A method and an arrangement for sealing

SWEDEN (12) Patents (13) C2 (11) 516 639

<img file="SE516639C2_D0001.tif" />

(19) SE (51)

International class ⁷G09F 3/03, E05B 49/00

PATENT AND REGISTRATION AGENCY (45) (41) (22) (24) (62) (86) (86)

Patent announced Application publicly available The patent application was received on the maturity date

The number of the main application

2002-02-05

1994-10-01

1993-03-30

1993-03-30 (21) Patent application number 9301062'7

Application received as:

(83)

International filing date Filing date for application for European patent Deposit of microorganism Swedish patent application completed international patent application with number □ converted European patent application with number (30) Priority information (73) (72) (74) (54) (56) (57)

PATENT HOLDER Lennart Eriksson, Slattervägen 80 135 42

INVENTOR Lennart Eriksson, Tyresö SE

OMBUD Albihns Stockholm AB

DESIGNATION Method and device for sealing

MENTIONED PUBLICATIONS:

US 4,717,816, FR 2,633,758, EP 0 170 119 SE 458 318, US 5,097,253, US 4,766,417

SUMMARY:

Tyresö SE

EP 0 142 013,

Sealing method, where breaking of the seal is detected at least afterwards.

The method is characterized in particular by the fact that breaking of the seal is readable by means of an updatable information carrier (2).

The invention also relates to a device for sealing.

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<td>B</td><td>spelling *</td><td>TI</td><td>translation of the requirements of the European patent application</td><td></td>

<td>B5</td><td>corrected spelling *</td><td>T2</td><td colspan="2">correction of the translation of the requirements of the European patent application</td>

<td>C</td><td>patent specification *</td><td>T3</td><td>translation of European patent specification</td><td></td>

<td>Cl</td><td>patent specification *</td><td>T4</td><td>translation of European patent specification in amended version</td><td></td>

<td>C2</td><td>patent</td><td>T5</td><td>corrected translation of European patent specification</td><td></td>

<td>C3</td><td>corrected patent specification</td><td>T8</td><td>corrected translation of European patent specification</td><td></td>

<td>C5</td><td>corrected patent specification *</td><td>T9</td><td>corrected translation of European patent specification</td><td></td>

<td>C8</td><td>corrected front page to patent specification</td><td></td><td></td><td></td>

<td>E</td><td>patent specification in amended wording</td><td></td><td></td><td></td>

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516j639

The present invention relates to a sealing arrangement according to the preamble of appended claim 1.

Sealing in the sense of an arrangement arranged so that a change of condition, such as opening a door, a consignment, etc., is unambiguously detectable in retrospect, is of course associated with major problems, e.g. in the form of high costs and unreliability.

The present invention relates to an arrangement which offers, at a relatively low cost, a seal with extremely high reliability and flexibility.

The invention thus relates to a sealing arrangement according to the preamble of appended claim 1. The arrangement is characterized in particular by what is specified in the characterizing part of said claim.

The invention is described in more detail below in connection with exemplary embodiments and the accompanying drawing,

Fig. 1 schematically shows a view of a door sealed according to the invention,

Fig. 2 shows the seal according to Fig. 1,

Fig. 3 schematically shows goods sealed according to the invention,

Fig. 4 schematically shows an information carrier and a reading unit and

Fig. 5 schematically shows a clock unit for recording the time of events concerning a seal according to the invention.

In Fig. 1, 1 denotes a door, sealed according to the invention, wherein an updatable information carrier 2 is arranged in the door frame 3 for readably registering breaking of the seal, where breaking corresponds to opening of the door 1. The information carrier is preferably of the so-called smart type. card.

516₂639

4, Fig. 2, denotes a switching unit cooperating with the information carrier arranged to change state, for example breaking a circuit, when detecting the seal, for detecting the breaking. Shown is an embodiment where the switch unit is arranged to be actuated by a magnet arranged in the door, but other switch devices of a substantially known type, such as mechanical microswitches and the like, are of course conceivable.

Fig. 3 shows an embodiment where the seal refers to goods and where the breaking corresponds to the removal of the goods from a predetermined place.

7 denotes a clock unit, from which time in the form of date and time is intended to be supplied to the information carrier for registration of time for breaking and preferably, where applicable, resetting, ie. closing the door, etc., of the seal.

The information carrier 2 is intended and arranged to be read by contact or contactlessly with a reading unit 8, Fig. 4, in which registered information is readably stored, for example for further transfer to a processing unit, not shown, for evaluation.

According to a preferred embodiment, there is also an acknowledgment unit 9, shown as an alternative in Fig. 4, arranged to be used in combination with the information carrier, by means of which acknowledgment unit an identification of a person breaking the seal is intended to be transferred to the information carrier for registration. The acknowledgment unit can be combined with the reading unit in one unit.

The function of the arrangement according to the invention should be substantially apparent from the above. Breaking and preferably, where applicable, restoring the seal is thus readable with the information carrier, whereby, according to different levels

516 j639 of detection, breaking of the seal, change and time, breaking, time and identity, etc., can be registered and then read and further processed.

As will also be apparent above, the invention offers the possibility of inexpensive, flexible and reliable sealing. The applications are many. Sealing of office rooms, warehouses, storage, etc. and use in connection with surveillance are some.

The invention has been described above in connection with exemplary embodiments. Of course, more embodiments as well as minor changes and additions are conceivable without departing from the spirit of the invention.

The seal can thus be arranged hidden in a door, door frame, etc. The seal does not have to be divided between, for example, a door and a frame, as in Figs. 1 and 2, but the whole seal can be concentrated in one place, such as the frame or the like. a switch unit or equivalent.

Furthermore, additional information, such as access privileges, can be exchanged between the information carrier and the reading unit and / or the acknowledgment unit.

Breaking the seal can also give impetus to some form of alarm function.

The invention is thus not to be considered limited to the above-mentioned embodiments but can be varied within the scope specified by the appended claims.

516 639