An electrically heated smoking system comprising at least two units.

(54) Title: AN ELECTRICALLY HEATED SMOKING SYSTEM INCLUDING AT LEAST TWO UNITS.

(54) Title: AN ELECTRICALLY HEATED SMOKING SYSTEM COMPRISING AT LEAST TWO UNITS.

(57) Summary

An electrically heated smoking system is provided comprising a secondary unit with the ability to receive a smoking article having an aerosol forming substrate. The secondary unit comprises at least one heating element and an interface for connection to a primary power source. The secondary unit further comprises a secondary power source and secondary circuitry. The secondary circuitry arranged to control the power source from the secondary power source or at least one heating element in a preheating mode, during which the temperature of the substrate that forms the aerosol is increased to an operating temperature, to control the source of electrical power from the secondary power source to the at least one heating element in a smoking mode, during which, the temperature of the aerosol-forming substrate is kept substantially at operating temperature, and controlling the load of the secondary power source by the primary power source, in a charging mode, such that the secondary power source is sufficiently charged to increase the temperature of the aerosol-forming substrate to the operating temperature in the preheat mode and to maintain the temperature of the aerosol-forming substrate substantially at the operating temperature during the smoking mode. The electrically heated smoking system may include optionally additionally a primary unit comprising the primary power source and the primary circuitry. By dividing the power source between the primary unit and the secondary unit, the secondary unit can be made smaller and more convenient for the user.

(57) Abstract

There is provided an electrically heated smoking system comprising a secondary unit capable of receiving a smoking article having an aerosol-forming substrate. The secondary unit comprises at least one heating element and an interface for connection to a primary power supply. The secondary unit further comprises a secondary power supply and secondary circuitry. The secondary circuitry is arranged to control supply of electrical power from the secondary power supply to the at least one heating element in a pre-heating mode during which the temperature of the aerosol-forming substrate is increased to an operating temperature, to control supply of electrical pow er from the secondary power supply to the at least one heating element in a smoking mode, during which the temperature of the aerosol-forming substrate is maintained at substantially the operating temperature, and to control charging of the secondary power supply by the primary power supply, in a charging mode, so that the secondary power supply has sufficient charge to increase the temperature of the aerosol-forming substrate to the operating temperature in the pre-heating mode and to maintain the temperature of the aerosol-forming substrate at substantially the operating temperature during the smoking mode. The electrically heated smoking system may optionally inelude a primary unit comprising the primary power supply and primary circuitry. By dividing the power supply between the primary unit and the secondary unit, the secondary unit can be made smaller and more convenient for the user.

___SE___ »»®TOU M ECONOMÍA

<img file="MX345356B_D0001.tif" />

MEXICAN INSTITUTE de la Propiedad In dustrial

PATENT TITLE NO. 345356

Owner (s): PHILIP MORRIS PRODUCTS SA

Address: Quai Jeanrenaud 3, CH-2000, Neuchatel, SWITZERLAND

Designation: AN ELECTRICALLY HEATED SMOKING SYSTEM INCLUDING AT LEAST TWO UNITS.

Classification: lnt.CI.8: A24F13 / 02; A24F47 / 00; H02J7 / 00

Inventor (s): FELIX FERNANDO; MARC-ROBERT CHEMLA; FREDRIK STAHLE

REQUEST

Number: 'International filing date!

: MX / a / 2013/005635 November 18, 2011 i 'PRIORITYI * Country:; Date: Number::

^: EP 'November 19, 2010 10251966.7

Validity: Twenty years. -, expiration date: November 18, 2031 · »i» i * »&lt;s. i® »” íí * π *

The reference patent is granted with | undamenft i $ i hs' fraction V, 6^or Section III, and 59 of the Industrial Property Law.

Be in accordance with the artillery 23 of the Law of the Pn «Wtl tnrtuama *. This patent is valid for twenty years, non-extendable, effective as of the filing date of Mr. HcrluÍI Jrftérodcfyllal and will be subject to the payment of the fee to keep the (Breches. f '. '' · Í '' i &lt;Üwho subscribes to the present title Ace it with grounds ^! Ta gi $ guestc for es articles 6 fraction lll and 7 bis 2 of the Industrial Property Law (Official Gazette of the Federation (DOF) ίβΛιπιΜβι the O2 / M / 199) í. 10/25/1996, 12/26/1997, 05/07/1999,

W01 / 2004, 06/16/2005, 2101/2006, «/ 05 / 2009,06 / 01/2010, 06/18 / í # t6 / ^ B ^ MS $ ttf, 27Λ11ί2Ο12 and 04/09/2012); Articles 1, i fraction V itiso a), 4^or and 12 ° fraction I and lll Ll Regulations of the Mexican Institute of Industrial Property (DOF 12/14/1999, ^ formed on * ^ ΜΜΜΜΜΜνΜ07 / 2004 «Military * ^ Organic of the Mexican Institute of Industrial Property (DOF 12/27/1999, amended on 10/10/2002, 07/29/2004, 08/04/2004 and 13/0 9/2007); 1, 3 and 5 subsection a) of the Agreement that delegates powers to the Deputy General Directors, Coordinator, Divisional Directors, Heads of Regional Offices, Divisional Deputy Directors, Departmental Coordinators and other subordinates of the Mexican Institute of Industrial Property. (DOF 12/15/1999, amended on 02/04/2000, 07/29/2004, 08/04/2004 and 09/13/2007).

Issue Date: January 26, 2017

THE DIVISIONAL DIRECTOR OF PATENTS

<img file="MX345356B_D0002.tif" />

NAHANNY CANAL REYES

Arenal No 550, Floor 1.

Col. Pueblo Santa María Tepepan,

Xochimilco, CP, 16020, Mexico City

Tea!. (55) 53 34 07 00 www.impi qob.mx

MX / 2017/7914

A

ELECTRICALLY HEATED SMOKING SYSTEM

<img file="MX345356B_D0003.tif" />

INCLUDING AT LEAST TWO UNITS

Field of Invention

The present invention relates to an electrically heated smoking system that has a unit for receiving a smoking article, wherein the unit includes a secondary power source and the unit can be connected to a primary power source.

Background of the Invention

A number of prior art documents describe electrically operated smoking systems that have a number of advantages. One advantage is that these significantly reduce cigarette smoke, while allowing the smoker to selectively activate the smoking system during the smoking experience. The electrically operated smoking systems of the prior art include a housing for receiving a smoking article, heating elements for generating an aerosol, a power source 20, and the necessary circuitry. The circuitry can be activated manually or by inserting a cigarette into the housing, and can limit the operation of the heating elements. to a previously defined period of time.

However, some of the prior art electrically operated smoking systems have disadvantages. It could be advantageous if the devices could be made smaller and more convenient for the user, so that the size is closer to that of an end-lit cigarette and the device can be held between the fingers of a user in a shape similar to a cigarette butt lit. Accordingly, it is an object of the present invention to provide an improved electrically heated smoking system.

According to a first aspect of the present invention, there is provided an electrically heated smoking system comprising a secondary unit with the ability to receive a smoking article having an aerosol-forming substrate, the secondary unit comprising: at least a heating element; one in terphase for connection to a primary power source; a secondary power source for supplying electrical power to the at least one heating element; and a secondary circuitry arranged to control the power source from the secondary power source to the at least one heating element in a pre-heating mode, during which the temperature of the aerosol-forming substrate is increased to a operating time, to control the power source

MEXICAN INSTITUTE DE LA PROPIEDAD INDUSTRIAL electrical power from the secondary power source to at least one heating element in a smoking mode, during which the temperature of the substrate that forms the aerosol is kept substantially at operating temperature, and control charging the secondary power source by the primary power source, in a charging mode, so that the secondary power source or has sufficient charge to increase the temperature of the aerosol-forming substrate to the operating temperature in the preheat mode and to maintain the temperature of the aerosol-forming substrate substantially at the operating temperature during the smoking mode.

The secondary unit is designed to receive a smoking article and be maintained by a user during the smoking experience. The power source in the secondary unit heats the aerosol forming substrate to operating temperature before it begins to smoke. The power source in the secondary unit also maintains the temperature of the aerosol forming substrate during the smoking experience. The secondary unit connects to a primary power source. The primary power source is used to charge the secondary power source during a charging mode when the secondary unit is not in use. The primary power source can be part of a primary unit, which is separate from the secondary unit.

<img file="MX345356B_D0004.tif" />

By providing a secondary unit and secondary power source in the separate external primary power source (i.e. dividing the power source for the smoking system between a primary power source and a secondary power source in the unit secondary), the size of the secondary unit may be reduced. The secondary unit is preferably only slightly larger than the smoking article. The secondary unit is preferably of a similar size to or slightly larger than a butt-lit cigarette. Accordingly, the secondary unit can be held between the user's fingers in a manner similar to a lighting cigarette.

Preferably, the secondary circuitry is arranged to determine if the secondary power source has sufficient load to increase the temperature. of the aerosol-forming substrate at the operating temperature in the preheat mode and to maintain the temperature of the aerosol-forming substrate substantially at the operating temperature during the smoking mode, based on a calculation of an estimate of an electrical power required for both the pre-heating mode and the smoking mode.

The calculation may be based on one or more of: a pre-specified number of puffs to be taken by the user during smoking mode; electrical power revi o; and the required for the mode of cal ntamient specific consumer information that relates to the mode of smoking.

The calculation can be done using the secondary circuitry. The pre-specified number of puffs may be approximately equal to the typical number of puffs taken by a user who smokes a butt lit cigarette. Consumer-specific information can and include the collected and stored power consumption information, the power consumption information may be dependent on the actual consumer, eg, the strength and length of the consumer's puffs, in order to allow for the previously specified number of puffs. The power consumption information is preferably stored in the secondary unit. This can be advantageous because the secondary circuitry is arranged to control the power source during charging mode. The power consumption information can alternatively be stored in the primary unit. The power consumption information can be transferred to the primary unit from the secondary unit. The interface for connection to the primary power source allows the power to be supplied from the primary power source to the secondary unit during charging mode. The interface also allows the secondary circuitry to control the

<img file="MX345356B_D0005.tif" />

power function during charging mode. For those purposes, the connection can be a wired connection, such as a Universal Serial Bus (USB) connection or a coaxial cable. A USB connection is advantageous because a USB communication link provides bi-directional communication and also a power link (typically 5V).

The interface may alternatively or additionally facilitate other functionality and features for the smoking system. For that purpose, the connection can be a wired connection (such as a USB connection) or a wireless connection (such as a Bluetooth connection). Preferably, the interface facilitates two-way communication between the secondary unit and a smart device or host that has its own computing capacity and has the ability to act as the primary power source. This can allow data to be downloaded from the smart device or guest to the secondary unit and data is uploaded from the secondary unit to the smart device or guest.

Preferably, the connection operates under a standard interface. A standard interface is a standard that describes one or more functional characteristics, such as code conversion, line assignments, or protocol compliance, or physical characteristics, such as characteristics

INSTITUTO MBUO'.N. of. the n «) Msr» Af, INDUSTRIAL electrical, mechanical or optical necessary to allow I exchange of information between two or more systems or pieces of equipment. Examples of suitable interface standards for the communication link include, without limitation, The Recommended Standard 232 (RS-232) from the family of standards; USB; Bluetooth; FireWire (a trade name of Apple, Inc. for its IEEE 1394 interface), IrDA (Infrared Data Association - a communications standard for short-range exchange data via infrared network); Zigbee (a specification based on the IEEE 802.15.4 standard for wireless personal area networks) and other Wi-Fi standards.

Preferably, the secondary circuitry is programmable. The secondary circuitry can be programmed so that the secondary unit can be customized for an individual user's smoking behavior. For example, the secondary circuitry can be programmed to adjust the electrical power supplied to the at least one heating element during smoking mode based on the particular user using the secondary unit, the particular smoking article contained in the unit. secondary or both.

The primary power source can be located in an external smart device or host, such as a computer. The host can be a personal computer.

<img file="MX345356B_D0006.tif" />

The personal computer can be a computer desk. The personal computer can be a laptop or a notebook computer. The personal computer can be a tablet computer, such as a Personal Digital Assistant (PDA), a personal information device (PID), a portable media player (PMP, such as an Apple, Inc. Pod®), or a Portable Video Player (PVP). The host can be a mobile cell phone.

The primary power source can simply be an external power source, such as the commercial power source (also known as prime power, home power, home power, wall power, or grid power). That is, the interface on the secondary unit can be connected to a wall receptacle. The primary power source may be a power source in the vehicle, for example in an automobile. That is, the interface in the secondary unit can be connected to a charging receptacle in a vehicle.

In a preferred embodiment, the electrically heated smoking system further comprises a primary unit comprising the primary power source and the primary circuitry. In that mode, by providing a primary power source in the primary unit and a secondary power source in the secondary unit (that is, dividing the power source by the

<img file="MX345356B_D0007.tif" />

primary and secondary units), I secondary unit size can be reduced. Additionally, in some embodiments, all of the components required for the smoking experience can be contained in a single unit of a size and shape similar to a pack of end-lit cigarettes.

In the mode that includes a primary unit, calculating an estimate of the electrical power required for both the preheat mode and the smoking mode can be done by the primary circuitry. In the modality which includes a primary unit, the interface on the secondary unit may be for connection to the primary unit only, or to the primary unit and another external unit.

In the mode including a primary unit, the source of electrical power from the secondary power source to the at least one heating element, during the pre-heating mode, may be partially controlled by the primary circuitry in the primary unit further of the secondary circuitry in the secondary unit.

In one embodiment, the primary unit comprises an interface for connection to an external power source to supply the electrical power to the primary power source. The input into the primary unit may allow the power to be supplied from an external pVfSYitia source to the primary power source to last (JTT preheating, during charging mode, during smoking mode). r, when the smoking system is not in use or at any combination of those times. For that purpose, the connection can be a wired connection, such as a USB connection or a coaxial cable. The external power source can simply be a power source, such as a commercial power source.

Preferably, the primary circuitry is programmable. If the primary power source can be recharged by an external power source, preferably, the primary circuitry controls the load on the primary power source. If the primary unit includes an interface for connection to an external host, preferably, the circuitry controls communications between the primary unit and the external host.

In one embodiment, which includes a primary unit, the electrically heated smoking system comprises one, and only one secondary unit. Said modality is advantageous and is a designed for a single user. In a preferred embodiment, the primary unit comprises storage means for the single secondary unit to form a single compact unit. Preferably, the single compact unit can be easily transported by the

<img file="MX345356B_D0008.tif" />

user.

In an alternative embodiment, which includes a primary unit, the electrically heated smoking system comprises two, and only two secondary units. Said modality is advantageous and is designed to be shared by two users. In a preferred embodiment, the primary unit comprises storage means for the two secondary units to form a single compact unit. In a preferred embodiment, the primary unit comprises a first module for receiving a first secondary unit and a second module for receiving a second secondary unit. Each module can include some or all of the functionality of the primary unit.

In a In an alternative embodiment, which includes a primary unit, the electrically heated smoking system comprises more than two secondary units. Said modality is advantageous and is designed to be shared by a plurality of users. In one embodiment, the primary unit comprises storage means for the plurality of secondary units. In another embodiment, the primary unit includes a plurality of docking ports to receive respective secondary units for connection during charging mode and optionally during preheating mode.

When I smoke electrically heated system

<img file="MX345356B_D0009.tif" />

IMPI

INSTITUTE MaiONO DE LA "OPIIDAO industwal comprises two or more secondary units, -k" a primary Mad may include a plurality of modules that can be connected, each module including a docking port for a respective secondary unit. This allows two or more users to form a single primary unit comprising a nest or chain of modules.

Preferably, the primary unit includes storage means for one or more secondary units. This is advantageous because the primary unit and the secondary unit, when not in use, can form a single compact system, which can be easily transported. The single compact system can be of a size and shape similar to a pack of end-lit cigarettes. In one embodiment, each secondary unit is attached so that it can be removed to one side of the primary unit. In another embodiment, each secondary unit can be received in a respective docking cavity in the primary unit. The secondary units can be stored in the storage means when a smoking article is contained in the secondary unit. Alternatively, the secondary units can be stored in the storage media when an item d e smoking is not contained in the secondary unit. The storage means may also provide means to connect the primary unit and the secondary unit to load the source of

<img file="MX345356B_D0010.tif" />

secondary power.

Preferably, the primary unit includes the storage means for at least one smoking article. The storage means may include storage for used smoking articles, unused smoking articles, or both. This is advantageous because the primary unit and the secondary unit together provide all the components required for the smoking mode. In an embodiment in which the one or more secondary units can be stored in the storage medium and in which the primary unit includes storage for at least one smoking article, all of the components required for the smoking experience can be contained. in a single compact system. Unique compact system can be similar in size and shape to a pack of end-lit cigarettes. Additionally, or alternatively, the secondary unit may have the ability to store a smoking article when not in use. For the avoidance of doubt, the term "storage media" is used herein to denote the storage of one or more secondary units, the storage of one or more smoking articles, or the storage of both secondary units and smoking articles.

In a preferred embodiment, the primary unit comprises a base portion and a cover portion. ¹⁴ IMPI ^

MEXICAN INSTITUTE

OF THE AVERAGE OR

INDUSTRIAL connected to the base portion, the lid portion covering a part or all of the base portion when closed. The cap portion can be connected to the base portion by any suitable connection. For example, the cap portion can be connected to the base portion by a hinge. Alternatively, the cap portion may be a sliding cap. For example, the primary unit may comprise a cover portion and a sliding portion arranged to slide relative to the cover portion. Alternatively, the lid portion may have a friction fit with the base portion. Alternatively, the cap portion may have a screw fit with the base portion.

In that embodiment, preferably the base portion of the primary unit comprises a storage space for a plurality of smoking articles and a storage space for at least one secondary unit. In that case, the cover portion can be closed on the base portion when the secondary unit is stored in the base portion. Still more preferably, the lid portion can be closed onto the base portion when the secondary unit is stored in the po base portion and smoking article is contained in the secondary unit. In a preferred embodiment, when the secondary smoking articles and unit are stored in the base portion and the

IMPI®

MEXICAN INSTITUTE Cj · ™

OTHE INDUSTRIAL PROPERTY portion of the lid is closed, the smoking system is similar in size and shape to those of a packet of end-lit cigarettes.

The primary unit may include a display (eg, a digital display) that indicates information to the user. For example, the display may indicate the use of the smoking article, the use of potency, or other information. The display may further indicate when the secondary power source has sufficient charge during charging mode.

The source of electrical power from the secondary power source to the at least one heating element, during smoking mode, is control Adopted by I secondary circuitry. During smoking mode, I secondary circuitry can monitor the elapsed time of smoking mode. The secondary unit may include a display (eg, a digital display) that indicates information to the user. For example, the display can indicate the elapsed time, the number of puffs taken, the number of puffs still remaining, or other information. The secondary circuitry is preferably arranged to provide an output signal when the elapsed time equals a predetermined period of time. Alternatively or additionally, the secondary circuitry may monitor the time

IMPI ^

MEXICAN INSTITUTE

Dt the INDUSTRIAL Ouw average elapsed ntr smoked during I smoking mode and provide an output signal when the elapsed time equals a previously determined period of time. or, which is shorter than the predetermined period of time for the smoking mode. Additionally, during smoking mode, the secondary circuitry can monitor the number of puffs taken by a user. The secondary circuitry is preferably arranged to provide an output signal when the number of puffs taken equals a previously determined number of puffs. Therefore, there are three possible modes of operation. In a first mode, the smoking mode has a predetermined maximum period of time. In a second mode, the smoking mode has a predetermined maximum number of puffs. In a third mode, the smoking mode has a predetermined maximum period of time between puffs.

As already mentioned, the secondary unit preferably has a diameter that is only slightly larger than the diameter of the smoking article. Additionally, the length of the uni Secondary age can be similar to the length of a cigarette that is end lit (for example, a cigarette that has a length between about 30mm and about 150mm and more preferably between about 70mm and about 128mm), or the secondary unit can be longer or shorter. In one embodiment, the smoking article used has a diameter and length that is less than that of a standard end-lit cigarette (eg, a cigarette with a diameter of about 7.9mm and a length of about 85mm). , which allows the secondary unit to be of a size similar to a cigarette that is lit at the end. This allows a user to hold the secondary unit between the user's fingers in a manner similar to a cigarette being lit.

Preferably, the secondary unit is insulated. This reduces heat loss from the secondary unit and allows the su The stratum formed by the aerosol is maintained substantially at operating temperature for the desired period of time. The secondary unit may comprise a base portion capable of receiving the smoking article and a lid portion for enclosing the smoking article or closing the base portion.

The aerosol-forming substrate preferably comprises a tobacco-containing material, a material containing volatile tobacco flavor compounds, which are released from the substrate upon heating. Alternatively, the aerosol forming substrate may comprise a non-tobacco material.

Pref rent mind, the substrate that forms the aerosol

<img file="MX345356B_D0011.tif" />

it further comprises a rosol former. Examples of suitable aerosol formers are glycerin and propylene. The substrate that forms the aerosol can be a solid substrate. The solid substrate can comprise, for example, one or more of: powder, granules, tablets, scratches, noodles, bands or sheets containing one or more of: herb leaves, tobacco leaves, tobacco rib fragments, reconstituted tobacco, homogenized tobacco, extruded tobacco and expanded tobacco. Optionally, the solid substrate may contain tobacco or non-tobacco volatile tobacco flavored compounds to be released upon heating of the substrate. Optionally, the solid substrate can be provided in or embedded in a thermally stable carrier. The carrier can be in the form of powder, granules, tablets, scratches, noodles, bands or sheets. Alternatively, the carrier can be a tubular carrier having a thin layer of the solid substrate deposited on its inner surface, or on its outer surface, or on both of the inner and outer surfaces. Said tubular carrier can be formed of, for example, a paper, or paper-like material, a non-woven carbon fiber mat, a metal filter low mass open mesh, or a perforated metal foil or any other thermally stable polymeric matrix. The solid substrate can be deposited on the surface of the carrier in the form of, for example,

<img file="MX345356B_D0012.tif" />

a sheet, foam, gel or paste. The βδίΑΪΦΠΠΠΠΓδ 'S6F substrate deposited on the entire surface of the carrier, or alternatively, may be deposited in a pattern in order to provide non-uniform flavor delivery during use. Alternatively, the carrier can be a nonwoven fabric or a bundle of fibers into which the tobacco components have been incorporated. The nonwoven fabric or fiber bundle may comprise, for example, carbon fibers, natural cellulose fibers, or fibers derived from cellulose.

The aerosol-forming substrate may be a liquid substrate or the smoking article may comprise means for retaining the liquid substrate. The substrate forming the aerosol may alternatively be of any other kind of substrate, for example, a gas substrate, or any combinations of the various types of substrates.

In accordance with another aspect of the present invention, s provides a primary unit for the electrically heated smoking system of the first aspect of the present invention, the primary unit comprising a primary power source and a primary circuitry.

In accordance with another aspect of the present invention, there is provided a method for the operation of an electrically heated smoking system comprising a secondary unit with the ability to receive a smoking article having an aerosol forming substrate, η ^σ ^ It would be secondary comprising at least a heating element, an interface for connection to a primary power source, a secondary power source, and the secondary circuitry, The method comprises the steps of: during a warm-up mode or prior, connecting the at least one heating element to the secondary power source, so that the secondary power source supplies electrical power to the at least one heating element to increase the temperature of the substrate that forms the aerosol to a operating temperature; During a smoking mode, connecting the at least one heating element to the secondary power source so that the secondary power source supplies the electrical power to the at least one heating element to maintain the substrate temperature that forms the aerosol substantially at operating temperature; and during a charging mode, charging the secondary power source by the primary power source so that the secondary power source has sufficient charge to increase the temperature of the aerosol-forming substrate to the operating temperature in the charging mode. heating pr saw and to maintain the temperature of the aerosol forming substrate, substantially at operating temperature during smoking mode. The method can compress

<img file="MX345356B_D0013.tif" />

<img file="MX345356B_D0014.tif" />

MEXICAN INSTITUTE DE LA PROfTEDAL 'INDUSTRIAL additionally the step of, during the charging mode, determining if the secondary power source has sufficient charge to increase the temperature of the substrate that forms the aerosol to the operating temperature in the preheating mode and to maintain the temperature of the aerosol-forming substrate substantially at operating temperature during smoking mode, based on calculating an estimate of electrical power required for both the pre-heating mode and the smoking mode.

The calculation may be based on one or more of: a pre-specified number of puffs to be taken by the user during smoking mode; the electrical power required for the preheating mode; and the specific information of the cons A consumer that is related to the way of smoking. The calculation can be done using the secondary circuitry.

The method may further comprise the step of, during the charging mode, signaling when the secondary power source has sufficient charge to increase the temperature of the aerosol forming substrate to the operating temperature in the preheat mode and to maintain the temperature of the aerosol forming substrate substantially at operating temperature during smoking mode.

The characteristics described in relation to an asp ct

<img file="MX345356B_D0015.tif" />

i mWiw &lt;Mf. x iCa nc £ et iA "omoA" i iNSumiAi of the present invention may also be applied to another aspect of the present invention.

The present invention will be further described, by way of example only, with reference to the accompanying drawings, in which:

Figures 1a, 1b, 1c and 1d show four versions d a first embodiment of the present invention:

Figures 2a and 2b show two alternative views of a second embodiment of the present invention;

Figures 3a and 3b show two versions of a third embodiment of the present invention;

Figures 4a, 4b and 4c show two embodiments of the smoking system of the present invention compared to an end lit cigarette pack;

Figure 5 shows a graph of power versus time during the operation of the smoking system according to a preferred embodiment; Y

Figure 6 shows a flow chart illustrating one embodiment of the method of the present invention.

In general, the present invention does not require the primary unit, in which case, the secondary unit may be a separate unit that can be connected to an existing external power source. However, as discussed above, in a modality, the erctricam nt heated smoking system of the present invention comprises

IMPI

MEXICAN INSTITUTE M LA RROMEDAD INDUSTRIAL one primary unit and one or more secondary units with the ability to receive a smoking item. The primary unit includes a primary power source and electronic circuitry. The secondary unit includes a secondary power source, electronic circuitry, and at least one heating element.

The primary power source in the primary unit is used to charge the secondary power source in the secondary unit in charging mode. The secondary power source in the secondary unit is used to raise the temperature of the aerosol-forming substrate to an operating temperature, in the preheat mode, and to maintain the substrate temperature during the smoking experience, in the mode. of smoking. Operating temperature The ion required will depend on the particular aerosol formation substrate in the smoking article. The operating temperature is controlled by the secondary power source, the number and type of heating elements, and the structure of the secondary unit. By dividing the power source between the primary unit and the secondary unit, the size of the secondary unit can be reduced, so that it is only slightly larger than the smoking article. Additionally, in some embodiments, all of the components required for the smoking experience may be contained in a single unit of a size and shape similar to a packet of

<img file="MX345356B_D0016.tif" />

end-lit cigarettes. The various modalities and features described in relation to any modality will now be described as they can be applied to any of the other modalities.

Figures 1a, 1b, 1c and 1d, each show a version of a first modal nity of the present invention. In Figures 1a and 1b, the primary unit is in the form of a flip-top box of a similar size and shape to a standard pack of end-lit cigarettes. Other packet configurations are discussed below with reference to Figure 4a. Although not expressly shown, the primary drive may be another suitable size.

In Figure 1a, the smoking system 101 comprises the primary unit 103 and the secondary unit in the form of a holder 105. The primary unit 103 is in the form of a rotatable lid pack, with a base portion 103a and a portion of lid 103b, separated by a hinge 103c. The lid portion 103b is shown open in Figure 1a. The hinge 103c runs along a long edge of the upper side of the base portion 103a. The fastener 105 can be stored in the base portion 103a of the primary unit 103 (as shown in FIG. a 1a) by inserting into a docking port. In figure 1a, the docking port for I fastener 105 is provided on one side

<img file="MX345356B_D0017.tif" />

of the base portion 103a, although I docking port could equally be provided on the opposite side of the base portion 103a or in the center of the base portion 103a. In the embodiment of FIG. 1a, when the fastener 05 is stored in the primary unit 103, the upper part of the fastener 105 projects onto the upper side of the base portion 103a. The lid portion 103b, however, has the ability to close onto the base portion 103a when the fastener 105 is stored in the primary unit 103, including when the smoking article is contained in the fastener 105. Alternatively, the upper fastener unit 105 may be virtually flush with the upper side of the base portion 103a. Primary unit 103 also has storage for items for fum ar 107, in this case, to one side of the fastener's docking port. An additional smoking article can, of course, be stored in the holder 105. Although not expressly shown, the docking port for the fastener 105 may be located on either side of the base portion 103a and the storage for smoking articles 107 may be located on the side opposite the fastener 105. If the docking port for the fastener 105 is located towards the center of the base portion 103a, the storage for the smoking articles 107 may be located on one or both sides of the docking port.

Additionally, in the portion of bas

<img file="MX345356B_D0018.tif" />

Primary 103 of FIG. 1a, there is an interface 109 to receive a USB connector (not shown). The USB connection can be used to charge the power source in the primary unit, to verify functionality or for other purposes where power is required. connection to a computer. Said USB interface, or indeed any other suitable interface, can be included in any of the described modalities. Additionally or alternatively, a USB interface, or any other suitable interface, may be included in the holder, although this is not shown in Figure 1a. The USB connection will be detailed further later.

In Figure 1b, the smoking system 101 'comprises the primary unit 103' and the secondary unit in the form of a fastener 105 '. As in the case of Figure 1a, the primary unit 103 'is in the form of a rotatable lid box, with a base portion 103a' and a lid portion 103b.¹, separated by a hinge 103c '. However, in Fig. 1b, the hinge runs along a short edge of the upper side of the base portion 103a '. The lid portion 103b ', s shown open in Figure 1b. Fastener 105 can be stored in the portion of base 103a of primary unit 103 (as shown in Figure 1b) by inserting it into a docking port. In Figure 1b, the port of

MEXICAN INSTITUTE DE LA MONEDAD INDUSTRIAL berthing for fastener 105 's provided towards the front of the base portion 103a', that is, further from hinge 103c ', although the docking port could also be provided towards the rear end of the base station 103a ', that is, closer to the hinge 103c', or in the center of the base portion 103a '. In the embodiment of FIG. 1b, when the fastener 105 'is stored in the primary unit 103', the top of the fastener 105 'can be virtually flush with the upper side of the base portion 103a'. The lid portion 103b 'has the ability to close over the base portion 103a', which includes when a smoking article is contained in the fastener 105 '. Alternatively, the upper part of the bra 105 may projecting onto the upper side of the base portion 103a '. The primary unit 103 'also has storage for the smoking articles 107, in this case towards the rear of the base portion 103a', ie closer to the hinge 103c '. An additional smoking article can, of course, be stored in the bra. If the docking port 105 'is located towards the rear portion of the base portion 103a', the storage for the smoking articles 107 'may be located at the opposite end of the fastener 105', that is, towards the front of the base portion 103a '. If the docking port for the fastener 105 'is located toward the center of the base portion 103a', the storage for the

IMPI ^

MEXICAN INSTITUTE

OF tA PROPERTY C * n INDUSTRIAL smoking articles 107 'can be located at one or both .n> n r- · τ-ηιmu · -iit Mirwm ends of the base portion 103a'.

In the Figure 1c, the smoking system 101 comprises the primary unit 103 and the secondary unit in the form of a fastener 105. The fastener 105 can be stored in the primary unit 103 (as shown in Figure 1c) by inserting into a docking port. The primary unit 103 comprises a base portion 103a and a cover portion 103b, separated by a hinge 103c. As in the case of Figure 1b, the hinge runs along a short edge of the upper side of the base portion 103a, although the hinge could run along a long edge of the upper side of the base portion 103a . However, in Figure 1c, the cover portion 103b, when closed, does not cover the entire upper side of the base portion 103a. The lid portion 103b, when closed, only covers the portion of the base unit which contains the docking port for the fastener 105. The lid portion 103b is shown open in FIG. 1c. In the modali In FIG. 1c, when the fastener 105 is stored in the primary unit 103, the top of the fastener 105 can be virtually flush with the upper side of the base portion 103a. Alternatively, the upper part of the fastener 105 may project onto the upper side of the base portion 103a. The portion d cap 103b pu have the capacity

IMPI

MEXICAN INSTITUTE

<img file="MX345356B_D0019.tif" />

THE INDUSTRIAL FACILITY of closing on the base portion 103a, when the fastener is stored in the docking port or when the fastener is stored in the docking port and a smoking article (not shown in Figure 1c) is contained in the docking port. fastener 105. Primary unit 103 may also have storage for smoking articles, although this is not shown in FIG. 1c.

In Figure 1d, the smoking system 10Γ comprises the primary unit 103 'and the secondary unit in the form of a fastener 105 '. The fastener 105 'can be stored in the primary unit 103' (as shown in Figure 1d) by inserting it into a docking port. In Figure 1d, the docking port for the fastener 105 'is provided on one side of the base portion 103a', although I docking port could equally be provided on the opposite side of the base portion 103a 'or on the center of the base portion 103a '. The primary unit 103 'and the fastener 105' together form a single compact unit. In the embodiment of Fig. 1d, when the fastener 105 's stored in the primary unit 103', the upper part of the fastener 105 'projects onto the upper side of the base portion 103a'. Alternatively, the upper fastener unit 105 may be virtually flush with the upper side of the primary unit 103a '. In the embodiment of Figure 1d, the primary unit 103 'has no space d³⁰ IMPIOUS

MEXICAN INSTITUTE

OF THE Ota PROPERTY »

INDUSTRIAL no storage for smoking articles, although a single smoking article may be stored in the holder 105 '. However, additional storage could be provided for the smoking articles. Additionally, as in the case of Figure 1a, an interface 109 'is provided on the primary unit 103' to receive a USB connector (not shown).

In the embodiments shown in Figures 1a, 1b, 1c and 1d, the smoking system comprises a primary unit and a separate holder. The smoking system is designed for a single user. The fastener can be stored in the primary unit. A smoking article can be received in the holder when the holder is stored in the primary unit or when the holder is separated from the primary unit. Additionally, the primary unit can provide storage for smoking articles. Storage for items p For smoking it can be sized to store between 1 and 20 smoking articles in any suitable configuration. The bra and primary unit together form a compact smoking system that can easily be carried by a user. The various features of Figures 1a, 1b, 1c and 1d are interchangeable.

Figures 2a and 2b show two alternative views of a second embodiment of the present smoking system

INDUSTRIAL!

invention. In Figures 2a and 2b, the smoking system 201 comprises the primary unit 203 comprising the main part 203a and a detachable docking port 203b, and two secondary units in the form of fasteners 205a and 205b. Each fastener 205a, 205b can be received in the primary unit 203. In the embodiment of Figures 2a and 2b, the first fastener 205a can be received in a docking port, which is integral with the main part 203a of the primary unit. Maria 203. The second fastener 205b can be received in the docking port 203b, which is separated from the main part 203a of the primary unit 203, although it can be attached to one side of the main part 203a by means of the interphase 209. Alternative connections between the docking port 203b and the main part 203a of the primary unit 203 are, of course, possible. The docking port in the main part 203a includes a hole 211a, which is designed to cooperate with the projection 213a on the fastener 205a, to secure the fastener 205a in the docking port 203. Similarly, the fastener 205b includes a projection 213b for cooperation with a hole 211b in the docking port 203b, which is spaced from the main part 203a of the primary unit 203. Additionally, a mechanism may be provided to secure a smoking item in the bra.

MEXICAN INSTITUTE

OF INDUSTRIAL PROPERTY

In Figure 2a, the fasteners 205a and 205b are shown received in their respective docking ports, and the docking port 203b is shown separated from the main portion 203a of the primary unit 203. In Figure 2b, the fasteners 205a and 205b shown separately from their respective docking ports and during use with a smoking article 207.

In the embodiment shown in Figures 2a, and 2b, the smoking system comprises a primary unit and two separate fasteners. The smoking system is designed to be shared by two users. Alternatively, the smoking system can be used by a single user, in which case one of the bras acts as a backrest. The fastener 205a can be stored directly in the main part 203a of the primary unit. The fastener 205b can be stored in the docking port 203b, which can be attached to the part main 203a of the primary unit 203. The fasteners and the primary unit together form a compact smoking system. An article smoking can be received in each fastener when that fastener is attached within the primary unit or when the fastener is separated from the primary unit. Additionally, the primary unit can provide storage for smoking articles, although this is not shown in Figures 2a or 2b.

Figures 3a and 3b each show a

<img file="MX345356B_D0020.tif" />

version of a third embodiment of the present invention. In figure 3a, the smoking system 301 comprises the primary unit 303 and a plurality of secondary units in the form of bras 305. In figure 3a, the three bras 305, 305, and 305iii are shown connected to the unit. primary 303 and a fastener 305iv shown separate from primary 303. In Figure 3a, the primary unit 303 provides the docking ports or for four 305 fasteners, although any number of docking ports could be provided. For example, as many as 40 or 50 docking ports can be provided. In other embodiments, between 2 and 10 fasteners can be docked in primary unit 303 for loading. Primary unit 303 provides a first storage 311, which can be used to store either smoking articles (used and unused) or bras, or both smoking articles and bras. The primary unit 303 also provides a second storage 313, which can also be used to store either smoking items or bras, or as many smoking items as there are bras.

In Figure 3a, the fasteners 305i and 305ii are shown docked in the primary unit 303. Each of these is in use with a smoking article 307 and the power source in the primary unit is being used to recharge the f uent of power in I clamp (load mode). The

<img file="MX345356B_D0021.tif" />

IMPI ^

INSTITUTO MEXICANA DE LA PROPERTY INDUSTRIAL brassiere 305ii¡, also shown docked at primary unit 303, albeit without a smoking item. The power source in clamp 305i, is being recharged from the power source in primary unit 303 (charging mode). Fastener 305iv, shown separated from primary unit 303 and in use with a smoking article 307. The power source in the holder 305iv is being used to preheat the substrate of the smoking article (during the preheat mode) or maintain the operating temperature of the substrate of the smoking article (during the smoking mode).

In Figure 3a, the primary unit 303 is connected to an external power source (not shown) via connection 315. The external power source can be used to recharge the power source. Power in the primary unit, to supply power to the fasteners to load the fasteners, or any combination of these.

In Figure 3a, each docking port on the primary unit 303 includes its own interface 309. This may include a display and a switch to initiate the preheat mode when the smoking item is received in the fastener docked at the docking port. docking.

In Figure 3b, the smoking system 301 comprises a modular primary unit 303 'and a plurality of secondary units in the form of fasteners 305'. In Figure 3b, it is "JE. Z.

• Mexican INSTITUTE OF INDUSTRIAL PROPERTY shows various configurations.

In the first configuration, A, the pTTmaTTanSUB '' unit comprises a single module 304. The module 304 provides a docking port for a single fastener 305 '. In the first configuration, A, the clip 305 'is shown separated from the module. lo 304 from primary unit 303 'and in use with a smoking article 307. The power source in the holder 305 'is being used to preheat the substrate of the smoking article during the preheat mode to maintain the operating temperature of the substrate of the smoking article during the smoking mode. Module 304 includes its own interface 309 'for its docking port and may also include storage (not shown). Primary unit 303 is connected to an external power source (not shown) via connection 315 '.

In the second configuration, B, the primary unit 303 'comprises four modules 304. Of course, any number of modules can be provided. Again, each module 304 provides a docking port for a single fastener 305 '. In the second configuration, the four modules are shown connected to each other in a nest formation. In nest formation, each modus It can be connected to 1, 2, 3, 4, 5 or 6 different modules. The connection between the modules 304 can be a magnetic connection or any other suitable connection. In the second configuration, B, three fasteners

305 'with 307 smoking items shown docked in respective modules

304 and the primary unit 303 'is being used to recharge the power source in each clip. As in the case of configuration

A, each module 304 includes its own interface 309 'for its docking port and may also include storage (not shown). The primary unit

303 is connected to shown) by means of only one source is required from connection 315 '.

a power connection

External power must be required (not to note that only one for the primary unit 303 ', which provides power to all modules 304.

In the third configuration, It comprises four modules 304.

any

Again, each module 304 docking for a fastener configuration, the four modules to the other chain,

C, the

From primary unit 303 'then again number provides

Unique 305 '.

are shown from a

In modules.

port of the third connected one in a chain formation. In the formation of each module it can only be connected to 1 different modules. The connection between the modules 304 can be a magnetic connection or any other suitable type of connection. In the third configuration, C, three with the smoking articles 307 are shown fasteners 305 'docked in the respective modules 304 and the primary unit

303 'is still used to recharge the power source in each clamp. As in the case of configurations A and B, each module 304 includes its own interface 309 'for your docking port and may also include storage (not shown). Primary unit 303 is connected to an external power source (not shown) via connection 315 '. It should be noted that only a single power connection is required for primary unit 303 ', which provides power to all modules 304.

In the embodiment of Figure 3b, each user can have their own clip 305 'and module 304. As users join the group, new modules are added to the configuration. As users leave the group, modules are removed from the configuration.

In the embodiments shown in Figures 3a, and 3b, the smoking system comprises at least one primary unit and a plurality of fasteners. The smoking system is designed to be used to be shared by many users. Unlike the modalities of Figures 1 and 2, the system shown in the Figure 3a may not necessarily be transportable, and may be permanently placed in a location that can be accessible to a plurality of users.

Each of the embodiments shown in Figures 1 to 3 includes at least one primary unit and one or more

IMPI

MEXICAN INSTITUTE OF INDUSTRIAL HUMIDITY

<img file="MX345356B_D0022.tif" />

secondary units. However, a primary unit need not be included in the smoking system. In that case, the clip can be connected directly to an external power source, such as a main source, or a host computer. This can be done through a wired connection, such as a USB connection. Connection to a charging port on the vehicle is also possible. In that case, the fastener will include the electronic circuitry necessary to control charging in charging mode, and heating of the substrate of the smoking article in heating mode. previous nto. The various characteristics common to all of the illustrated modes will now be described.

The power source in the primary unit can be any suitable power source. The primary power source can be charged by an external source. For example, the power source for the primary unit may be a battery, such as a lithium ion, lithium steel phosphate, lithium manganese, nickel cadmium, or nickel metal hydride battery. The external source can be an external computer that can be connected to the primary unit by means of a connection, for example a USB connection (Universal Serial Data Bus). The external source can be a main electricity source that can be connected to the primary unit via a connector and receptacle. The power capacity of the power source

<img file="MX345356B_D0023.tif" />

of the primary unit is primarily d 3 to 6 watts. The ——— wei «-« i wlc * iRj— requ Determinations that limit the minimum size of the primary unit power source are power and charging time.

The electronic circuitry in the primary unit may include a microcontroller, a microprocessor, a digital signal processor (DSP =, an application-specific integrated circuit (ASIC), or any other analog or digital circuitry that can be programmed. Electronic circuitry in the primary unit has a number of functions including: charging the primary unit's power source from an external source. The electronic circuitry may also be arranged to communicate with a guest via a wired connection, for example USB, or via a wireless connection, for example Bluetooth to provide bi-directional data transfer between the guest and the hosts. primary and secondary units. Communication between secondary unit and primary unit can be made easy. Illegal when the secondary unit is in a docking port on the primary unit or when the secondary unit is stored on storage media in the primary unit.

As already mentioned, the primary unit can include an interface for external connection. Preferably, the interface operates under a standard interface. The connection can be a wired connection, such as a USB link or a⁴⁰ IMPI ^

MEXICAN INSTITUTE

OS IM FüUPIETY? J-wM

INDUSTRY!. '' •• ΣΪΕ-ί wireless connection, such as Bluetooth. The wired connection may include a retractable cord. This can be used to charge the primary power source. The connection can be used alternatively or additionally for extra functionality. For example, when the primary unit is connected to an external computer, the operation of the system can be verified and the user can be advised of the need for maintenance. For example, when the power source of the primary or secondary unit needs to be replaced. Additionally, connection to a computer can allow the user to order more smoking items, download updates for any software, set personal consumption goals for individual users, and share information. Additional extended capabilities may be provided, not limited to those listed above. One or both of the primary and secondary units may include a digital display.

The power source in the secondary unit provides sufficient power to the heating elements to increase the temperature of the aerosol-forming substrate to an operating temperature and to maintain the aerosol-forming substrate of the smoking article at operating temperature, for a predetermined period of time or a previously determined number

IM PI

INSTITUTE M £ X1C * NU IX '.A TRONtRAD ÍNWI / SVKAL determined from puffs taken during smoking mode. The power source in the secondary unit can be a battery, a supercapacitor, a fuel cell or any other suitable power source, which can provide sufficient power to maintain the substrate at the working temperature for the previously determined period of time. or during the previously determined number of puffs. In one embodiment, the secondary unit power source comprises a plurality of lithium steel phosphate cells. In another embodiment, the secondary unit power source comprises a lithium polymer battery. The predetermined period of time can be between 5 and 20 minutes. The previously determined number of smokes can be between 5 and 20 smokes. The power capacity of the secondary unit power source is preferably 1 to 3 watts. The requirements that limit the minimum size of the secondary unit power source are the power provided by smoking experience, charge time, and life cycle (ie, how often the power source will need to be replaced).

As already mentioned, the secondary unit can include an interface for connection directly to an external power source. Preferably, the interface operates under a standard interface. The connection can be a connection⁴² IΜ ΡIΟ

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wired, such as a USB link or a wireless connection such as Bluetooth. The wired connection may include a retractable cord. This can be used to charge the secondary power source. The connection can be used alternatively or additionally for extra functionality. Preferably, the connection allows two-way data flow onal. For example, when the secondary unit is connected to an external computer, the operation of the system can be verified and the user can be advised of the need for maintenance, for example, when the power source of the secondary unit needs to be replaced or the secondary unit needs to be cleaned. Additional extended capacities may be provided, not limited to those listed above.

The electronic circuitry in the secondary unit may include a microcontroller, a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIO), or any other analog or digital circuitry that can be programmed. The electronic circuitry of the secondary unit works in conjunction with the electronic circuitry of the primary unit. The preheat mode can be started when an item is detected in the secondary unit. to. This can be detected by the secondary circuitry or the primary circuitry if the

MEXICAN INSTITUTE DE LA INDUSTRIAL secondary unit is connected to the primary unit. Alternatively, a user can manually initiate preheating, for example by activating a switch on the secondary unit. During smoking mode, the user can begin the smoking experience and continue the smoking experience, puff after puff. The electronic circuitry in the secondary unit controls the heating elements to keep the substrate at operating temperature, or as close to operating temperature as possible. Electronic circuitry in the secondary unit may be arranged to keep track of the number of puffs taken by the user, the amount of time between puffs, and the amount of time the heating elements have been energized. When the number of puffs reaches the maximum number for the smoking article (so that the smoking article is emptied), the user has not taken a smoke within the predetermined time, or the preset period of time has expired, but they remain puffs remaining, a signal from the electronic circuitry notifies the user to return the secondary unit to the primary unit. Then, if suitable, the power source in the secondary unit can be recharged and the substrate returned to operating temperature. In this way, the user has the ability to stop and begin the smoking experience, and

<img file="MX345356B_D0024.tif" />

restart the smoking experience until the smoking item has been emptied.

Additionally, the electronic circuitry can identify the smoking item in the secondary unit, adjust the heating profile based on the type of smoking item, and determine when the bra needs to be worn. Maintenance is required, for example when the heating elements need to be cleaned. The electronic circuitry in the secondary unit also allows the secondary unit to be customized for an individual's smoking behavior. For example, the duration of the smoking experience, the time of each smoke, the time between puffs, and the intensity of each smoke can be recorded, the individual's consumption patterns can be tracked, and the individual's preferred smoking item can be monitored. This can work in conjunction with a lock on the secondary unit, which allows only a private user to use the secondary unit.

In order for the electronic circuitry in the secondary unit to count the number of puffs taken, the electronic circuitry may include a smoke sensor to detect air flow indicative of a puff. The sensor can be of any suitable type sensor, for example, a thermistor, an optical device, an optomechanical device, a electro-mechanical device, or a ^w IMPIAS

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DE LA ΡΗΟΡΙΪΓΛΟ 'CXa-jYES tNtXJST »iAl micro el ctro m canic systems (MEMS).

The shape and size of the secondary unit, to some extent, will depend on the size and shape of the secondary unit's power source. In principle, however, the secondary unit can have any suitable shape. Typically, the secondary unit is an elongated cylindrical unit that is only slightly larger in size than the smoking article. The cross-sectional shape of the secondary unit can be round, rectangular or oval. The secondary unit may include a lid to cover the smoking article when it is received in the secondary unit, for protection of the smoking article or to limit odor. The secondary unit can include a cap to cover the open end of the secondary unit. Typically, when the smoking article is received in the secondary unit, approximately half the length of the smoking article projects from the secondary unit. In other embodiments, less than half the length of the smoking article projects from the secondary unit.

The heating element or elements in the secondary unit can be internal or external heating elements and are shaped to more effectively heat the substrate that forms the aerosol. There may be a single heating element, or multiple heating elements. The heating elements can be

<img file="MX345356B_D0025.tif" />

made from an electrically resistant material including, without limitation, metal, metallic alloy, a ceramic, or a semiconductor material. The most suitable shape for the heating element or elements will depend on the substrate q which forms the particular aerosol in the smoking article. The substrate that forms the aerosol is preferably a solid substrate although it may alternatively be a liquid or gas substrate.

Preferably, the secondary unit is insulated to minimize heat loss during smoking mode. The better the secondary unit is insulated, the longer the substrate will be able to remain at operating temperature, which can extend the previously determined period of time for the smoking mode.

Figure 4a shows a pack of cigarettes that are lit at the end. Figure 4b shows an embodiment of the smoking system of the present invention, in which the secondary unit in the form of the bra can be stored in the primary unit. Figure 4c shows an embodiment of the smoking system of the present invention, in which the fastener can be stored in the primary unit, even when an article for smoking is received n the bra. Figures 4a, 4b and 4c are provided to show the relative sizes of the modalities of the smoking system of the present invention and a pack of cigarettes.

<img file="MX345356B_D0026.tif" />

that light up at I end 10.

Figure 4a shows end-lit cigarette pack 401 403. The bottom view in Figure 4a is a cross-sectional side view. The top view in Figure 4a is a cross-sectional top view. This pack has a width of 55mm, a height of 90mm, and a depth of 24mm. Figure 4a shows an example of a cigarette pack which is end lit. Generally, end-lit cigarette packs have a height of between about 60mm and about 150mm, more typically a height of between about 70mm and about 125mm. In general, cigarette packs that are lit by the e They end have a width of between about 12mm and about 150mm, more preferably a width of between about 70mm and about 125mm. Generally, end-lit cigarette packs have a depth of between about 6mm and about 100mm, more preferably, a depth of between about 12mm and about 25mm. Preferably, the dimensions of the packs are adapted to the length of the cigarettes and the match of the cigarettes.

Cigarette packs that are lit by the

IMPI ^

ΙΗΓΓίΤυΤΟ MEXICAN

OF THE WOt'f £ UAi; OteSI TNDUm? AC extr mo can be in the shape of a rectangular parallelepiped, with transverse edges at right angles and longitudinal edges at right angles. Alternatively, the package may comprise one or more rounded longitudinal edges, rounded transverse edges, longitudinal edges. beveled edges or beveled transverse edges, or combinations thereof. Alternatively, the package may have a non-rectangular cross-section, for example polygonal, such as triangular or hexagonal or oval, semi-oval, circular or semi-circular. The packs can be used to package smoking articles including, without limitation, conventional end-lit cigarettes, cigars or cigarettes, heated smoking articles comprising a fuel element or heat source and a substrate that generates the aerosol ( for example, cigarettes of the type described in US-A4,714,082) and smoking articles for use with electric smoking systems (for example, the type I cigarettes described in US-A-5,692,525).

Through the proper choice of package dimensions, packages can be designed to hold different total numbers of items to smoke. ar, or different arrangements of smoking articles. Packages may contain smoking articles of the same type or brand, or different types or brands. In addition, both non-smoking items⁴⁹ IMPI ^ «NSTJTWTo MEXICA NO

THE PtOP! BOA O

INDUSTRIAL filter such as smoking articles with various filter tips can be contained, as well as smoking articles of different length and diameter. Additionally, smoking articles may differ in flavor strength, extraction resistance, and delivery of total particulate materials. The package may comprise more than one of the different types of smoking articles listed above.

Figure 4b shows a first embodiment of a smoking system according to the present invention. The bottom view in Figure 4b is a cross-sectional side view. The top view in Figure 4b is a sectional top view transverse ion. The system comprises a primary unit 405 and a holder 407. The primary unit includes a primary power source in the form of a battery 409, storage for smoking articles 411, and a docking port 413 for receiving the fastener. The fastener includes heating elements, indicated schematically at 415. In the present embodiment, when the fastener is stored in the docking port of the primary unit, the lid portion (not shown) can be closed. However, when the fastener is stored in the docking port of the primary unit with a smoking article, it is received in the fastener (as shown in Fig. 4b), the lid portion cannot

INSTITUTO MEXICANi ·

OF INDUSTRIAL PROPERTY c rrar. The smoking system has a width of 56 mm, a height of 95 mm and a depth of 25 mm.

Figure 4c shows a second embodiment of a smoking system according to the present invention. The bottom view in Figure 4c is a cross-sectional side view. The top view in Figure 4c is a cross-sectional top view. The system comprises a primary unit 405 'and a fastener 407'. The primary unit includes a battery 409 ', storage for smoking articles 411', and a docking port 413 'to receive the fastener. Bra 407 'includes heating elements, indicated schematically at 415'. In this embodiment, when the fastener is stored in the docking port of the primary unit, even with a smoking article received in the fastener (as shown in Figure 4c), the lid portion (not shown) can be closed. This is because the bra 407 'has a different construction from that of the bra 407, in particular, the heating elements are positioned differently. The smoking system has a width of 56 mm, a height of 95 mm and a depth of 25 mm.

From Figures 4a, 4b and 4c, it can be seen that at least two embodiments of the smoking system of the present invention are similar in size and shape as the end-lit cigarette pack. Other

IMPI

MEXICAN INSTITUTE Dt LA rtORUOAD fHDUSTUIAL Smoking system modalities can be of a similar size and shape to other pack sizes and shapes, as described above. All components required for the smoking experience are contained in the single compact unit.

The operation of the electrically heated smoking system in accordance with one embodiment of the present invention will now be described with reference to Figure 5. Figure 5 is a graph of the power used W the temperature T versus time t for the modes d pre-heating and smoking.

First, the user inserts a smoking article into the secondary unit. At this time, the secondary unit can be connected to, or separated from, the primary unit.

Second, the secondary unit is connected to the primary unit (if not already connected) (or an alternate power source) and the primary power source in the primary unit starts charging the secondary power source in the secondary unit. Charging time will depend on the details of the smoking system, although it is no longer than about 5 minutes in a preferred mode. The order of the first two steps can be reversed. For example, the secondary unit can be stored in or on the primary unit when not in use, so that the secondary power source is fully charged and the

<img file="MX345356B_D0027.tif" />

Secondary unit is ready for a user to start the smoking experience at any time. In that case, the secondary power source in the secondary unit a is charged before a smoking article is inserted into the portable secondary unit.

Third, once the secondary power source has been fully charged (this can be indicated by a signal on the primary or secondary unit), the user can begin the preheat mode. At this stage, the user can remove the portable secondary unit from the primary unit or the secondary unit can remain connected to the primary unit. Additionally, the preheating mode can be started before or at the same time as the charging mode starts. The preheat mode can be initiated by the user who presses a button or flips a switch when ready to begin the smoking experience. Alternatively, the user can start the preheat mode by shaking the unit a predetermined number of times to start the preheat phase. At the start of d ac mode pre-slowing, at time 0 in the graph of figure 5, the secondary power source is then connected to the heating elements in the secondary unit, under control of the electronic circuitry in the secondary unit, and optionally, the primary unit. The elements

<img file="MX345356B_D0028.tif" />

The heating is heated until the substrate in the smoking article reaches the desired operating temperature T1 (eg, between about 150 and 250 ° C). During the preheat mode (shown by the shaded box in Figure 5), the temperature of the substrate rises rapidly, albeit in a controlled manner, in order to avoid going over the limit. In one embodiment, a temperature sensor is located in the secondary unit. The primary unit can also include a temperature sensor. In another mode, the primary unit or the secondary unit can detect that the substrate has reached the operating temperature after eada T1 after an energization period t1 has elapsed. The energization period can be between approximately 10 seconds and approximately 150 seconds. At the end of this warm-up period, t1 in Figure 5, the electronic circuitry in the secondary unit can generate a signal to indicate that the pre-warm-up period mode is complete and that the user can begin the experience to smoke.

Fourth, the user can now remove the portable secondary unit (with the received smoking article) from the primary unit, if it has not already been removed, to start the smoking mode. This is at time t1 in the graph of figure 5. During smoking mode, the secondary power source in the secondary unit is used to maintain the

<img file="MX345356B_D0029.tif" />

substrate at or near operating temperature T1. The heating elements provide sufficient heat to the substrate to maintain the su strato at operating temperature, thus compensating for heat losses through the secondary unit, and as air is drawn through the secondary unit during each smoke. The electronic circuitry in the secondary unit records the elapsed time, the time between puffs, and / or the number of puffs taken, because the portable secondary unit was removed from the primary unit at time t1.

In Figure 5, three graphs are shown during smoking mode. The first, solid line indicates the temperature when the secondary unit is insulated. This is the preferred embodiment and, as can be seen in Figure 5, they keep the substrate very close to the operating temperature T1 and the power W1. The second, the broken line indicates the temperature when the secondary unit is not isolated. In this mode, the substrate is still close to the operating temperature T1, although there is more heat loss than when secondary unit is insulated. The third, the dashed line, indicates the temperature with no secondary power source in the secondary unit. In that arrangement, the substrate temperature drops rapidly during smoking mode.

Fifth, the ctronic circuit system in unity

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Secondary, whether it detects that the maximum number of smokes (for example, between approximately 5 and 20 smokes per smoking item) has been reached, or the maximum amount of time for the smoking mode (for example, approximately 5 to 20 minutes after the user has removed the bra from the primary unit) has expired, or the maximum amount of time between puffs (eg, approximately 30 seconds to 5 minutes) has elapsed. This is the time t2 in the graph of Figure 5. In the first case, if the electronic circuitry in the secondary unit detects that the maximum smoke count As it has been achieved for the smoking article, the electronic circuitry will stop energizing the heating elements to maintain the substrate at the desired operating temperature. If the user has given the maximum number of puffs during smoking mode, the electronic circuitry in the secondary unit generates a signal to the user indicating that the maximum number of puffs has been taken. This signal may take the form of a display on the portable secondary unit (for example, indicating the number of puffs remaining), one or more indicator lights, such as LEDs, the switch of which is turned on or off as puffs are taken. , an audible notification, such as an alarm, a silent notification, such as a vibration, or any other appropriate signal. In the second case, if I

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system of electronic circuits in secondary unit ia detects that the maximum amount of time for smoking mode has expired, the electronic circuitry will stop maintaining the operating temperature on the substrate and will generate a signal to the user indicating that the time for smoking mode has expired . This signal can be any suitable signal, such as the one described above. In the third case, if the maximum amount of time allowed for the user to take consecutive puffs has expired, the electronic circuitry generates a signal to the user indicating that a smoke has not been taken for the allowed time. This signal can be any suitable signal, such as the one described above. The signals may indicate that the secondary signal must be returned to the primary unit to be charged.

Sixth and last place, the user can reconnect the portable secondary unit and the primary power source and the primary unit starts charging again. e the secondary power source on the portable secondary unit again. Once the secondary power source in the secondary unit is fully charged, if there are still smokes, the user can start the smoking experience again from the third step. Consequently, the user can start and stop the smoking experience.

As described, the embodiments of the present invention provide a number of advantages. First, by dividing the system, in particular the power source, into two portions, the size of the secondary unit can be reduced. Second, the secondary unit can facilitate on-demand puffs, and the smoking experience can be started and stopped. Single-user arrangements, which are similar in size and shape to those of an end-lit cigarette pack, are advantageous in that there will be minimal disruption to the user's smoking passage for the user to use. river adopt the product. Furthermore, the user only needs to carry the single unit that provides all the components required for the smoking experience. Modalities that provide a plurality of secondary units to be used by a plurality of users are advantageous because they facilitate social interaction. The modalities in which the secondary unit is customized allows the user to avoid unauthorized use and the performance can be adapted to better suit the user. Figure 6 shows a flow chart illustrating one embodiment of the method of the present invention. Figure 6 shows an embodiment of the method for charging the secondary power source in the charging mode. During charging mode, the secondary unit must connect to the primary unit (or the primary power source if there is no primary unit). The load of the secondary power source is controlled by the circuitry secondary in the secondary unit.

In the embodiment of FIG. 6, determining when the secondary power source is sufficiently charged based on a calculated estimate of the electrical power required to operate the secondary unit in both the pre-heat mode and the smoking mode. In the embodiment of Figure 6, this calculation is based on three technical parameters 601, 602, 603. The first technical parameter 601 is a pre-specified number of puffs to be taken by a user during smoking mode. That pre-specified number of puffs is preferably close to the number of puffs for an end-lit smoking article. For example, the prespecified number of puffs can be between 10 puffs and 20 puffs, even more preferably 15 puffs.

The second technical parameter 602 is the electrical power required for the preheating mode. This can be depend on the physical properties of the smoking article and the aerosol-forming substrate, for example, without limitation, the density or structure of the aerosol-forming substrate. This can also depend on the period of energization to reach the desired operating temperature. The value of the second technical parameter 602 can be determined in any way

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mpírica, for example, by means of tests that are executed in the laboratory using different substrates.

The third technical parameter 603 is the consumer-specific information that relates to the mode of smoking, eg, without limitation, the strength of the smoke and the length of the smoke. Such consumer-specific information affects the electrical power required for secondary unit operation during a smoke in smoking mode.

Normally, the first and second technical parameters 601, 602 are required for the calculated estimate of when the power source sec undaria is sufficiently charged. Typically, the third technical parameter 603 is preferred but not required. One of the advantages of the secondary circuitry that controls the power source during charging mode is that the secondary circuitry may have gathered the specific information from the consumer. Consequently, consumer-specific information need not be transferred to the primary circuitry.

In step 604, the electrical power required for both the preheat mode and the smoking mode is calculated based on the values ​​of the three technical parameters 601, 602, 603. This calculation 603 can be based on an integration calculation or the sum of the values ​​of each technical parameter. Preferably, the calculation is performed using the system of.⁶⁰ IMPI

MEXICAN INSTITUTE DE LA PROPIEDAD INDUSTRIAL secondary circuits, in which case, the determined value of the electr The required ica must be communicated to the primary unit, in step 605, because the secondary power source is being reloaded from the primary power source. This required electrical power can be considered a minimum electrical power.

Once it has been determined that the secondary power source is sufficiently charged to increase the temperature of the aerosol-forming substrate to the operating temperature in the preheat mode and to maintain the temperature of the aerosol-forming substrate substantially at operating temperature during smoking mode, this can be signaled to the user at step 606. For example, the primary unit or the secondary unit 15 may indicate that the secondary unit has sufficient charge. This can be by way of an LED light or an LED display, for example.