JPH08274680A - Communication equipment on vehicle - Google Patents

Abstract

PURPOSE: To extend the use range by communicating voice and pictures to improve the accuracy or communication contents and not only performing communication between vehicles but also receiving other information like road information. CONSTITUTION: A voice input part 1 for voice input, a picture input part 2 for picture input, a transmission part 3 which transmits voice and pictures as a radio signal, a reception part 4 which receives the radio signal from the outside and outputs it as voice and pictures, a voice output part 5 which outputs the received voice, and a picture output part 6 which outputs received pictures are provided. The equipment consists of a control part 7 for control of parts 1 to 6 and a switch part 8 which selects transmission and reception through the control part 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication device mounted on a vehicle such as an automobile.

[0002]

2. Description of the Related Art When a plurality of vehicles are taken out by car, a transceiver is sometimes carried as a vehicle-mounted communication device in order to communicate with each other. Then, quickly catch the front road condition from the preceding car to the rear car (for example, caution of landslide due to landslide on mountain road) and the rear road condition from the rear vehicle to the front car (for example, sudden approach of large vehicle) to other cars. The communication enables the driver of another vehicle to respond promptly and contributes to safe driving. Further, a wireless device in which a transceiver and a radio receiver are combined is also known (for example, see Japanese Patent Laid-Open No. 4-271939).

[0003]

By the way, such a transceiver is a communication device for transmitting only voice, and the intended content is accurate depending on the difference in how the sender and the receiver receive or feel the above-mentioned state. There is a problem that is not transmitted to the other party. In addition, such a transceiver has a problem that it can be used only for communication only between those who own the transceiver, or that it has a low utility value for listening to a radio broadcast. The present invention aims to provide an in-vehicle communication device aimed at improving the accuracy of communication contents and expanding the range of use, focusing on such problems of the conventional in-vehicle communication device.

[0004]

In order to solve the above problems, the present invention is mounted on a vehicle and has a voice input unit for inputting voice, a video input unit for inputting video, and the voice and the video are wirelessly transmitted. A transmission unit for transmitting the signal, a reception unit for receiving a wireless signal from the outside and outputting it as audio and video, and an audio output unit for outputting the received audio,
A video output unit that outputs the received video, a control unit that controls these units, a switch unit that selects the transmission and the reception via the control unit, a control unit that controls these units, and the control And a switch unit for selecting the transmission and the reception via a unit.

According to the present invention, the external radio signal is a voice and video radio signal transmitted from another vehicle,
Alternatively, it is characterized in that it is a radio signal of audio and video showing the road condition transmitted from a monitoring device attached to the road in order to inform a vehicle in a certain range of the road condition.

[0006]

By performing communication using voice and video, the accuracy of the communication content is improved, and the range of use is expanded by receiving not only vehicle-to-vehicle communication but also road information.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A vehicle-mounted communication device of the present invention will be described below with reference to the embodiments of the accompanying drawings. 1 and 2 are the first embodiment and FIG.
Shows the second embodiment.

In the circuit block diagram of FIG. 1, 1 is a voice input unit for inputting voice, 2 is a video input unit for inputting video, 3 is a transmitting unit for transmitting the voice and the video as radio signals, and 4 is A receiving unit that receives a wireless signal from the outside and outputs it as audio and video, 5 is an audio output unit that outputs the received audio, 6 is a video output unit that outputs the received video, and 7 is each of these units. A control unit for controlling 1 to 6 and a switch unit 8 for selecting the transmission and the reception via the control unit 7, which constitute the in-vehicle communication device A.

[0009] Specifically, in the vehicle-mounted communication device A mounted on the vehicle, the audio input unit 1 including a small microphone built in or independent such as a headset, and the video input unit 2 including a CCD camera are used. The input video,
A radio signal having a predetermined frequency is transmitted from the transmission unit 3 including a signal conversion circuit and an antenna via the control unit 8.

Further, the wireless signal received by the receiving unit 4 including an antenna (which can also be used as the antenna of the transmitting unit 3) for receiving a wireless signal of the surroundings and a signal conversion circuit is transmitted via the control unit 8 to the vehicle-mounted communication device. An LCD output from the audio output unit 5 including a speaker unit built in A or separately prepared for audio, and built in the in-vehicle communication device A or separately prepared for TV or navigation.
It is displayed as an image on the image output unit 6 including a monitor.

These controls are selectively performed as needed by the switch unit 8 including a switch, a keyboard, and other switching means.

By preparing a plurality of vehicle-mounted communication devices A,
If mounted individually in a plurality of vehicles, communication by voice and video is performed, so that the accuracy of the communication content is improved. Then, for example, the front road condition can be confirmed as an image on the display output unit 6 of the on-vehicle communication device A mounted on the rear vehicle by the image input unit 2 of the on-vehicle communication device A mounted on the preceding vehicle. When driving on a road with poor visibility and continuous continuous curves, the driver of the vehicle behind can check the image in front of the vehicle in front of him and take appropriate actions with sufficient margin. It is possible to contribute to safe driving (see FIG. 2).

Further, for example, a video image of the road is attached to a curve area of a road with poor visibility to notify vehicles in a certain range of the road condition, the radio image is constantly output as a radio signal, and a nearby road is passed as necessary. A monitoring device B that outputs a wireless signal is provided in order to notify the driver of the vehicle of the message by voice, and the wireless signal of the voice and the image indicating the road condition transmitted from the monitoring device B is mounted on the vehicle. When received by the vehicle-mounted communication device A (see FIG. 1, the same applies hereinafter), it is possible to satisfactorily drive the vehicle ahead without being affected by the dazzling effect of the headlight of the oncoming vehicle as compared with a so-called curved mirror that is currently generally installed. It is possible to recognize the road condition, and the driver of the vehicle can take appropriate processing with sufficient margin by driving while checking the video. , Can contribute to safe driving (see FIG. 3).

In this embodiment, the monitoring device B can transmit a video of a predetermined area as a radio signal, and can also transmit a voice notifying the approach of a vehicle as a radio signal. By receiving at
It is also possible to know the road condition ahead by voice output.

The vehicle-mounted communication device A uses the vehicle-mounted battery as a power source via a dedicated battery or a cigarette socket, and the audio output unit 5 and the video output unit 6 monitor general radio broadcasts and TV broadcasts, Sharing with navigation is also possible.

[0016]

The present invention is mounted on a vehicle, and includes a voice input unit for inputting voice, a video input unit for inputting video, and a transmitting unit for transmitting the voice and the video as radio signals.
A receiving unit that receives a wireless signal from the outside and outputs it as audio and video, an audio output unit that outputs the received audio, and a video output unit that outputs the received video.
A control unit that controls each of these units, and a switch unit that selects the transmission and the reception via the control unit,
Since the wireless signal from the outside is a wireless signal of audio and video transmitted from another vehicle, communication with audio and video is performed, so that the accuracy of the communication content is improved.

Further, the wireless signal from the outside is a voice and video wireless signal indicating the road condition transmitted from a monitoring device attached to the road in order to inform a vehicle in a certain range of the road condition. By receiving not only vehicle-to-vehicle communication but also road information, the range of use is expanded.

[Brief description of drawings]

FIG. 1 is a circuit block diagram of a first embodiment of the present invention.

FIG. 2 is an explanatory view explaining a method of using the embodiment.

FIG. 3 is an explanatory diagram illustrating a method of using the second embodiment of the above embodiment.

[Explanation of symbols]

 1 Audio Input Section 2 Video Input Section 3 Transmission Section 4 Reception Section 5 Audio Output Section 6 Video Output Section 7 Control Section 8 Switch Section A In-Vehicle Communication Device B Monitoring Device

Continued Front Page (72) Inventor Hitoshi Igarashi 1-1190 Fujihashi, Nagaoka City, Niigata Prefecture R & D Center, Nippon Seiki Co., Ltd.

Claims (3)

[Claims] 1. A vehicle-mounted audio input unit for inputting voice, a video input unit for inputting video, a transmission unit for transmitting the voice and the video as radio signals, and a radio signal from the outside. A receiving unit that receives and outputs the received audio and video, and an audio output unit that outputs the received audio,
An in-vehicle communication device comprising: a video output unit that outputs the received video, a control unit that controls each of these units, and a switch unit that selects the transmission and the reception via the control unit. 2. The in-vehicle communication device according to claim 1, wherein the wireless signal from the outside is a wireless signal of audio and video transmitted from another vehicle. 3. The wireless signal from the outside is a voice and video wireless signal indicating the road condition transmitted from a monitoring device attached to the road to inform a vehicle in a certain range of the road condition. The vehicle-mounted communication device according to claim 1.