Wireless modem

Description: TECHNICAL FIELD [Detailed description of the invention]

【0001】

[Technical field to which the invention belongs]

The present invention relates to a modem for communicating using a personal computer.

【0002】

[Conventional technology]

The prior art according to claim 1 will be described. When communicating from a personal computer such as Internet access using a telephone line, it is necessary to connect to the telephone line from the personal computer via a modem as shown in Fig. 2. Therefore, the place where the personal computer can be used is restricted. On the other hand, under environments such as ISDN and LAN, devices have been developed that digitally communicate from a personal computer to a communication partner using wireless communication from the personal computer. This configuration is shown in Fig. 3. However, ISDN and LAN environments are mainly used in office environments, and cannot be used with analog telephone lines used in ordinary households. As a method of using an analog telephone line, for example, Tokuhei 6-311255, Tokuhei 7-154496 There is. This configuration is shown in Fig. 4. A voice input / output terminal is provided on the cordless telephone slave unit 403, and the input / output sound of the modem unit 402 is input / output from the cordless telephone slave unit 403 to the telephone line 405 via the cordless telephone master unit 404. Next, the prior art according to claim 2 will be described. E-mail is an important function using the Internet. Conventionally, the existence of e-mail can be known only when the personal computer side obtains the e-mail from the provider. Therefore, the user needs access to the Internet to check the arrival of mail. To solve this problem, an email arrival notification service has been proposed. This service includes a polling method in which a personal computer periodically inquires of the provider and a notification method in which the provider notifies.

【0003】

[Problems to be Solved by the Invention]

In the prior art of claim 1, when a telephone line is used, the data transfer speed is about 9600 bps to 19200 bps because the input / output sound of the modem is wirelessly communicated, which is the highest transfer speed of the modem used in the recent telephone line. There is a problem that the performance of 56000bps cannot be secured. Further, in the conventional technique according to claim 2, there is a problem that if the polling method is used, a telephone bill is required even if the mail has not arrived. On the other hand, the notification method is limited to ISDN, mobile phones, and PHS.

【0004】

[Means for solving problems]

In order to solve the above problem, the wireless modem according to claim 1 has a wireless unit that performs digital communication, and digitally converts communication data from a personal computer equipped with the wireless unit that also performs digital communication without converting it to analog. Transfer as data. The protocol conversion unit converts the data received from the personal computer into an analog signal using the modem unit and sends it to the telephone line, and at the same time, converts the analog signal received from the telephone line into digital data using the modem unit and uses the wireless unit. And transfer it to your personal computer. According to this configuration, since the input / output sound of the modem is not transmitted in the wireless part as shown in FIG. 4 of the prior art, high-speed data transfer can be realized without connecting a telephone line to the personal computer. Further, the wireless modem according to claim 2 has a caller ID extraction unit, and acquires a caller ID each time there is an incoming call. Then, if the number is the same as the number saved in the setting number holding unit, it is recorded in the incoming call recording unit. Then, when the wireless unit of the wireless modem and the wireless unit built into the personal computer start communication, the information of the incoming call recording unit is notified to the personal computer side, and the information of the incoming call recording unit is erased.

【0005】

BEST MODE FOR CARRYING OUT THE INVENTION

The invention according to claim 1 is an analog unit using a modem unit for connecting to a telephone line, a wireless unit for digital data communication between a personal computer, and digital data received from the personal computer using the modem unit. It is composed of a protocol conversion unit that converts an analog signal received from the telephone line into digital data and transmits it to the personal computer using the wireless unit, and transmits the telephone line to the personal computer. It is a wireless modem characterized in that data communication can be realized without connecting and high-speed data communication can be realized by using digital communication between a personal computer and a wireless modem. Further, in the invention according to claim 2, a caller ID extraction unit for extracting a caller telephone number when an incoming call is received, a setting telephone number holding unit for storing a telephone number instructed in advance from a personal computer, and a modem unit are used. An incoming call recording unit that compares the caller's telephone number with the telephone number held by the set telephone number holding unit when an incoming call arrives and records that an incoming call was received when the two are the same, and a wireless unit and a modem built into a personal computer. The wireless modem according to claim 1, wherein the modem is composed of a mail arrival notification unit that notifies the personal computer side of the information of the incoming call recording unit when the unit starts communication and erases the incoming call recording. Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1, 4, and 5. (Embodiment 1) FIG. 1 (a) is a diagram according to the first embodiment of the present invention, and FIG. 1 (b) is a diagram of a personal computer that communicates using the wireless modem of the present invention. As shown in FIG. 1A, the wireless modem includes a protocol conversion unit 101, a wireless unit 102, and a modem unit 103. The protocol conversion unit 101 converts the data received from the personal computer via the wireless unit 102 into an analog signal using the modem unit 103 and sends it to the telephone line 106, and at the same time, sends the analog signal received from the telephone line 106 to the modem unit 103. It is converted into a digital signal by using and transmitted to a personal computer via the wireless unit 102. The wireless unit 102 uses, for example, a wireless module of a digital cordless telephone master unit. As a result, the wireless part can obtain a performance of about 64 kbps, so that the maximum speed of data communication using a telephone line of 56 kbps can be utilized. The wireless unit 105 with a built-in personal computer wirelessly transmits and receives digital data to and from the wireless modem wireless unit. For the wireless unit built into the personal computer, for example, a wireless module of a digital cordless telephone slave unit is used. On the other hand, FIG. 4 shows a configuration when a conventionally proposed telephone line is used. In this configuration, conversion to an analog signal is performed by the modem unit 402 on the personal computer side, and the wireless part between the cordless telephone slave unit 403 and the cordless telephone master unit 404 transmits the input / output sound of the modem, so from 9600 bps. Only a speed of 19200bps can be obtained. In the present embodiment, the personal computer 104 has a built-in wireless unit 105 built into the personal computer, but a removable wireless unit such as a PC card may be used. Further, the wireless unit is not limited to the master unit wireless module and the slave unit wireless module of the digital cordless telephone as long as it can transmit digital data wirelessly. (Embodiment 2) FIG. 5 (a) is a diagram according to the first embodiment of the present invention, and FIG. 5 (b) is a diagram of a personal computer that communicates using the wireless modem of the present invention. As shown in FIG. 5, the wireless modem of the present invention has a caller ID extraction unit 504, a set telephone number holding unit 505, an incoming call recording unit 506, and a mail arrival notification unit 507, in addition to the first embodiment.

【0006】

In the wireless modem of the present invention, mail arrival notification is realized in collaboration with a provider that processes mail. The provider manages the telephone number (hereinafter referred to as the user telephone number) for transmitting the incoming mail to the user for each user, and the user knows the outgoing telephone number (hereinafter referred to as the provider calling number) used by the provider when transmitting the incoming mail. It is assumed that

【0007】

Prior to receiving the e-mail notification, the provider calling number is set in advance in the setting telephone number holding unit 505.

【0008】

When the mail arrives, the provider makes a call to the user's telephone number. However, after making a call for a certain period of time (for example, 10 seconds), the call is stopped.

【0009】

When there is an incoming call from the telephone line 510, the caller ID extraction unit 504 extracts the caller ID. However, the modem unit 503 does not pick up the incoming call. The mail arrival notification unit 507 compares the number extracted by the caller ID extraction unit 504 with the telephone number held in the set telephone number holding unit 505. Then, if the values are the same, the event is recorded in the incoming call recording unit 506. If the call is from the provider, these two values are the same and are recorded in the call recorder. On the other hand, in the case of an incoming call from a person other than the provider, the value of the incoming call recording unit 506 does not change because the number extracted by the calling number extraction unit 504 and the number held by the set telephone number holding unit 505 are different.

【0010】

When the wireless unit 502 and the wireless unit 509 with a built-in personal computer start communication, the mail arrival notification unit 507 notifies the personal computer 508 of the information held in the incoming call recording unit 506 and deletes the incoming call record. The personal computer knows the arrival of the mail by this.

【0011】

The wireless modem may be provided with a display such as an LED that can be confirmed from the outside so that the information of the incoming call recording unit 506 can be confirmed by the wireless modem. With such a configuration, the user can know the arrival of mail without communicating with the personal computer.

【0012】

[Effect of the invention]

As described in detail above, according to claim 1 of the present invention, high-speed data communication is possible without connecting a telephone line to a personal computer. Further, according to claim 2 of the present invention, it is possible to know the arrival of an e-mail by using a telephone line without inquiring the provider.

[Simple explanation of drawings]

[Figure 1]

(a) is a block diagram showing a configuration of a wireless modem according to the first embodiment of the present invention. (b) is a diagram of a personal computer that communicates using the wireless modem of the present invention. [Figure 2]

Block diagram of a conventional example without wireless communication [Fig. 3]

Block diagram of a conventional example using wireless communication on a digital line [Fig. 4]

Block diagram of a conventional example using wireless communication on a telephone line [Fig. 5]

(a) is a block diagram showing a configuration of a wireless modem according to the second embodiment of the present invention. (b) is a diagram of a personal computer that communicates using the wireless modem of the present invention. [Explanation of symbols]

101 Protocol converter 102 Radio section 103 Modem section 104 personal computer 105 Built-in wireless part of personal computer 106 telephone line 201 Modem section 202 personal computer 203 telephone line 301 terminal adapter 302 wireless section 303 Radio section 304 personal computer 305 digital line 401 personal computer 402 Modem section 403 Cordless phone handset 404 Cordless phone base unit 405 telephone line 501 protocol converter 502 Radio section 503 Modem section 504 Caller ID Extractor 505 Setting phone number holder 506 Incoming call recording section 507 Email arrival notification section 508 personal computer 509 Personal computer built-in wireless unit 510 telephone line