JP2000216916A - Emergency information system terminal equipment and emergency information system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attain handsfree telephone call, even if one of speakers for handfree is disconnected in an emergency information system terminal equipment loaded on a vehicle for transmitting the data of the present position information of a vehicle and registered vehicles to a police or a center for controlling an emergency information system, such as an emergency information center in emergency such as a traffic accident or acute illness. SOLUTION: This emergency information system terminal equipment is provided with an emergency information communicating means 11 for calling an emergency information center via the base station of a communication enterpriser, a control part 12 for transmitting the data of the information of the traveling direction, direction, and position of a vehicle to an emergency information center, a handsfree system 16 for operating echo cancel or gain control for realizing handsfree telephone call, two speakers 6, and one or two microphones 5. Thus, even if one speaker 6 is broken, telephone call can be realized by the other speaker.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is mounted on a vehicle such as an automobile, and is used in an emergency such as a traffic accident or sudden illness.
Emergency call system such as an emergency call center The current vehicle position information to a center that has jurisdiction over the emergency call system, regarding emergency call system terminal equipment that transmits data such as registered vehicles, particularly,
The present invention relates to an emergency call system terminal device and an emergency call system capable of performing a hands-free call between the center and a user riding in a vehicle equipped with the emergency call system terminal device.

[0002]

2. Description of the Related Art Conventionally, in the event of an emergency, the telephone is mounted on a vehicle such as an automobile and makes a telephone call via a base station of a telecommunications carrier to a center having jurisdiction over an emergency call system such as a police station or an emergency call center. 2. Description of the Related Art There is known an emergency call system terminal device provided with an emergency call communication means for performing processing.

[0003]

However, the conventional emergency call system terminal equipment includes a center that has jurisdiction over the emergency call system, such as a police station and an emergency call center, and a vehicle that mounts the emergency call system terminal equipment. When making a hands-free call between persons, one speaker that sounds a received voice is provided, and the sound processing is performed by the one speaker. For this reason, when the one speaker is damaged due to an accident or the like, there is a problem that hands-free voice communication becomes impossible.

The present invention has been made to solve the above-mentioned problems in the prior art. In an emergency call system capable of hands-free voice communication during an emergency call, one of the speakers is damaged due to a traffic accident or the like. Even in this case, it is an object of the present invention to provide an emergency call system terminal device and an emergency call system capable of hands-free communication.

[0005]

In order to solve the above-mentioned problems, an emergency call system terminal device of the present invention is provided as a speaker used for hands-free voice communication at the time of an emergency call. By providing two or more speakers that make a sound, even if one of the speakers is damaged due to a traffic accident or the like, it is possible to make a sound from the other speaker.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is a two-way audio system between a center having jurisdiction over an emergency call system and a user who gets on a vehicle equipped with an emergency call system terminal device. An emergency call including a hands-free system that performs processing including echo cancellation and gain control on a transmitted and received voice signal of a call, and two or more speakers that sound a received voice signal from a center that controls the emergency notification system. System terminal equipment,
By having two or more speakers used for the hands-free call, even if one speaker is damaged due to a traffic accident or the like, a hands-free call is realized by sounding a received voice signal from the other speaker. It has the effect of being able to.

According to a second aspect of the present invention, there is provided an emergency call system terminal device according to the first aspect, wherein an existing audio speaker is used as the two or more speakers. Since the audio speaker can be used, the cost can be reduced.

According to a third aspect of the present invention, there is provided an emergency call system including the emergency call system terminal device according to the first or second aspect, and a center for receiving emergency call transmission information from the emergency call system terminal device. This is a system and has an effect that an abnormal situation can be reliably reported from the emergency reporting system terminal device to the center.

An embodiment of the present invention will be described below with reference to the drawings. (Embodiment) FIG. 1 is a block diagram showing a configuration of terminal equipment in an emergency call system according to the present invention. In FIG. 1, reference numeral 1 denotes an emergency call system terminal device,
In the event of an emergency such as sudden illness, the system has a function of transmitting data such as current vehicle position information and registered vehicles to a center that has jurisdiction over the emergency call system, such as the police or an emergency call center. 2 is a communication antenna that performs a process of transmitting a transmission signal from the emergency notification communication unit 11 to a base station of a communication carrier and performs a process of outputting a reception signal from the communication carrier to the emergency notification communication unit 11; Reference numeral 3 denotes an emergency call transmission button that is pressed by a user in an emergency such as a traffic accident or sudden illness to generate an operation signal for starting transmission processing, 4 denotes a GPS antenna for receiving data from a GPS satellite, and 5 denotes a hands. A microphone for inputting a transmission voice signal of a user who gets on a vehicle equipped with the emergency call system terminal device 1 when making a free call, 6 is a police, an emergency call center, etc. Two or more speakers for sounding a voice signal received from a center that has jurisdiction over the emergency call system, and a speaker dedicated to the emergency call system may be provided. It is advisable to use a mounted existing audio speaker was.

In the emergency notification system terminal device 1, 1
Reference numeral 1 denotes an emergency call communication means, which responds to an outgoing request signal from the control unit 12 via a base station of a communication carrier based on the telephone number input from the control unit 12 for a call corresponding to the telephone number. In addition to starting the telephone call processing to the other party, when receiving a call response from the other party or a signal that shifts to a busy state such as a busy signal, it recognizes that the telephone has shifted to the talking state, and performs voice call control or data communication. Along with shifting to communication control, a signal notifying that shifting has been made during a call is output to the control unit 12, and further information input from the control unit 12, such as the traveling direction and direction of the vehicle, and the position information. A process of transmitting data to a center having jurisdiction over the emergency call system, such as the police or an emergency call center corresponding to the telephone number, via a communication carrier base station or the like. It is carried out.

The control unit 12 recognizes that there has been an emergency call request from the operation signal from the emergency call transmission button 3 and sends the current position information to the position information acquisition processing unit 14 to start the emergency call process. In addition to outputting a request signal, information such as the traveling direction and direction of the vehicle, and data such as position information are input from the position information acquisition processing unit 14, and further, the emergency Acquire the telephone number of the center that controls the reporting system, make a call request to the emergency report contact means 11 using the telephone number, and send a call request from the emergency report contact means 11 to the call partner corresponding to the telephone number. If a call transition signal or a signal such as a busy signal is received, the signal is recognized as being in a call state, and is obtained from the position information acquisition processing unit 14. The information such as the traveling direction and direction of the vehicle and the data such as the position information are transmitted to the emergency call center such as the police or emergency call center corresponding to the telephone number via a base station of a communication carrier. A process for outputting a signal to be transmitted to the center that controls the reporting system to the emergency reporting unit 11 is performed.

The gyro sensor 13 detects the traveling direction of the vehicle,
Generates information such as orientation. Position information acquisition processing unit 14
Inputs data from a gyro sensor 13 for generating information such as a traveling direction and a direction of a vehicle in response to a position information request signal from the control unit 12;
7 inputs data such as position information generated from data received from the GPS antenna 4, and further inputs data such as the traveling direction and direction of the vehicle input from the gyro sensor 13 and the position input from the GPS receiver 17. A process of outputting data such as information to the control unit 12 is performed.

The storage unit 15 stores information such as a telephone number of a center that has jurisdiction over the emergency call system such as a police station or an emergency call center, a registration number of a vehicle equipped with the emergency call system terminal device 1, and a registrant. At the same time, according to the request signal from the control unit 12, the corresponding telephone number of the center that has jurisdiction over the emergency call system such as the police and emergency call center, and the registration number of the vehicle equipped with the emergency call system terminal device 1, And processing for outputting information such as the registrant.

A hands-free system 16 is used for making a hands-free call between a center having jurisdiction over the emergency call system, such as a police station or an emergency call center, and a user who rides in a vehicle equipped with the emergency call system terminal device 1. It has an echo canceling function for transmitting and receiving audio signals, a howling prevention function, and a speaker amplifier. The GPS receiver 17 converts data such as position information from the data input from the GPS antenna 4 into the position information acquisition processing unit 14.
Perform processing to output to.

Next, the operation of the above embodiment will be described. In FIG. 1, the user presses the emergency call button 3 in an emergency such as a traffic accident or sudden illness. The emergency call transmission button 3 outputs, to the control unit 12, an operation signal indicating that the button has been pressed by a user's pressing operation. Control unit 12
Recognizes that there is an emergency call request from the operation signal from the emergency call transmission button 3 and starts the emergency call process. The control unit 12 outputs a signal requesting the current position information to the position information acquisition processing unit 14. The position information acquisition processing unit 14 inputs data from the gyro sensor 13 for generating information such as the traveling direction and the direction of the vehicle in response to the position information request signal from the control unit 12, and the GPS receiver 17 Data such as position information generated from data received from the antenna 4 is input. Further, the position information acquisition processing unit 14 outputs to the control unit 12 data such as the traveling direction and direction of the vehicle input from the gyro sensor 13 and data such as position information input from the GPS receiver 17. The control unit 12 obtains, from the storage unit 15, a telephone number of a center that has jurisdiction over the emergency call system, such as a police station or an emergency call center, and requests the emergency call communication unit 11 to make a call using the telephone number. I do. Using the communication antenna 2, the emergency call notification unit 11 starts a telephone call process to a call partner corresponding to the telephone number via a base station of a communication carrier. Further, when receiving an outgoing call response from the other party or a signal that shifts to a busy state, such as a busy signal, the emergency call notification unit 11 recognizes that the state has shifted to the talking state, and performs voice communication control or data communication control. And a signal notifying that the transition has been made during the call is transmitted to the control unit 1.
Output to 2. The control unit 12 determines that the call is successful, and transmits the information such as the traveling direction and the direction of the vehicle obtained from the position information acquisition processing unit 14 and the data such as the position information to a base station of a communication carrier. And transmitting the call to a center having jurisdiction over the emergency call system, such as the police or emergency call center corresponding to the telephone number, via the telephone.

The control unit 12 further transmits the data such as the traveling direction and direction of the vehicle obtained from the position information acquisition processing unit 14 and the data such as the position information to a center which controls the emergency notification system. After processing,
A voice call is performed between a center that controls the emergency call system and a user who gets on a vehicle equipped with the emergency call system terminal device 1. In the case of a voice call, a voice signal received from a center that controls the emergency call system is output to the hands-free system 16 via the emergency call communication means 11. In the hands-free system 16, the received audio signal is subjected to signal processing such as howling control and echo cancellation control, and is output to two or more speakers 6 via a speaker amplifier. Each speaker 6 performs a process of sounding an audio signal output from the hands-free system 16. Further, the voice of the user is obtained by the microphone 5 as the transmission voice signal. The microphone 5 converts a voice from the user into a transmission voice signal and outputs the signal to the hands-free system 16. The hands-free system 16 performs signal processing such as howling control and echo cancellation control on the received voice signal, and outputs the processed signal to the center responsible for the emergency notification system via the emergency notification communication means 11.

As the existing two or more audio speakers 6 mounted on the vehicle, the following embodiments are possible. (1) An audio speaker with a built-in right front door and an audio speaker with a built-in left front door are used. (2) An audio speaker with a built-in right rear door and an audio speaker with a built-in left rear door are used. (3) An audio speaker with a built-in right front door and an audio speaker with a built-in right rear door are used. (4) An audio speaker with a built-in left front door and an audio speaker with a built-in left rear door are used. (5) An audio speaker with a built-in right front door and an audio speaker with a built-in left rear door are used. (6) An audio speaker with a built-in left front door and an audio speaker with a built-in right rear door are used. (7) An audio speaker built in the right rear of the rear seat and an audio speaker built in the left rear of the rear seat are used. (8) An audio speaker built in the right front door and an audio speaker built in the right rear of the rear seat are used. (9) An audio speaker built in the left front door and an audio speaker built in the rear left portion of the rear seat are used. (10) An audio speaker built in the right front door and an audio speaker built in the left rear of the rear seat are used. (11) An audio speaker built in the left front door and an audio speaker built in the right rear of the rear seat are used. (12) A plurality of speaker amplifiers are built in the hands-free system 16, and one speaker is connected to each of them. (13) One speaker amplifier is built in the hands-free system 16, and two or more speakers 6 are connected in parallel to this speaker amplifier. (14) One speaker amplifier is built in the hands-free system 16, and two or more speakers 6 are connected in series to this speaker amplifier.

As described above, according to the present embodiment, by providing two or more speakers for hands-free communication, even if one speaker is damaged due to a traffic accident or the like, reception from the other speaker is possible. By making a sound of a voice signal, a hands-free call can be realized.

In the above embodiment, two speakers 6 and one microphone 5 are used. However, since the speakers are generally fragile, only two speakers 6 are used.
Similarly, two microphones 5 may be used. Even if one microphone 5 is damaged, a hands-free call can be realized using the other microphone 5.

[0020]

As is clear from the above description, according to the present invention, in the event of an emergency such as a traffic accident or sudden illness, the current position information of the vehicle is provided to a center that has jurisdiction over an emergency call system such as a police station or an emergency call center. When automatically transmitting data of registered vehicles, etc., one speaker was damaged due to a traffic accident, etc. by simultaneously sounding two or more speakers that sound the received signal during a hands-free call. Even in this case, it is possible to make a sound from the other speaker, so that it is possible to make the sound received from the emergency call center sound.

[Brief description of the drawings]

FIG. 1 is a block diagram of an emergency call system terminal device according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Emergency call system terminal equipment 2 Communication antenna 3 Emergency call transmission button 4 GPS antenna 5 Microphone 6 Speaker 11 Emergency call communication means 12 Control unit 13 Gyro sensor 14 Position information acquisition processing unit 15 Storage unit 16 Hands-free system 17 GPS receiver

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5C087 AA02 AA37 AA44 BB12 BB46 BB64 DD01 DD13 EE07 FF23 5K027 AA06 AA16 BB04 CC08 HH03 5K101 KK14 LL12 MM07 NN32 NN36 NN37

Claims (3)

[Claims] 1. An echo cancellation and gain control for a transmission / reception voice signal of a two-way voice call performed between a center having jurisdiction over an emergency call system and a user riding a vehicle equipped with an emergency call system terminal device. An emergency call system terminal device comprising: a hands-free system for performing a process including a call; and two or more speakers for sounding a voice signal received from a center having jurisdiction over the emergency call system. 2. The emergency notification system terminal device according to claim 1, wherein an audio speaker already installed in the vehicle is used as the two or more speakers. 3. An emergency call system comprising: the emergency call system terminal device according to claim 1; and a center for receiving emergency call transmission information from said emergency call system terminal device.