JPH03273718A - Mobile radio telephone system - Google Patents

Abstract

PURPOSE:To accurately call the remote side with an easy operation by attaining a state where a picture display device can display a telephone number shown in a dial signal and a picture shown in a reproduced video signal. CONSTITUTION:A display signal Dd showing a telephone number and a reproduced video signal Vv showing a picture like a face, etc., are called out together with either one of remote sides which are stored in a memory 35. Under such conditions, a switch 39 connected a memory control part 37 is turned on. As a result, the telephone number and a picture like a face, etc., of each of plural remote sides are displayed. Then a specific remote side is accurately called just by a single operation of a prescribed switch.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a mobile radio telephone device that is installed in a vehicle and used for communication by transmitting and receiving audio signals and video signals.

(Prior Art) A public car telephone system, which is a type of mobile radio communication system, is used to communicate between a vehicle equipped with a mobile radio telephone device and a public telephone subscriber or another vehicle equipped with a mobile radio telephone device. Telephone calls can be made via a local radio station whose service area includes the location where the vehicle is traveling, but this technology has developed significantly in recent years, and as a result, mobile radio stations installed in vehicles have Telephone devices are rapidly becoming popular. In public car telephone systems, the form of communication is to transmit and receive voice signals, and it is common for calls to be made only by voice. other,
Taking advantage of wireless communication, the communication form is one that sends and receives video signals in addition to audio signals, making it possible to make calls using audio and images. Efforts are also being made to put a system that takes the form into practical use.

The mobile radio telephone equipment installed in a vehicle to form such a public automobile telephone system is a system in which only voice calls are made, and a transmitting/receiving antenna attached to the body of the vehicle, for example, A transmitting/receiving unit installed in the trunk of the vehicle and connected to the transmitting/receiving antenna, a cradle installed near the driver's seat in the vehicle interior and connected to the transmitting/receiving unit via a cable, and a cradle connected to the cradle via an elastic cord. The device is configured with a handset as a main component, which is connected to the cradle and can be placed in a cradle and removed from the cradle, and also forms a system in which voice and image calls are carried out. Yes,
In addition to the above-mentioned components, the main components include a video camera device and an image display device connected to the cradle.

(Problem B to be Solved by the Invention) In a mobile radio telephone device installed in a vehicle as described above, a dial key switch unit that is operated according to the telephone number of the other party in order to call the other party in a call, Although a handset is usually provided, it is very difficult for a vehicle driver to operate the dial key switch section while driving the vehicle in accordance with the telephone number of the person to call. Therefore, it has been considered to reduce the number of operations on the dial/key switch section by providing a so-called speed dial function. If you do not accurately memorize the telephone number of the other party and the corresponding abbreviated number, it will be inconvenient to use, and the frequency of so-called wrong calls will increase, resulting in calling the other party you did not intend. There is a disadvantage that results in an increase.

These problems are equally common in mobile radio telephone devices that form a system in which calls are made only by voice, and in the case of mobile radio telephone devices that form a system in which calls are made by voice and image. It is something that happens.

In view of the above, the present invention is intended to be installed in a vehicle and used for voice and image calls, and to accurately memorize the telephone number or abbreviated number of the other party when the other party calls in the call. It is an object of the present invention to provide a mobile radio telephone device which can be operated accurately and with extremely ease without requiring the following.

(Means for Solving the Problems) In order to achieve the above-mentioned object, a mobile radio telephone device according to the present invention includes an audio input unit including a microphone and an audio signal transmission processing circuit connected to the microphone, and a speaker and an audio signal transmission processing circuit connected to the audio input unit. an audio output section including a received audio signal processing circuit; an image input section including an imaging device and a video signal transmission processing circuit connected thereto; and an image output section including an image display device and a received video signal processing circuit connected thereto. The transmission audio signal obtained from the audio input section and the transmission video signal obtained from the image input section are transmitted through an antenna installed in the vehicle, and the received audio signal and the received video signal received through the antenna are respectively transmitted to an audio output section. and a transmitting/receiving section that supplies the image output section, a dialing signal generating section that emits a dialing signal, a transmitting dialing signal forming section that generates a transmitting dialing signal that is sent out through the transmitting/receiving section in response to the dialing signal, and a dialing signal. and a reproduced video signal representing an image of the other party corresponding to the telephone number represented by the dial signal obtained through the image output unit, and a memory unit that reads the dial signal and the reproduced video signal from the memory unit and outputs the image. and an image display control section that supplies the image to the image display device in the image display device and causes the image display device to display the telephone number represented by the dial signal and the image represented by the reproduced video signal.

(Function) In the mobile radio telephone device according to the present invention configured as described above, for each of the other parties in a call, a dial signal corresponding to the telephone number of the other party is emitted from the -degree dial signal generating section. When the call status with the other party is established, the dial signal corresponding to the other party's telephone number and the reproduced video signal representing the image related to the other party are stored in the memory section as appropriate, and for subsequent calls. The image display control section reads out the dial signal and the reproduced video signal stored therein from the memory section and supplies them to the image display device in the image output section, and the image display device reads out the telephone number represented by the dial signal and the reproduced video signal. As a result, the other party's call is displayed according to the image displayed on the image display device in the image output section.
For example, this can be done by simply operating a predetermined switch once.

Therefore, according to the mobile radio telephone device according to the present invention, when making a call using voice and image, it is extremely easy to call the other party in the call without having to accurately memorize the telephone number or abbreviated number of the other party. This can be done accurately with simple operations.

(Embodiment) FIG. 1 shows an example of a mobile radio telephone device according to the present invention.

In this example, microphone 11 and speaker 1
A handset 14 is provided with a dial/key switch section 13 and a dial/key switch section 13 built therein. An audio signal transmission processing circuit 15 is connected to the microphone II to form an audio input section, and a speaker 12
A received audio signal processing circuit 17 is connected via an adder circuit 16 to form an audio output section. Further, the dial key switch section 13 is connected to a control unit 20 via an adding circuit 18 and also to a number display signal forming circuit 19.

Furthermore, a video camera device 21 and a display device 22
The video camera device 21 is connected to a video signal transmission processing circuit 23 to form an image input section, and the display device 22 is connected to a video signal transmission processing circuit 23 to form an image input section. A signal processing circuit 26 is connected to form an image output section. The video camera device 2■ is also connected to a switch 25. moreover,
The display device 22 is provided with a touch panel switch mechanism 27 configured with a transparent electrode plate 27P that covers the display screen, and the touch panel switch mechanism 27 is connected to the adder circuit 18 via a dial signal forming circuit 28. has been done. Such a touch panel switch mechanism 27 is, for example, a display device 2.
2 is configured using a cathode ray tube, as shown in FIG. It is assumed that the

Audio signal transmission processing circuit 15 and video signal transmission processing circuit 2
The respective output terminals of 3 are connected to a pair of input terminals of the audio/video signal synthesis circuit 29, respectively, and the audio/video signal synthesis circuit 2
The output terminal of 9 is connected to the transmitting/receiving common unit 32 via the adding circuit 31.
It is connected to the.

Furthermore, a pair of output terminals of an audio/video signal separation circuit 30 are connected to the input terminals of the received audio signal processing circuit 17 and the received video signal processing circuit 26, respectively. is connected to the transmitting/receiving common unit 32. The transmitting/receiving common unit 32 includes a transmitting/receiving antenna 33.
is connected.

These audio/video signal synthesis circuits 29. Audio/video signal separation circuit 30. Addition circuit 31. The transmitting/receiving unit 32 and the transmitting/receiving antenna 33 together form a transmitting/receiving unit. Received video signal processing circuit 26 and switch 24
An adder circuit 34 . is connected in parallel with the switch 25 . A memory 35 and a buffer memory 36 are connected in series. The adder circuit 34 is formed with an output terminal of the number display signal forming circuit 19, and the memory 35 is formed with a switch 38.
and 39 are connected, and the memory control unit 37 controls the writing and reading states of the memory 35 in accordance with the operations of the switches 38 and 39.

The control unit 20 is connected to the addition port i16 via the bell sound signal forming circuit 40, and is also connected to the addition circuit 31, and is further connected to the audio signal transmission processing circuit 15. Reception audio signal processing circuit 17° video signal transmission processing circuit 23.
It is connected to the switch 24 and the consultation video signal processing circuit 26, and controls each of them.

Under such circumstances, in order to make a call, when the dial key switch unit 13 provided in the handset 14 is operated according to the telephone number of the other party in order to call the other party, the dial key switch unit I3 sends a message to the other party. A dial signal Sd corresponding to the telephone number is sent out and supplied to the control unit 20 through the adding circuit 18. Upon receiving the dial signal Sd, the control unit 1-20 forms a transmission dialing signal Td in accordance with the dial signal Sd, and supplies it to the transmitting/receiving unit 32 through the adding circuit 31. The transmission dialing signal Td supplied to the transmitting/receiving unit 32 is then sent out from the transmitting/receiving antenna 33. Further, the dial signal Sd corresponding to the telephone number of the other party from the dial key switch unit 13 is also supplied to the number display signal forming circuit 9, and the number display signal forming circuit 19
forms a display signal Dd representing the telephone number of the other party in response to the dial signal Sd, and adds it to the addition circuit 34.
It assumes the state to be sent to.

When the sent out transmission dialing signal Td is received by the other party's telephone device and the communication state is set to 1, the audio signal Sa from the microphone 11 built in the handset 14 is transmitted to the control signal C1 from the control unit 20. As a result, a transmission audio signal Ta is obtained from the audio signal transmission processing circuit 15, and a video signal S from the video camera device 21 is
v is subjected to processing such as modulation in a video signal transmission processing circuit 23 controlled by a control signal C2 from the control unit 20, and as a result, a transmission video signal Tv is obtained from the video signal transmission processing circuit 23. .

The transmitted audio signal Ta from the audio signal transmission processing circuit I5 and the transmitted video signal Tv from the video signal transmission processing circuit 23 are as follows.
The signals are synthesized in the audio/video signal synthesis circuit 29 and sent out from the transmitting/receiving antenna 33 via the adding circuit 31 and the transmitting/receiving unit 32 as a call signal.

At the same time, a call signal from the other party is received by the transmitting/receiving antenna 33, and is supplied to the audio/video signal separation circuit 30 via the transmitting/receiving unit 32.

2. The call signal from the other party supplied to the audio/video signal separation circuit 30 is separated into a received audio signal Ra and a received video signal Rv. The received audio signal Ra from the audio/video/signal separation circuit 30 is the control signal C3 from the control unit 20.
The received audio signal processing circuit 17 receives processing such as demodulation, and as a result, the received audio signal processing circuit 1
A reproduced audio signal Aa is obtained from the adder circuit 1.
A speaker 12 built into the handset 14 through 6
The other party's voice can be obtained from the speaker 12. In this case, the received audio signal processing circuit L7 supplies the received signal Cr to the control unit 20 in response to being supplied with the received audio signal Ra, and the control unit 20 supplies the switch control signal Cs in response to the received signal Cr. The signal is supplied to the switch 24 to cause the switch 24 to take a state in which the signal from the switch 25 is supplied to the display device 22. In addition, the switch 25 is assumed to be in a state in which the signal from the received video signal processing circuit 26 is supplied to the switch 24 in such a case.

On the other hand, the received video signal Rv from the audio/video signal separation circuit 30 is subjected to processing such as demodulation in the received video signal processing circuit 26 controlled by the control signal C4 from the control unit 20, and as a result, the received video signal Rv is processed A reproduced video signal Vv is obtained from the circuit 26, and it is sent to the switches 25 and 2.
4 to the display device 22, and in the display device 22, the reproduced video signal Vv represents,
For example, an image related to the other party, such as the other party's face, is displayed. The reproduced video signal Vv obtained from the received video signal processing circuit 26 is also supplied to an adder circuit 34, where it is combined with the display signal Dd from the number display signal forming circuit 19 and stored in the memory 35. Supplied.

In this way, a state is established in which a telephone conversation is carried out with the other party using voice and images, but when the switch 38 connected to the memory control unit 37 is turned on by the party during such a telephone conversation, The memory control unit 37 supplies the write signal Sw to the memory 35, whereby the reproduced video signal Vv from the adder circuit 34 and the display signal Dd are written and stored in the memory 35. That is, the telephone number of the other party of the call at that time is stored in the memory 35 as a display signal D.
d and a reproduced video signal Vv representing an image related to the other party, such as the other party's face, are written.

The writing of the display signal Dd representing the telephone number of the other party and the reproduced video signal Vv representing an image of the other party such as the other party's face in the memory 35 is called up by operating the dial/key switch section 13. The process is repeated for each of the parties to a plurality of calls, and therefore, the memory 35 stores a display signal Dd representing the telephone number of the other party and an image of the other party, such as the face of the other party, in the memory 35. Video signal V
v will be stored.

Thereafter, when one of the call parties whose display signal Dd representing a telephone number and reproduced video signal Vv representing an image such as a face is stored in the memo 1J35 is called to make a call, the memory control 5 A switch 39 connected to the section 37 is turned on.

In addition, in such a case, the switch 24 is connected to the control unit 2.
Since the switch control signal Cs from 0 is not supplied, the signal from the buffer memory 36 is not supplied to the display device 2.
2.

When the switch 39 is turned on, the memory control unit 37
supplies a readout signal Sr to the memory 35, thereby reading from the memory 35 a display signal Dd representing the telephone number of the other party and an image related to the other party such as the other party's face, written in the memory 35. All of the reproduced video signal (V) representing the playback image is read out and stored in the buffer memory 36, and is supplied from the buffer memory 36 to the display device 22 through the switch 24. Thereby, in the display device 22, based on each display signal Dd and each reproduced video signal V, the telephone number of the other party and an image related to the other party, such as the other party's face, are displayed for each of the plurality of call parties. Is displayed. Such a display is shown in Example 6. For example, in the case where there are nine parties
As shown in the figure, each party has a display device 22.
This is done by allocating one of the plurality of sections on the display screen.

Then, from among the plurality of parties displayed on the display device 22, the party to whom the call should be made is selected, and the transparent electrode plate body 27P of the touch panel switch mechanism 27, which covers the display screen of the display device 22, is selected. , a finger or the like is brought into contact with a portion of the display screen of the display device 22 that corresponds to the section in which the selected partner is displayed. Thereby, a detection output signal Pt corresponding to the position touched by a finger or the like on the transparent electrode plate body 27P is sent out from the touch panel switch mechanism 27, and is supplied to the dial signal forming circuit 28. In response to the supplied detection output signal Pt, the dial signal forming circuit 28 displays the display on the display screen of the display device 22 corresponding to the position of the transparent electrode plate 27P touched by a finger or the like. A dial signal Sd' corresponding to the telephone number of the other party, that is, the selected other party, is generated and supplied to the control unit 2o through the adding circuit 18.

Thereby, the dial signal Sd obtained by operating the dial/key switch section 3 is supplied to the control unit 20, as described above.
The other party of the call is called based on "d", and then the call state is established. Then, the call is started, and the received audio signal Ra obtained from the audio/video signal separation circuit 30 is sent to the received audio signal processing circuit 17. When it is in a state where it is supplied,
The switch control signal Cs from the control unit 20 is supplied to the switch 24, and the switch 24 is switched to a state where the signal from the switch 25 is supplied to the display device 22, so that the display device 22
Playback video signal V obtained from the received video signal processing circuit 26
A state is entered in which image display is performed based on v.

Note that when the switch 25 is switched from a state in which a signal from the received video signal processing circuit 26 is supplied to the switch 24 to a state in which a signal from the video camera 21 is supplied to the switch 24, the display device 22 Image display is performed based on the video signal Sv obtained from 21.

Further, when a dialing signal from the other party is received through the transmitting/receiving antenna 33, the received signal C? is supplied from the received audio signal processing circuit 17 to the control unit 20?
is used to notify the reception of a dialing signal, and in response, the control unit 20 sends a command signal cb to the bell sound signal forming circuit 40. Thereby, the bell sound signal forming circuit 40 forms a bell sound signal sb in response to the command signal cb, and supplies it to the speaker 12 built in the handset 14 through the adding circuit 16. As a result, a ringing bell sound is obtained from the speaker 12.

(Effects of the Invention) As is clear from the above explanation, when the mobile radio telephone device according to the present invention is installed in a vehicle and used for voice and image communication, it is possible to For each of the above, when a dialing signal corresponding to the telephone number of the other party is emitted from the dialing signal generating section and a telephone conversation is established with the other party, the dialing signal corresponding to the telephone number of the other party and the dialing signal corresponding to the telephone number of the other party are A reproduced video signal representing an image related to the image is stored in the memory section as appropriate, and when the next call is made, the image display control section reads out the stored dial signal and the reproduced video signal from the memory section and outputs the image. The telephone number represented by the dial signal and the image represented by the reproduced video signal can be displayed as images on the image display device. According to the image display on the image display device, the operation is extremely easy, for example, by only operating a predetermined switch once, and does not require accurate memorization of the telephone number or abbreviated number of the other party. This can be done accurately.

[Brief explanation of drawings]

FIG. 1 is a block configuration diagram showing an example of a mobile radio telephone device according to the present invention, FIG. 2 is a perspective view showing the mutual relationship between an example of the display device and touch panel switch mechanism in the example shown in FIG. 1, and FIG. The figure is a diagram showing an image display state on the display device in the example shown in FIG. 1. In the figure, 11 is a microphone, 12 is a speaker, 13 is a dial/key switch section, 14 is a handset, 15
17 is a receiving audio signal processing circuit; 19 is a number display signal forming circuit; 20 is a control unit;
21 is a video camera device, 22 is a display device, 2
3 is a video signal transmission processing circuit, 26 is a reception video signal processing circuit, 27 is a touch panel switch mechanism, 29 is an audio/video signal synthesis circuit, 30 is an audio/video signal separation circuit, 32
is a transmitting/receiving common unit, 33 is a transmitting/receiving antenna, 35 is a memory,
37 is a memory control section.

Claims (1)

[Scope of Claims] An audio input unit including a microphone and an audio signal transmission processing circuit connected to the microphone; an audio output unit including a speaker and a reception audio signal processing circuit connected to the speaker; an image input section including a video signal transmission processing circuit connected to the imaging device; an image output section including an image display device and a received video signal processing circuit connected to the image display device; and a transmission obtained from the audio input section. An audio signal and a transmitted video signal obtained from the image input section are transmitted through an antenna provided on the vehicle, and a received audio signal and a received video signal received through the antenna are sent to the audio output section and the image output section, respectively. a dialing signal generating section that generates a dialing signal; a transmitting dialing signal forming section that generates a transmitting dialing signal that is sent out through the transmitting and receiving section in response to the dialing signal; a memory section in which a reproduced video signal representing an image of the other party corresponding to the telephone number represented by the dial signal obtained through the image output section is stored; an image display control unit that supplies the image display device to an image display device and causes the image display device to display a telephone number represented by the dial signal and an image represented by the reproduced video signal; Telephone device.