JPH1032631A - Telephone set - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable calling while succeeding stored information even by separating the main body from the storage medium by inserting and electrically connecting an external storage medium to the main body of a telephone set and allowing the main body to recognize this external storage information. SOLUTION: At the time of calling, an IC card 2 is inserted and electrically connected to the main body of the telephone set 1. Thereby the main body 1 can recognize storage information in an IC card 2 and this portable telephone set becomes in a calling state while always referring to the storage information in the IC card 2. At a phase when CPU starts operation, the portable telephone set executes communication protocol control with a base station to obtain necessary initial information. After then, when a transmitting factor is caused, the portable telephone set executes protocol control to collate the number of the portable telephone set and to inform the base station of a call originating request. After then, the transmission of dial information and the request of connecting information, etc., to a transmission side are executed. At this time, a central processing unit CPU reads dial information designated by the key and then executes a following protocol processing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone for transmitting and receiving voice signals by wireless communication. More particularly, in a mobile telephone such as a portable telephone or a car telephone, storage information necessary for the telephone is stored in an external storage medium. The present invention relates to a technology effective when applied to a telephone suitable for utilizing the characteristics of an external storage medium.

[0002]

2. Description of the Related Art For example, as a technique studied by the inventor, a telephone is generally used as a communication device directly used by an unspecified number of people for voice communication. This telephone is composed of a communication system including a transmitter and a receiver for transmitting a voice signal, and a signal system for transmitting and receiving a voice signal to and from an exchange by wireless or wire.

Normally, in the case of a home / office telephone, a master unit is connected to a signal system such as an exchange by a wire, and the master unit and a slave unit are wirelessly connected. Personal information such as a telephone number is stored in a storage device of a handset or a handset, or a signaling system of a local exchange.

[0004]

In the above-mentioned telephone, since personal information necessary for the telephone is stored in the storage device of the parent device or the child device, or in the internal exchange, the telephone is replaced. In that case, there is an inconvenience that all such information is lost. In particular, mobile phones such as mobile phones have a part that stores personal information such as phone numbers on the phone itself, and not only loses personal information when replacing phones such as replacements, but also their own phone numbers. There is the inconvenience that it changes anew.

[0005] Therefore, an object of the present invention is to separate the telephone main body from the stored information in order to solve the above inconvenience, and to store the predetermined stored information necessary for the telephone in a detachable or contact or non-contact type. An object of the present invention is to provide a telephone which can be provided in a storage medium and which can effectively utilize the characteristics of the external storage medium.

The above and other objects and novel features of the present invention will become apparent from the description of the present specification and the accompanying drawings.

[0007]

SUMMARY OF THE INVENTION Among the inventions disclosed in the present application, the outline of a representative one will be briefly described.
It is as follows.

That is, the telephone of the present invention is applied to a mobile telephone for transmitting and receiving voice signals by wireless communication, and an external storage medium for storing predetermined storage information required for the telephone can be attached to and detached from the telephone main body. It is provided in. Thus, when making a call, the external storage medium is first inserted into the telephone main body and electrically connected, the stored information in the external storage medium is recognized by the telephone main body, and transmission / reception of the audio signal is performed with the other party. Can make calls.

In another telephone of the present invention, an external storage medium for storing predetermined storage information necessary for the telephone is provided so as to be able to contact or not contact the telephone body. Thus, when making a call, first, the external storage medium is brought into contact with the telephone main body to be electrically connected or wirelessly electrically connected in a non-contact state, and the storage information of the external storage medium is stored in the telephone. It is possible to make the main body recognize and communicate with the other party by transmitting and receiving a voice signal.

In particular, the external storage medium is an IC card, or the external storage medium is provided with a non-rewritable area and a rewritable area, and the non-rewritable area previously stores essential information for specifying the telephone, and the like. The rewritable area stores additional information and the like registered by the telephone owner as necessary. This makes it possible to utilize the characteristics of a general-purpose IC card, facilitate handling using the IC card, and effectively use the IC card without erasing stored additional information and the like.

The external storage medium of such a telephone is used in addition to a mobile telephone such as a mobile telephone and a car telephone.
It is used for various types of telephones such as home / office telephones and public telephones, and is further used for facsimile machines and radios that share some functions with these telephones. Thereby, in particular, the stored information of the mobile telephone can be generally used for various telephones, various communication devices having functionally shared parts, and the like.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings.

(First Embodiment) FIG. 1 is a functional block diagram schematically showing a telephone according to a first embodiment of the present invention, and FIG. 2 is a schematic plan view showing the telephone according to the first embodiment.

First, the configuration of the telephone according to the first embodiment will be described with reference to FIGS.

The telephone according to the first embodiment is, for example, a mobile cellular phone that transmits and receives voice signals by wireless communication. The telephone body 1 includes a codec circuit ADPCM for compressing / decompressing voice signals and a digital signal. A time division multiplex access circuit TDMA for time division multiplexing, a phase locked loop circuit PLL for setting a radio carrier frequency, a frequency circuit RF for radio transmission / reception, a central processing unit CPU for controlling these, a control program, and necessary data The telephone body 1 includes a circuit such as an EEPROM or an SRAM, and an IC card 2 as an external storage medium for storing predetermined storage information is detachably provided in the telephone body 1.

This IC card 2 has, for example, RAM, R
A storage medium such as an OM is built-in, and in the ROM, essential information for identifying the mobile phone such as owner information such as name and address and terminal-specific number information is registered in advance as non-rewrite information. In addition, various additional information such as security password information, personal telephone number function information, pager function information, and original message function information can be registered in the RAM as rewritable information as needed by the owner of the mobile phone. It has become.

As shown in the schematic plan view of FIG. 2, for example, the telephone body 1 constructed as described above has a speaker 3 for outputting an audio signal, a telephone number, a liquid crystal for displaying a message, etc., from the top of the body surface. A display 4, a function key 5, such as a memory key for registering additional function information, together with a power-on key, an on-hook key, and the like;
Numeric keys 6 of 0 to 9 (including * and #) and a microphone 7 for inputting an audio signal are arranged in order. Note that the numeric keypad 6
Corresponds to a predetermined character, and alphabets, kana, and the like can be input.

Further, an antenna 8 for transmitting and receiving a voice signal by wireless communication is provided at an upper end of the telephone main body 1, and an IC which is a feature of the first embodiment is provided at a lower end.
A mounting port 9 for attaching and detaching the card 2 to a connector or the like is provided. The IC card 2 can be used by inserting the IC card 2 into the mounting port 9, and the IC card 2 can be used when the telephone body 1 is replaced. It can be taken out and reused for new mobile phones and various other phones.

Next, with regard to the operation of the first embodiment, a state transition in the case of actually performing a call operation will be described.

First, when making a call, the IC card 2
Is inserted into the telephone body 1 to electrically connect the telephone body 1 and the IC card 2. As a result, the telephone body 1 can recognize the information stored in the IC card 2, and the mobile phone is in a callable state while always referring to the information stored in the IC card 2.

Therefore, when the portable telephone is first turned on and the power-on key is pressed to enter the power-on state, the central processing unit CPU starts operation. In this phase, the mobile phone controls the communication protocol with the base station, confirms the base station, and obtains initial information necessary for communication from the base station.

Further, in the calling operation, when a calling factor such as pressing an on-hook key occurs, the mobile phone controls the communication protocol with the base station, checks the mobile phone number, and notifies the base station of a calling request.

Thereafter, transmission of dial information and the like by the ten keys, reception of a ring back tone, and notification of connection to the transmission side are performed. At this time, the central processing unit CPU performs the following protocol processing after reading the dial information of the key pressed due to a key input interrupt or the like.

On the other hand, in the incoming call operation, if there is an incoming call request from the base station, it is checked whether the mobile phone is ready to receive the call or the number of the requested mobile phone, and a ringer sound (buzzer) is sent to the transmitting side. To notify the incoming call.

Subsequently, in the call operation, the mobile phone, in the call state after the call is established, receives / transmits control data transmitted / received together with the voice information on the transmission side and the reception side, for example, 5
This is performed every ms. In this case, the central processing unit CPU is 5 ms.
Once, the control data is checked, and a process of generating transmission data corresponding to the control data is performed.

In the call termination operation, when the portable telephone detects a call termination request such as pressing a hook key on the transmission side or disconnecting the reception side from the call state, the central processing unit CPU performs a process for the call termination. , And shift to the standby mode.

As described above, the IC card 2 is inserted into the mounting slot 9 of the telephone main body 1 and is electrically connected to the telephone main body 1. While always referring to the storage information of the IC card 2 inserted into the telephone main body 1, As a mobile phone, a call can be made between a transmitting side and a receiving side.

Therefore, according to the telephone of the first embodiment, an IC in which predetermined storage information is stored in telephone body 1
By providing the card 2 detachably, the IC card 2
Can be inserted into the telephone body 1 to enable communication with the other party. In particular, the use of a general-purpose IC card 2 facilitates the handling and replaces the stored additional information with the replacement of the telephone. It can be effectively used without extinguishing even in the exchange accompanying.

In the case of a mobile phone such as a mobile phone as in the first embodiment, unlike a fixed station phone,
Even if the user replaces the telephone, not only personal information such as various additional information but also essential information such as his / her telephone number can be inherited. Further, another person's mobile telephone can be used as a telephone with his / her own ID.

(Embodiment 2) FIG. 3 is a schematic plan view showing a telephone according to Embodiment 2 of the present invention.

The telephone according to the second embodiment is a mobile cellular phone that transmits and receives voice signals by wireless communication as in the first embodiment. The difference from the first embodiment is as follows.
IC card 2 for storing predetermined storage information in telephone body 1a
a is electrically connected wirelessly in a non-contact state.

That is, in the telephone according to the second embodiment, as shown in FIG.
First, a signal from the transmitting / receiving circuit SR of the IC card 2a is received by the receiving / transmitting circuit RS of the telephone body 1a, and the data between the telephone body 1a and the IC card 2a is used. By enabling the transfer, the telephone main body 1a can be put into a talk-enabled state while always referring to the stored information of the IC card 2a.

Therefore, according to the telephone of the second embodiment, the telephone main unit 1a stores predetermined storage information.
By electrically connecting the C card 2a wirelessly in a non-contact state, as in the first embodiment, a general-purpose I
By using the C card 2a, handling can be facilitated, and the stored additional information and the like can be effectively utilized without erasing. In particular, in the second embodiment, the IC card 2a is separated from the telephone body 1a. In this state, it is possible to communicate with the other party.

Although the invention made by the inventor has been specifically described based on the first and second embodiments of the present invention, the present invention is not limited to the above-described embodiment and does not depart from the gist of the invention. It goes without saying that various changes can be made within the range.

For example, in the telephone according to the above-described embodiment, the case where the IC card is detachable and non-contact type has been described. However, the present invention is not limited to the above-described embodiment, and the IC card can be connected to the telephone. It is also possible to make electrical contact by contacting the external connection terminal of the main body. As the external storage medium, a magnetic card, an optical card, or the like may be used in addition to the IC card.

In the above description, the case where the invention made by the present inventor is mainly applied to a mobile cellular phone as a technical field to which the invention belongs has been described. However, the present invention is not limited to this. The present invention is widely applicable to other mobile telephones, and various telephones such as home / office telephones and public telephones. In the case of a fixed-station telephone for home use or office use, the user's own telephone number cannot be changed, but personal information such as various additional information can be inherited.

Further, it is conceivable that the present invention is applied to a facsimile, a radio, and the like which share some functions with these telephones. This makes it possible to use the stored information of the mobile telephone in general for various telephones and various communication devices having a functionally common part.

[0038]

Advantageous effects obtained by typical ones of the inventions disclosed in the present application will be briefly described.
It is as follows.

(1) By providing an external storage medium for storing predetermined storage information necessary for the telephone in a detachable manner in the telephone main body, the external storage medium is inserted into the telephone main body and electrically connected thereto. Since the information stored in the storage medium can be recognized by the telephone main body, a telephone call can be made while inheriting the stored information by separating the telephone main body from the storage medium.

(2) Even when the external storage medium is provided so as to be capable of contacting or non-contacting with the telephone body, the external storage medium is brought into contact with the telephone body to be electrically connected, or wirelessly connected in a non-contact state. And the storage information of the external storage medium can be recognized by the telephone main body, so that the telephone can be communicated while inheriting the storage information by separating the telephone main body and the storage medium in the same manner as in (1) above. be able to.

(3) By using an IC card as the external storage medium, the characteristics of a general-purpose IC card can be utilized, and handling can be facilitated using this IC card.

(4) By providing a non-rewritable area and a rewritable area in the external storage medium, the owner of the telephone registers additional information and the like as necessary in addition to the essential information for specifying the telephone. Therefore, the stored additional information and the like can be effectively used without being lost.

(5) The external storage medium of the telephone is a mobile phone,
Used not only for mobile phones such as car phones, but also for various types of phones such as home / office phones and public phones, and also for facsimile machines and radios that share some functions with these phones. Therefore, the stored information of the telephone can be generally used for various telephones, various communication devices having functionally shared parts, and the like.

(6) According to the above (1) to (5), it is possible to separate the telephone from the external storage medium storing the necessary storage information. A great effect can be realized by using a mobile telephone without changing essential information.

[Brief description of the drawings]

FIG. 1 is a functional block diagram schematically showing a telephone according to a first embodiment of the present invention.

FIG. 2 is a schematic plan view showing the telephone according to the first embodiment of the present invention.

FIG. 3 is a schematic plan view showing a telephone according to a second embodiment of the present invention.

[Explanation of symbols]

 1, 1a Telephone body 2, 2a IC card 3 Speaker 4 Liquid crystal display 5 Function key 6 Numeric keypad 7 Microphone 8 Antenna 9 Mounting port ADPCM codec circuit TDMA Time division multiplex access circuit PLL Phase locked loop circuit RF frequency circuit CPU Central processing unit EEPROM, SRAM memory circuit SR transmission / reception circuit RS reception / transmission circuit

Claims (5)

[Claims] 1. A mobile telephone for transmitting and receiving a voice signal by wireless communication, comprising: an external storage medium that stores predetermined storage information necessary for the telephone and that is detachably provided to the telephone main body. When making a call, the external storage medium is inserted into the telephone main body and electrically connected to the telephone main body so that the telephone main body recognizes information stored in the external storage medium to transmit and receive a voice signal. Phone. 2. A mobile telephone for transmitting and receiving voice signals by wireless communication, comprising: an external storage medium that stores predetermined storage information necessary for the telephone and that is provided so as to be capable of contacting or non-contacting with the main body of the telephone. When making a call,
The external storage medium is brought into contact with and electrically connected to the telephone main body, or is electrically connected wirelessly in a non-contact state, and the telephone main body recognizes information stored in the external storage medium to transmit and receive a voice signal. Telephone. 3. The telephone according to claim 1, wherein the external storage medium is an IC card. 4. The telephone according to claim 1, wherein the external storage medium has a non-rewritable area and a rewritable area, and the non-rewritable area has at least an essential part for identifying the telephone. A telephone, wherein information is stored in advance, and additional information registered by the owner of the telephone as necessary is stored in the rewritable area. 5. The telephone according to claim 1, wherein the external storage medium of the telephone is a mobile telephone such as a mobile telephone or a car telephone, and a home / office telephone. Telephones characterized by being used for various telephones such as public telephones, facsimile machines and radios in which some functions are shared with these telephones.