JPH0998123A - Portable telephone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To speak in voice in the state of connection to a personal computer. SOLUTION: A signal from a CPU 1 is displayed on a display 2, a signal from a push button 3 is supplied to the CPU 1 and controlled, and this control signal is supplied to a transmission circuit 5 and a reception circuit 6. Then, a signal from the transmission circuit 5 is supplied to an antenna 8, and the received signal of the antenna 8 is supplied to the reception circuit 8. Besides, a voice signal from a microphone 10 is supplied through a switch 11 - a changeover switch 13 to the transmission circuit 5, and a voice signal received at the reception circuit 6 is supplied through a changeover switch 14 - a switch 17 to a speaker 18. On the other hand, a signal path from a connector 21 is connected to the changeover switch 13, and a signal path from the reception circuit 6 is connected through an amplifier 22 to the connector 21. Then, the changeover switches 13 and 14 are controlled by the control signal from the CPU 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone device suitable for use when connecting to a personal computer and transmitting / receiving data to / from the personal computer.

[0002]

2. Description of the Related Art For example, a personal computer is connected to a portable telephone device to transmit / receive data of the personal computer. When the personal computer is connected to the mobile telephone device in this way, for example, the address list is searched on the large-screen display of the personal computer to call the mobile telephone device, and the automatic answering and answering machine functions are provided. It is possible to realize various usage forms such as automatic transmission of voice messages by time designation and automatic transmission of broadcast messages.

However, conventionally, when a personal computer is connected to a portable telephone device and used, a voice call is also made through a speaker and a microphone built in the personal computer, which is not suitable for personal conversations, for example. It was the right one. Further, for example, an earphone and a microphone can be connected to an external terminal of a personal computer to make a call, but for that purpose, an extra connection or the like must be made.

[0004]

This application has been made in view of the above-mentioned problems, and the problem to be solved is that when a personal computer is connected to a portable telephone device and used. In this case, a voice call is also made through a speaker and a microphone built in a personal computer, which is inappropriate for personal conversations, for example.

[0005]

For this reason, in the present invention, the portable telephone device is provided with a command discrimination means from the personal computer and a switching means between the connection terminal and the voice circuit, and switching is performed by the command from the personal computer. The means is switched, and according to this, it is possible to make a voice call using the mobile phone device even when connected to the personal computer.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION That is, according to the present invention, in a portable telephone device having a connection terminal with a personal computer and capable of transmitting and receiving data of the personal computer, a discriminating means for discriminating a command from the personal computer. A switching means for switching between the connection terminal and the audio circuit is provided, and the switching means is switched by a command for audio communication from the personal computer. Embodiments of the present invention will be described below with reference to the drawings.

First, FIG. 1 is a block diagram of the entire system including a portable telephone device according to the present invention. In FIG. 1, the mobile phone device 100 is connected to a modem card 300 through a connection adapter and a cable 200. The modem card 300 is installed in the connection slot of the personal computer 400.

Further, this personal computer 400
The floppy disk 500 in which the application software for the modem is recorded is mounted in the floppy drive of the. Further, for example, an external terminal to which the earphone and the microphone 600 are connected is provided in the mobile phone device 100, the personal computer 400, or the like.

Next, FIG. 2 is a block diagram showing the configuration from the connection adapter and cable 200 to the personal computer 400.

In FIG. 2, a personal computer 400 is mainly composed of a central processing unit (CPU) 41. Then, a signal from the CPU 41 is supplied to the display 42 for display, and a signal from the keyboard 43 is supplied to the CPU 41 to input various data and control processing.

A non-volatile memory 44, for example, is connected to the CPU 41. And the keyboard 4 mentioned above
The data input from the CPU 3 and the data processed by the CPU 41 are stored in the memory 44 through the CPU 41 and are also taken out from the memory 44 and used for the processing in the CPU 41.

Further, a floppy drive 45 is connected to the CPU 41. Then, a floppy disk (not shown) is attached to the floppy drive 45 to record and reproduce programs such as the above-mentioned application software and processed data. Furthermore, this CPU4
The control bus, the data input bus, and the data output bus derived from 1 are connected to the connection slot 46.

The personal computer 400 is also provided with a microphone 47 and a speaker 48. The signal path of the audio signal picked up by the microphone 47 is connected to the connection slot 46 via the switch 49 and the amplifier 50, and the signal path from the connection slot 46 is connected to the speaker 48 via the amplifier 51 and the switch 52.
Connected to.

Further, the connection midpoint between the switch 49 and the amplifier 50 and the connection midpoint between the amplifier 51 and the switch 52 are connected to the external terminals 53, respectively. At the same time, when a plug (not shown) of an earphone and a microphone 600 is connected to the external terminal 53, the switches 49 and 52 are switched.
Is provided so that is turned off.

Next, the modem card 300 is used by being mounted in the connection slot 46 of the personal computer 400 described above. This modem card 300 has the above-mentioned C
Central processing unit (CP) connected to the control bus of PU41
U) 31 is provided. The data input bus and the data output bus of the CPU 41 described above are connected to the DA / AD conversion circuit 32, respectively.

In the DA / AD conversion circuit 32, the CPU
The digital signal used on the side of 41 is converted into the analog signal used on the side of the mobile phone device 100 described later. The control of the conversion characteristics and the like of the DA / AD conversion circuit 32 is performed by the CPU 31 according to the control command from the CPU 41 described above.

Further, the signal paths on the output and input sides of the above-mentioned amplifiers 50 and 51 are switched and connected on the analog signal side of the DA / AD conversion circuit 32 by changeover switches 33 and 34, respectively. At the same time, a control signal from the CPU 31 is supplied to the control circuit 35 to control the on / off of the switches 33 and 34.

The signal path switched by the switches 33 and 34 and the control bus of the CPU 31 are connected to the connection adapter and the connector 20 of the cable 200.
Then, the mobile phone device 100 is connected to the modem card 300 through the connection adapter and the cable 200.

Further, FIG. 3 shows the above-mentioned portable telephone device 100.
A block diagram shows the configuration of the main part of the. In this FIG.
The mobile phone device 100 is provided with a central processing unit (CPU) 1 that controls the inside of the device.

The signal from the CPU 1 is supplied to the display 2 for display, and the signal from the push button 3 is supplied to the CPU 1 to input a telephone number when making a call or to receive an incoming call. Controls such as approval and call termination are performed. Further, a non-volatile memory 4 is connected to the CPU 1 to store data used for control and the like.

Further, the control signal from the CPU 1 is supplied to the transmitting circuit 5 and the receiving circuit 6, and data communication is performed between these circuits 5 and 6 and the CPU 1. Then, the signal from the transmission circuit 5 is supplied to the antenna 8 through the amplifier 7 for transmission, and the reception signal of the antenna 8 is supplied to the reception circuit 6 through the amplifier 9.

The voice signal picked up by the microphone 10 is supplied to the transmission circuit 5 through the switch 11, the amplifier 12 and the changeover switch 13. In addition, the receiving circuit 6
The audio signal received by the speaker 18 is transmitted through the changeover switch 14, the amplifier 15 or 16 and the switch 17 to the speaker 18
Is supplied to and is emitted.

Further, the connection midpoint between the switch 11 and the amplifier 12 and the connection midpoint between the amplifier 15 or 16 and the switch 17 are connected to the external terminal 19, respectively. Along with that
For example, an earphone and a microphone 6 are connected to the external terminal 19.
A structure is provided so that the switches 11 and 17 are turned off when a 00 plug (not shown) is connected.

Further, in this portable telephone device 100,
A connector 21 connected to the above-mentioned connector 20 is provided. As a result, the control bus of the CPU 31 described above is connected to the CPU 1 through the connectors 20 and 21. Therefore, the CPU 1 controls the above-mentioned outgoing call, incoming call, call, etc., and at the same time, the switching of the above-mentioned changeover switches 13 and 14 is controlled by the control signal from the CPU 1.

Further, the signal path of the switch 33 described above is connected to the changeover switch 13 through the connectors 20 and 21, and is connected to the transmission circuit 5 through the changeover switch 13. The signal path from the receiving circuit 6 is the amplifier 2
2 to the connector 21, and the connector 20 to the signal path of the switch 34.

In this way, in this device, it is possible to make a call on the portable telephone device 100 by using the built-in microphone 10 and the speaker 18, or the earphone and the microphone 600 connected to the external terminal 19.

At the same time, the personal computer 4 is inserted into the connector 21 of the portable telephone device 100 through the connection adapter / cable 200 and the modem card 300.
00 is connected, the control command from the CPU 41 of the personal computer 400 is transmitted via the CPU 31 of the modem card 300 to the mobile phone device 1.
00 to the CPU1.

As a result, for example, the portable telephone device 100 performs these processes in response to control commands such as input of a telephone number from the personal computer 400 when making a call, approval of an incoming call, and termination of a call. You can

Further, by sending a control command for switching the switches 13 and 14 from the personal computer 400, for example, the switch 13 can be switched to the connector 21 side to transmit / receive data of the personal computer 400. At this time, the amplifiers 15 and 16 are selected by switching the switch 14, and the volume of the speaker 18 can be lowered during the data transmission / reception.

Similarly, the personal computer 40
The switch 13 is switched to the microphone 10 side by a control command from 0, and a call using the earphone and the microphone 600 connected to the microphone 10 and the speaker 18 or the external terminal 19 can be performed.
At this time, by switching the switch 14, the amplifier 1
5 and 16 are selected, and the speaker 18 is set to the normal volume.

Therefore, in this apparatus, a means for discriminating a command from the personal computer is added to the portable telephone apparatus,
A switching means for switching the connection terminal and the audio circuit is provided, and the switching means can be switched by a command from the personal computer.

As a result, conventionally, when a personal computer is connected to a portable telephone device and used, a voice call is also made through a speaker and a microphone built in the personal computer, which is unsuitable for personal conversation, for example. In addition, according to the present invention, it is possible to make a voice call using the mobile phone device even when connected to a personal computer.

Therefore, for example, the personal computer 4
00, the telephone number of the other party is searched and an automatic call is made, and then the switches 13 and 14 are switched to switch the mobile telephone device 10.
A call can be made with the microphone 10 and the speaker 18 of 0. In addition, when an incoming call arrives in the standby state of the mobile phone device 100, the personal computer 400
This can be displayed by pressing the button, and the switches 13 and 14 can be switched to talk with the microphone 10 and the speaker 18 of the mobile phone device 100.

Thus, according to the above-mentioned portable telephone device, in the portable telephone device having the connection terminal with the personal computer and capable of transmitting and receiving the data of the personal computer, the discriminating means for discriminating the command from the personal computer is provided. By providing a switching means for switching between the connection terminal and the audio circuit and switching the switching means by a command for audio communication from the personal computer, even in a state of being connected to the personal computer, It is possible to make a voice call.

In the above system, a standard called AT command is often used for the control command issued from the personal computer to the modem. A control command from the modem to the mobile phone device is performed by a serial control signal. Therefore, in the above configuration, for example, the CPU 31 built in the modem card 300
A process of interpreting the T command and converting it into a serial control signal is performed.

Further, in this case, control commands for inputting a telephone number when making a call, accepting an incoming call, ending a call, etc. are defined by the above-mentioned AT command, while the above-mentioned switch 13, The control commands for switching 14 can be specified using the extended command in the AT command.

Further, in the above system, by switching the switches 33 and 34 in the modem card 300, a voice call can be made even by using the built-in microphone 47 and speaker 48 of the personal computer 400.

In the above system, for example, the external terminals to which the earphone and the microphone 600 are connected can be provided in the connection adapter and the adapter portion of the cable 200.

According to the above-mentioned portable telephone device, even when connected to a portable personal computer having a built-in modem, the same voice communication can be performed.

[0040]

According to the present invention, the portable telephone device is provided with the command discrimination means from the personal computer and the switching means between the connection terminal and the voice circuit, and the switching means is switched by the command from the personal computer. I was able to do it.

Thus, conventionally, when a personal computer is connected to a portable telephone device and used, a voice call is also made through a speaker and a microphone built in the personal computer, which is unsuitable for personal conversation, for example. In addition, according to the present invention, it is possible to make a voice call with the mobile phone device even when connected to a personal computer.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an entire system including a mobile phone device according to the present invention.

FIG. 2 is a block diagram showing a configuration from a connection adapter and cable to a personal computer.

FIG. 3 is a block diagram showing a configuration of a main part of a mobile phone device according to the present invention.

[Explanation of symbols]

 1 central processing unit (CPU) 2 display 3 push button 4 non-volatile memory 5 transmitting circuit 6 receiving circuit 7, 9, 12, 15, 16, 22 amplifier 8 antenna 10 microphone 11, 17 switch 13, 14 changeover switch 18 speaker 19 External terminal 21 Connector

Claims (4)

[Claims] 1. A portable telephone device having a connection terminal for connecting to a personal computer and capable of transmitting and receiving data to and from the personal computer, a determination means for determining a command from the personal computer, the connection terminal and voice. A mobile telephone device, characterized by comprising switching means for switching between circuits and switching the switching means by a command for voice communication from the personal computer. 2. The mobile phone device according to claim 1, wherein a modem device is provided between the mobile phone device and the personal computer, and a command for voice communication from the personal computer is stored in the modem device. A mobile phone device that is interpreted by the above-mentioned method and converted into a control signal, and switches the switching means by the control signal. 3. The mobile phone device according to claim 1, wherein the audio circuit includes a built-in microphone and a speaker. 4. The mobile phone device according to claim 1, wherein the audio circuit includes an external terminal connected to an earphone and a microphone.