JP3142266B2 - Emergency call system terminal equipment and emergency call system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a center mounted on a vehicle such as an automobile for controlling an emergency call system such as a police station or a fire department in an emergency such as a traffic accident or sudden illness (hereinafter referred to as an emergency call center). The present invention also relates to an emergency call system terminal device and an emergency call system for transmitting data on a vehicle such as current vehicle position information and a registration number.

[0002]

2. Description of the Related Art Conventionally, there has been known an emergency notification system terminal device which is mounted on a vehicle such as an automobile and performs a telephone call processing to an emergency notification center via a base station of a communication carrier. In an emergency call system, in an emergency, the control unit sends data on the vehicle to the emergency call center via the emergency call communication means based on a signal from the emergency call transmission button pressed by the user or a sensor for detecting an accident. report.

[0003]

However, the conventional emergency call system terminal device prepares all data to be transmitted to the emergency call center in a format defined between the emergency call system terminal device and the emergency call center. If all data cannot be acquired or generated at the time of emergency call transmission, there is a problem that a transmission error occurs.

[0004] The present invention is to solve such problems in the prior art, and when an emergency call is made,
It is an object of the present invention to provide an emergency call system terminal device and an emergency call system capable of making a call even if all of the transmission data are not available.

[0005]

In order to solve the above-mentioned problems, an emergency call system terminal device according to the present invention provides a method for transmitting data specified by a data format out of transmission data to be sent to an emergency call center. In addition, by generating the data that cannot be generated as undefined data, it is possible to make an emergency call to the emergency call center even if all the transmission data is not available.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention provides the center to the emergency when an emergency occurs.
In a predetermined format consisting of multiple data
Emergency call system terminal that sends specified transmission data
In the end device, a part of the transmission data is
If the data cannot be generated normally, the data that cannot be generated normally is tentatively generated as undefined data, and the undefined data is combined with the data that has been generated normally in the predetermined format.
By transmitting as the capital of the transmission data, the emergency thing
An emergency notification system terminal device characterized in that the status can be reported to the center, and has an effect that when an emergency notification is transmitted to the emergency notification center, transmission can be performed reliably even if not all transmission data is available.

[0007] According to a second aspect of the present invention, the emergency notification system terminal device according to the first aspect and the transmission from the emergency notification system terminal device are integrated with the system.
This is an emergency notification system including a center that receives data and initiates an emergency dispatch, and has an effect that when an emergency occurs, an emergency call can be reliably transmitted to the emergency notification center.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. (Embodiment) FIG. 1 is a block diagram showing a configuration of an emergency call system terminal device according to an embodiment of the present invention.
In FIG. 1, reference numeral 1 denotes an emergency notification system terminal device,
It is installed in vehicles such as automobiles, and in the event of an emergency such as a traffic accident or sudden illness, the emergency call center sends the current vehicle location information,
The data of the registered vehicle is transmitted to request an emergency vehicle dispatch. Reference numeral 2 denotes a communication antenna which performs a process of transmitting a transmission signal from the emergency report communication unit 11 to the base station of the communication carrier and performs a process of outputting a reception signal from the communication carrier to the emergency report communication unit 11. . An emergency call transmission button 3 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. Reference numeral 4 denotes a GPS antenna which receives position data and time data from GPS satellites. Reference numeral 5 denotes a microphone for inputting a transmission voice signal of a user who gets on a vehicle equipped with the emergency notification system terminal device 1 when making a hands-free call. Reference numeral 6 denotes a speaker that sounds a voice signal received from the emergency call center when making a hands-free call.

In the emergency call system terminal device 1, 1
Reference numeral 1 denotes an emergency call communication means, which responds to a call request signal from the control unit 12 by using a telephone number input from the control unit 12 via a base station or the like of a communication carrier to a communication partner corresponding to the telephone number. When the call originating process is started and a call response from the other party, or a signal such as a busy signal, etc., during a call is received, it is recognized that the call has shifted to a call state, and voice call control or data communication control is performed. And outputs a signal to the control unit 12 indicating that the call has been transferred during the call to the control unit 12, and further transmits data such as the traveling direction and direction of the vehicle and the position information and the like input from the control unit 12. A process for making a call to the emergency call center corresponding to the telephone number corresponding to the telephone number via the base station of the business operator is performed.

Reference numeral 12 denotes a control unit. The control unit 12 recognizes that an emergency call request has been made based on an operation signal from the emergency call transmission button 3 and sends the current position information to the position information acquisition processing unit 14 in order to start emergency call processing. Along with outputting a signal requesting information, information such as the traveling direction and speed of the vehicle and data such as position information are input from the position information acquisition processing unit 14,
Further, the telephone number of the emergency call center is obtained from the storage unit 15, a call request is made to the emergency call contact means 11 using the telephone number, and a call corresponding to the telephone number is transmitted from the emergency call contact means 11. 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 state has shifted to the talking state, and obtains information such as the traveling direction and direction of the vehicle obtained from the position information acquisition processing unit 14. And a process of outputting a signal for transmitting data such as location information to an emergency call center, which is a communication partner corresponding to the telephone number, via a communication carrier base station or the like to the emergency call communication means 11. Do.

A gyro sensor 13 generates information such as the traveling direction and direction of the vehicle. Reference numeral 14 denotes a position information acquisition processing unit, which inputs data from the gyro sensor 13 and a vehicle speed signal from a vehicle speed sensor in response to a position information request signal from the control unit 12, and furthermore, a GPS receiver 17 outputs a GPS antenna signal. The processing of inputting data such as position information generated from the data received from the control unit 4 and outputting the input data to the control unit 12 is performed.

A storage unit 15 stores information such as the telephone number of the emergency call center, the registration number of the vehicle equipped with the emergency call system terminal 1 and the registrant, and a request signal from the control unit 12. Thus, a process of outputting information such as the telephone number of the corresponding emergency call center, the registration number of the vehicle equipped with the emergency call system terminal device 1, and the registrant is performed. Reference numeral 16 denotes a hands-free system, which has an echo cancellation function, a howling prevention function, and the like in order to perform a hands-free call between the emergency call center and a user who gets on the vehicle equipped with the emergency call system terminal device 1. Reference numeral 17 denotes a GPS receiver, which performs a process of outputting data such as position information to the position information acquisition processing unit 14 from data input from the GPS antenna 4.

Next, the operation of this embodiment will be described. In FIG. 1, at normal times other than the emergency call transmission process, the position information acquisition processing unit 14 periodically acquires the current position information of the vehicle from an external device such as a navigation device that generates position information such as longitude and latitude. Also, while inputting data from the gyro sensor 13 for generating information such as the traveling direction and direction of the vehicle, the GPS
A process for generating position information based on data received from the antenna 4 and a vehicle speed signal from a vehicle speed sensor for detecting the number of rotations of the wheels is performed.

In an emergency such as a traffic accident or sudden illness, the user presses the emergency call button 3. The emergency call transmission button 3 outputs an operation signal indicating that the button has been pressed by the user to the control unit 12. The control unit 12 outputs a signal requesting the current position information to the position information acquisition processing unit 14.
In response to the position information request signal from the control unit 12, the position information acquisition processing unit 14 inputs data from the gyro sensor 13 that generates information such as the traveling direction and direction of the vehicle, and the GPS receiver 17 4 and input data such as position information generated from the data received from
Output to the control unit 12.

The control section 12 creates data input from the position information acquisition processing section 14 into transmission data according to a predetermined data format. However, when additional data such as position accuracy data cannot be generated due to simplification of an algorithm, or when generation of data such as position information fails, the position information acquisition processing unit 1
If all data cannot be created according to the prescribed data format, for example, when data cannot be normally received from No. 4, the unsuccessfully created data is regarded as undefined data, for example, "00h" or "FFh" in hexadecimal notation. And assemble it into the specified transmission data format together with the data that has been successfully created. The undefined data is determined in advance between the emergency notification system terminal device and the emergency notification center.

Subsequently, the control unit 12 obtains the telephone number of the emergency call center from the storage unit 15 and makes a call request such as a telephone call to the emergency call contact means 11 using the telephone number. The emergency notification means 11 is a communication antenna 2
To start a telephone call process to the other party corresponding to the telephone number via the base station of the communication carrier. When receiving an outgoing call response from the other party or a signal such as a busy signal that shifts to a busy state, the emergency call notification unit 11 recognizes that the state has shifted to the talking state, and shifts to voice call control or data communication control. At the same time, it outputs a signal to the control unit 12 to notify that the call has been transferred. The control unit 12 determines that the call is successful, and obtains information such as the traveling direction and direction of the vehicle obtained from the position information acquisition processing unit 14,
And transmitting the transmission data including the data such as the position information and the undefined data to the emergency call center corresponding to the telephone number corresponding to the telephone number via the base station of the communication carrier.

Subsequently, when the control section 12 terminates the data communication processing for the emergency call center, the control section 12 shifts to a voice call through the hands-free system 16. When shifting to a voice call, the voice signal received from the emergency call notification means 11 is subjected to processing such as echo cancellation by the hands-free system 16 and output as voice from the speaker 6. The audio signal input from the microphone 5 is subjected to processing such as echo cancellation by the hands-free system 16, and is output to the emergency call communication means as a transmission audio signal. At the time of a voice call, a voice call is made between the user and the operator of the emergency call center, and a report such as an accident situation is executed by voice.

[0018]

As is apparent from the above description, the terminal device of the emergency call system according to the present invention provides a security device in the event of an emergency.
Data from the emergency situation
Transmission data specified in a predetermined format
Emergency call system terminal equipment to send Some of the data sent to the emergency call center
If you can not properly generated, tentatively it generates data that can not be normally generated as undefined data, with the predetermined format data which can generate the undefined data <br/> normally
By transmitting as transmission data, it is possible to make an emergency call to the emergency call center even if not all the transmission data is available.

[Brief description of the drawings]

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

[Description of Signs] 1 Emergency call system terminal device 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

Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) G08B 25/08 G08B 25/10 B60R 9/00-11/06 H04M 1/00-11/04 H04B 7/24 G06F 3 / 00

Claims (2)

(57) [Claims] (1) When an emergency occurs, the center is
A predetermined form of emergency data
Emergency call to send the transmission data specified in the mat
In the system terminal device, a part of the transmission data
If the data cannot be generated normally, the data that cannot be generated normally is temporarily generated as undefined data.
With data that could be generated normally defined data of the predetermined
By sending as format transmission data ,
An emergency notification system terminal device capable of notifying the emergency to the center . 2. An emergency call system comprising: the emergency call system terminal device according to claim 1; and a center that supervises the system and receives the transmission data from the emergency call system terminal device and activates an emergency dispatch. system.