JP3142263B2 - 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 mounted on a vehicle such as an automobile, and is used in an emergency such as a traffic accident or sudden illness.
The present invention relates to an emergency call system terminal device and an emergency call system for transmitting data such as current vehicle position information and registered vehicles to an emergency call center.

[0002]

2. Description of the Related Art Conventionally, an emergency call, which is mounted on a vehicle such as an automobile and performs a telephone call processing to a center having jurisdiction over an emergency call system such as a police station or an emergency call center via a base station of a communication carrier. System terminal equipment is known. 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 equipment cannot be used by connecting an externally connected device such as a car telephone at normal times other than the emergency call communication processing. In order to connect and use various externally connected devices, it is necessary to arbitrate the interface signal between the externally connected device and the emergency notification device and the interface signal between the control unit and the emergency notification device within the control unit. In addition, there is a problem that the control unit needs to be provided with many serial control signal interfaces, and control of software of the control unit becomes complicated.

The present invention has been made to solve the above-mentioned problems in the prior art, and can be used by connecting an externally connected device such as a car telephone at normal times other than the emergency call communication process. It is an object of the present invention to provide an emergency call system terminal device and an emergency call system that can perform an emergency call contact process even while a connected device is making a telephone call.

[0005]

In order to solve the above-mentioned problems, an emergency call system terminal device of the present invention comprises an interface signal between an externally connected device and an emergency call communication device, and an interface signal between a control unit and the emergency call communication device. In addition to a signal switching circuit for switching between an interface signal and an external device, when it becomes necessary to execute an emergency call notification process during a telephone call, the control unit switches the signal switching circuit to call the emergency call notification means. The control signal for terminating the communication is output, and the emergency notification communication process can be executed even while the externally connected device is making a telephone call.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is based on a signal from an emergency call transmission button or a sensor for detecting an accident which is mounted on a vehicle and pressed by a user in an emergency. In an emergency call system terminal device in which the control unit reports data on the vehicle to the emergency call center via the emergency call communication means, an external device connection interface for connecting an external connection device for telephone calls,
A signal switching circuit that switches between a signal from the external device connection interface and a signal from the control unit,
When the external connection device is connected to the emergency call notification means by the signal switching circuit and during a telephone call, when it becomes necessary to execute an emergency call notification process, the control unit switches the signal switching circuit to switch the signal switching circuit. An emergency call system terminal device which outputs a control signal for terminating a telephone call to an emergency call notification means, and connects to an external connection device such as a car telephone terminal during normal times other than the emergency call notification process. Telephone call, and when an emergency occurs, it is possible to interrupt the telephone call by the externally connected device and execute the emergency call notification process.

According to a second aspect of the present invention, when a portable telephone function is used for the emergency call notification means, the control unit switches the signal switching circuit to end the telephone call to the emergency call notification means. The emergency notification system terminal device according to claim 1, wherein when outputting the control signal, an uplink control signal line of a 16-core interface, which is an interface signal of the emergency notification communication means, is connected to a control unit, This has the effect that the control of the emergency notification means can be performed reliably.

According to a third aspect of the present invention, there is provided the emergency call system terminal device according to the first aspect, wherein an on-hook signal is used as a control signal for ending the telephone call. Is output to the emergency call notification means, so that the emergency notification means can be shifted to a standby state.

According to a fourth aspect of the present invention, an external connection
When performing emergency call notification processing during a connection
Equipped with a means to signal that the current telephone call will be terminated
The emergency call system terminal according to any one of claims 1 to 3.
This is a terminal device and the user is notified of the operation of the emergency call system terminal device.
It has the effect of being able to inform the crop situation.

[0010] The invention described in claim 5 of the present invention, claim
The emergency call system terminal device according to any one of 1 to 4.
And the system for controlling the emergency call system terminal
Emergency dispatch by receiving an emergency call signal from the device
Emergency call system including an emergency call center
Emergency call system Emergency call with enhanced use value of terminal equipment
This has the effect of realizing a system.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
This will be described in detail with reference to FIG.

[0012] Figure 1 (Embodiment 1 implementation) is a block diagram showing the configuration of the emergency call system terminal apparatus in the first embodiment of the present invention. In FIG. 1, reference numeral 1 denotes an emergency notification system terminal device, which is mounted on a vehicle such as an automobile and is used in an emergency such as a traffic accident or sudden illness.
It transmits the current vehicle position information, registered vehicle data, and the like to the police, the emergency call center, etc., and requests 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 a police station, an emergency call center, or the like when performing a hands-free call. Reference numeral 7 denotes an external connection device having a telephone function, such as a car phone or a mobile phone.

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 of making a call to the police or emergency call center corresponding to the telephone number corresponding to the telephone number via the base station or the like of the company is performed.

Reference numeral 12 denotes a control unit, which 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, the 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,
Further, the telephone numbers of the police, the emergency call center, etc. are obtained from the storage unit 15, and a call request is made to the emergency call contact means 11 using the telephone numbers.
When receiving a call response from the other party corresponding to the telephone number or a signal such as a busy signal that shifts to a busy state from the emergency call notification unit 11, it recognizes that the state has shifted to the talking state, and performs position information acquisition processing. The information such as the traveling direction and the direction of the vehicle obtained from the unit 14 and the data such as the position information are transmitted to the corresponding telephone number corresponding to the telephone number via the base station of the communication carrier. A process for outputting a signal to be transmitted to the emergency call notification means 11 is performed.

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 in response to a position information request signal from the control unit 12, and generates position information generated from data received by the GPS receiver 17 from the GPS antenna 4. Then, a process of inputting data such as the traveling direction and direction of the vehicle input from the gyro sensor 13 and outputting data such as position information input from the GPS receiver 17 to the control unit 12 is performed.

Reference numeral 15 denotes a storage unit which stores information such as telephone numbers of police and emergency call centers, registration numbers of vehicles equipped with the emergency call system terminal equipment 1 and registrants. The telephone number of the applicable police, emergency call center, etc.,
And a process of outputting information such as a registration number of a vehicle equipped with the emergency notification system terminal device 1 and a registrant. Reference numeral 16 denotes a hands-free system, which performs an echo canceling function and a howling preventing function in order to perform a hands-free call between a police station, an emergency call center, etc. and a user who gets on a vehicle equipped with the emergency call system terminal device 1. Etc. Reference numeral 17 denotes a GPS receiver.
A process of outputting data such as position information to the position information acquisition processing unit 14 from data input from the antenna 4 is performed.

Reference numeral 18 denotes a signal switching circuit, which controls the control signal path and the voice signal path of the emergency call communication means 11 according to a control signal from the control unit 12, either by a hands-free system 16 inside the emergency call system terminal 1, or It has a function of switching to the external device connection interface 19.
Reference numeral 19 denotes an external device connection interface for connecting the external connection device 7 for making a telephone call from outside the emergency notification system terminal device 1.

Next, the operation of the present 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. Alternatively, 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 of generating position information is performed based on data received from the S antenna 4, vehicle speed pulse signal data output according to the number of times the wheel has rotated, and the like.

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 to input data such as position information generated from the data received from.
The position information acquisition processing unit 14 generates data such as position information based on data such as the traveling direction and direction of the vehicle input from the gyro sensor 13 and a signal from the GPS receiver 17, and outputs the data to the control unit 12.

The control unit 12 obtains the telephone numbers of the police and the emergency call center from the storage unit 15 and makes a call request such as a telephone call to the emergency call communication means 11 using the telephone numbers. Emergency call notification means 11 uses telephone 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 was 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 via the base station of the communication carrier. Then, a process of making a call to the police, the emergency call center, or the like corresponding to the telephone number corresponding to the telephone number is performed.

When the control section 12 completes the data communication processing for transferring data such as position information to the police, an emergency call center, and the like, the control section 12 shifts to voice communication 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 is output as voice from a speaker. 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 police or an operator of the emergency call center, and a report on an accident situation or the like is executed by voice.

On the other hand, during normal times other than the emergency call communication process, the emergency call system terminal device 1 permits the external connection device 7 of the emergency call system terminal device 1 to use the emergency call communication means 11. When the emergency call notification means 11 has a mobile phone function, it performs telephone call control using a signal line such as a 16-core interface serial signal which is an interface signal of the mobile phone function. The signal switching circuit 18 connects a signal line, such as an uplink serial control signal, between the external device connection interface 19 and the emergency notification communication means 11 according to a control signal from the control unit 12, so that the external connection device 7 Communication means 11
Is used to control telephone calls.

When executing an emergency call notification process such as pressing the emergency call transmission button 3 during a telephone call of the external connection device 7, the signal switching circuit 18 connects a signal line such as an uplink serial control signal to the external device connection. The connection is switched between the interface 19 and the control unit 12. The control unit 12 outputs a control signal indicating an end of the call, such as an on-hook signal, to the emergency call notification unit 11. The call ends and the system shifts to the standby state, and waits for a telephone call request from the control unit 12.

When the emergency call notification means 11 has a portable telephone function, instead of the above-mentioned call termination control using the up-link serial control signal of the 16-core interface, the portable unit operation unit control signal "1" or "2" is used. , The call can be ended by the power-off control. In a normal state other than the emergency call notification processing, the signal switching circuit 18 controls the uplink control by a control signal from the control unit 12.
Signals, control signals such as downlink control signals, and transmitted / received audio
Signals, etc., an external device connection interface 19, by connecting to the emergency call communication means 1 1, the external connection device 7 performs a telephone call control using the emergency call communication means 11.

When executing an emergency call notification process such as pressing the emergency call transmission button 3 during a telephone call of the externally connected device 7, the signal switching circuit 18 controls the up control signal and the down control signal.
For example, a control signal such as a signal and a transmission / reception audio signal are switched to a connection between the external device connection interface 19 and the control unit 12. The control unit 12 is a portable device operation unit control signal.
By using “1” and the portable unit operation unit control signal “2”, the end of the call such as the power-off signal is executed, and the emergency call communication unit 11
Receives the control signal, terminates the telephone call currently being performed by the externally connected device 7 and shifts to a standby state,
It waits for a telephone call request from the control unit 12.

(Embodiment 2) FIG. 2 shows a configuration of an emergency call system terminal device according to a second embodiment of the present invention, and a transmitting means 8 is added to the configuration of the emergency call system terminal device 1 shown in FIG. It is the same except for the addition. The transmitting means 8 is for informing the user that the current telephone call is forcibly terminated so that the external connection device 7 performs the emergency call communication process during the telephone call. The control unit 12 outputs a control signal indicating the end of the call, such as an on-hook signal or a power-off signal, to the emergency call notification means 11 and, at the same time, sends a signal notifying the transfer means 8 to shift to the emergency call notification processing. Output. The transmission means 8
When this signal is received, the user is informed of the fact by performing indicator illumination, display by an LCD, or the like, or sound guidance by a buzzer sound or synthesized voice.

[0027]

As is apparent from the above description, the emergency notification system terminal device of the present invention has an interface signal between the externally connected device and the emergency notification device, and an interface signal between the control unit and the emergency notification device. If the external connection device needs to execute the emergency call notification process during a telephone call, the control unit,
Since the signal switching circuit is switched to output a control signal for ending the telephone call to the emergency call notification means,
There is an effect that the emergency connection process can be executed even during the telephone call of the external connection device.

[Brief description of the drawings]

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

FIG. 2 is a block diagram showing a configuration of an emergency call system terminal device according to Embodiment 2 of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Emergency call system terminal device 2 Communication antenna 3 Emergency call transmission button 4 GPS antenna 5 Microphone 6 Speaker 7 External connection device 8 Transmission means 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 18 Signal switching circuit 19 External device connection interface

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields investigated (Int. Cl. ⁷ , DB name) G08B 25/08 G08B 25/10 B60R 9/00-11/06 H04M 1/00-11/04 H04B 7 / twenty four

Claims (5)

(57) [Claims] 1. A control unit, based on a signal from an emergency call transmission button pressed by a user or a sensor for detecting an accident, which is mounted on a vehicle and pressed by a user in an emergency, causes a control unit to transmit data about the vehicle via an emergency call communication unit. In an emergency notification system terminal device for notifying an emergency notification center, an external device connection interface for connecting an external connection device for telephone calls, and a signal for switching between a signal from the external device connection interface and a signal from the control unit A switching circuit, wherein the external connection device is connected to the emergency call notification means by the signal switching circuit, during a telephone call, when it becomes necessary to perform emergency call notification processing, the control unit, the control unit, the signal After outputting a control signal for ending the telephone call to the emergency call notification means by switching the switching circuit ,
An emergency call system terminal device for making a call request to the emergency call center . 2. When the mobile phone function is used for the emergency call notification means, the control unit switches the signal switching circuit and outputs a control signal for ending the telephone call to the emergency call notification means. 2. The emergency notification system terminal device according to claim 1, wherein an uplink control signal line of a 16-core interface, which is an interface signal of the notification communication unit, is connected to the control unit. 3. An on-hook signal is used as a control signal for ending a telephone call.
The described emergency call system terminal equipment. 4. Emergency call notification processing during a call to an externally connected device
Call, ask the user to end the current phone call.
4. A method according to claim 1, further comprising means for transmitting.
Emergency call system terminal equipment. 5. The emergency according to claim 1, wherein
Reporting system terminal equipment and the system
Emergency call system Receives emergency call transmission signal from terminal equipment
Emergency call center to initiate emergency dispatch
Notification system.