JPH0563775A - Telephone system - Google Patents

Abstract

PURPOSE:To obtain a very small sized telephone system in which communication is attained not only by a voice signal but also by a character or the like. CONSTITUTION:Lots of dial key data and sentence data are stored in a ROM 25 in pairs and displayed on a display device 4 through the operation of a retrieval key 20a of a key entry section. The same dial key as that in the dial key data corresponding to the sentence data desired to be informed to an opposite party is operated, then only the dial key data are sent to the opposite party. When the dial key data are sent from the opposite party during talking, the same dial key data as the dial key data are retrieved from the ROM 25 and the relevant sentence data are read and displayed on the display device 4.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD OF THE INVENTION The present invention relates to telephone devices.

[0002]

2. Description of the Related Art Conventionally, a telephone has been used by placing it on a desk, a table, etc., but recently, a small cordless telephone, a mobile telephone, etc. have been commercialized and can be carried. Is coming. However, although it is possible to carry around, the telephone communicates by voice, so it is not possible to communicate, for example, in a performance hall, a conference hall, or in a place such as a movie theater that needs to be quiet. There wasn't.

On the other hand, communication of character information, image information and the like is also carried out using a telephone line, but for that purpose, a dedicated modem or the like is required, so that it becomes large and portable. It was impossible to downsize it.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object thereof is to provide an extremely small-sized telephone device capable of communicating not only by voice but also by characters and the like.

[0005]

In order to achieve the above object, the present invention provides a code data storage means for storing code data of a dial key which can be transmitted as a dial sound and a character data storage means for storing character data corresponding to the code data. A plurality of data storage means, a detection means for detecting whether or not the dial tone signal received during the call matches the code data stored in the code data storage means, and the detection means detects a match. In this case, a display means for displaying the character data stored in the corresponding character data storage means and a sending means for sending the dial sound signal of the key dialed during the call are provided.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 is an external view of a digital type mobile phone to which the present invention is applied. An antenna 2 is attached to an upper side surface of a case main body 1, and a speaker unit in which a speaker to be described later is housed and arranged inside an upper upper surface thereof. 3, a dot matrix type liquid crystal display device 4, a push button type dial key switch 5, and a microphone section 6 in which a microphone described later is housed and arranged.

A storage hole 8 is formed on the lower side surface of the case body 1 to accommodate an IC card 7 containing a semiconductor therein. Although not shown, when the IC card 7 is stored in the storage hole 8 in the IC card 7,
A connection terminal is provided so that the semiconductor of the IC card and an electronic circuit described later inside the case body 1 are electrically connected.

FIG. 2 is a block diagram of an electronic circuit of the mobile phone. Although not shown in detail, the wireless transmission / reception circuit unit 11 includes therein a transmission circuit and a reception circuit, an antenna 2 and the transmission circuit, a changeover switch for switching the connection of the reception circuit, a synthesizer oscillator for controlling these, and the like.
It is a circuit that transmits and receives signals wirelessly. The burst mode controller 12 demodulates the signal from the receiving circuit to perform TDMA synchronization processing and sends the signal to the speech codec 13, or the signal from the speech codec 13 is subjected to TDMA frame processing and then modulated to perform wireless transmission / reception circuit section. 11 is a circuit for sending to the transmitting circuit.

The A / D / D / A conversion circuit 14 includes a microphone 1
The analog signal of the voice from 5 is converted into a digital signal and sent to the speech codec 13, or the digital voice signal from the speech codec 13 is converted into an analog signal and sent to the speaker 16, and the speaker 16 generates a sound. It is a circuit to make.

The radio transmitter / receiver circuit section 11, the burst mode controller 12, the speech codec 13, and the A / D / D / A conversion circuit 14 are controlled by the control section 17 having a built-in microprocessor. .. The control unit 17 controls the entire system, and the key input from the key input unit 21 including the basic clock signal from the oscillation circuit unit 18 for operating the system, the dial key switch 5 described above, and the search key 20a described later. A signal is being input. In addition, the power supply voltage of the power supply 23, which is a rechargeable battery, is input to supply the ON / OFF signal a to the power supply circuit 24 that supplies the operating voltage to each part, and the power supply circuit 24 operates each part when not in use. Stop the supply of voltage.

Further, when there is a call, that is, when a telephone call is received, the alarm unit 21 is operated to generate a ring tone. RAM (random access memory) 19
Stores telephone number data, display data displayed on the display device 4 via the display drive unit 22, and the like.
The ROM (Read Only Memory) 25 is the above-mentioned I
It is a semiconductor housed in the C card 7, and as shown in FIG. 3, dial key data storage area X for storing two-digit dial key code data (hereinafter referred to as dial key data) and corresponding characters. A large number of data storage areas including a fixed text storage area Y for storing text data (hereinafter referred to as fixed text) including character data such as numbers, symbols, and the like are provided, and dial key data and corresponding fixed text are The search key 20a is operated to sequentially display the data on the display device 4. The RAM 19 and the ROM 25 are controlled by the control unit 17 to write data or read stored data.

The operation controlled by the control unit 17 in the above configuration will be described with reference to the flowcharts of FIGS. 4 and 5. It is assumed that both the person making a call and the person making a call have the above-mentioned IC card 7 mounted.

When a key operation signal is input from the key input section 21 of FIG. 2 to the control section 17, it is determined whether or not the dial key switch 5 is operated in step A1 of FIG. The dial key switch 5 was operated
If so, the process proceeds to the next step A2, and it is determined whether or not the other party is currently communicating. If no call is being made, the process proceeds to step A3, where it is assumed that the dial key switch 5 has been operated to make a call to the other party, and processing for calling the other party, that is, calling processing is performed.

On the other hand, when the other party is already talking,
If you want to convey something to the other person without making a voice,
The search key 20a is operated to sequentially display the dial key data and the corresponding fixed phrase on the display device 4. When a fixed phrase to be transmitted to the other party is found, the same dial key as the dial key data attached to the fixed phrase is operated.

The operation of the dial key during the call is detected in step A2 of FIG. 5, and the process proceeds to the next step A4. At step A4, the operated dial key is sent to the other party as key data.

Reception during a call operates as shown in FIG.
First, in step B1, it is determined whether the received data is voice data or data such as characters and numerical values. In the case of voice data, the process proceeds to step B2, and a call process for converting into a voice signal and making a call is executed. If the data is not voice data, the process proceeds to step B3, and it is determined whether the data is dial key data. If it is not the dial key data, a process corresponding to the data is performed in step B4. If it is the dial key data, the process proceeds to step B5 to judge whether or not the second dial key data is received. In the case of the first time instead of the second time, the process proceeds to step B6 and the received dial key data is RA.
It is stored in a predetermined memory area of M19. Then, in the case of the second reception of the dial key data, the process proceeds from step B5 to step B6 and two data (two-digit data) consisting of the first data stored in the RAM 19 and the second data of this time are stored. Are sequentially compared with the dial key data in the storage area X of the ROM 25 to search for exactly the same. Then, the fixed text corresponding to the same one is displayed on the display device 4 by the next display processing B8.

As described above, in the above embodiment, when the user does not want to speak to the other party by voice or cannot communicate with the other party, the information to be transmitted is read from the ROM 25 and the dial data attached correspondingly is input. Not only does it not have to input the information itself, but it is possible to transmit information without the need for a modem or the like, which is expensive and causes enlargement. Have.

In the above embodiment, the example applied to the digital type mobile phone has been described, but it may be an analog type mobile phone, and not only the mobile phone but also a car phone or a telephone. It can also be applied to home telephones, cordless telephones, private telephones, etc. that are connected to the line by wire. Also, the dial tone signal does not send dial key data, but DT
The MF sound is sent as it is, and the DTMF is received on the receiving side.
It is also possible to provide a discrimination circuit for discriminating which dial key the frequency of the sound is, and displaying a fixed phrase according to the discrimination result.

Further, in the above embodiment, the fixed phrase is stored in the IC card mounted in the mobile phone, but it may be stored in the internal line of the mobile phone, or in the RAM.
It is also possible to store an arbitrary fixed phrase by key input.

[0020]

As described above in detail, according to the present invention, the information can be transmitted to the other party only by operating the dial key during a call, so that the user can talk with the other party without uttering a voice. In addition, it is possible to provide a small-sized telephone device that does not require a key for inputting transmission information, a modem, or the like.

[Brief description of drawings]

FIG. 1 is an external view of a telephone device according to the present invention.

FIG. 2 is a block diagram of an electronic circuit of the telephone device.

FIG. 3 is a diagram showing data stored in a storage area of a ROM 25 shown in FIG.

FIG. 4 is a flowchart showing an operation when a key is operated.

FIG. 5 is a flowchart showing a receiving operation.

[Explanation of symbols]

 1 case body 2 antenna 4 display device 5 dial key switch 7 IC card 11 wireless transmission / reception circuit section 13 speech codec 17 control section 19 RAM 25 ROM

Claims (1)

[Claims] 1. A data storage means comprising a plurality of code data storage means for storing code data of a dial key that can be transmitted as a dial tone and a plurality of character data storage means for storing character data corresponding to the code data, and a data storage means during a call. Detecting means for detecting whether or not the received dial tone signal matches the chord data stored in the chord data storing means, and stored in the corresponding character data storing means when the coincidence is detected by the detecting means A telephone device comprising: a display means for displaying the character data being displayed, and a sending means for sending a dial sound signal of a key dialed during a call.