JP3102782B2 - 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 relates to a vehicle, such as an automobile, which is provided with information on the position of a current vehicle, The present invention relates to an emergency call system terminal device and an emergency call system for transmitting data of a registered vehicle and the like.

[0002]

2. Description of the Related Art Conventionally, a telephone call processing is carried out via a base station of a telecommunications carrier to a center which is mounted on a vehicle such as an automobile and has a jurisdiction over an emergency call system such as an emergency call center in police and fire departments. There is known an emergency call system terminal device and an emergency call system provided with an emergency call communication means for performing the following. The contents of the emergency call notification include the registration number information of the vehicle and the position information of the vehicle. The position information of the vehicle is obtained by receiving a radio wave from a GPS satellite by a GPS receiver via a GPS antenna. In addition, highly accurate position information can be obtained, and further accurate position information can be obtained by taking into account distance information from a vehicle speed sensor and azimuth information from a gyro sensor.

[0003]

However, in a conventional emergency call system terminal device, if a vehicle equipped with the emergency call system terminal device is equipped with a navigation device that also requires a GPS signal, , G
Since the PS antenna and the GPS receiver are duplicated, not only the equipment is wasted, but also the limited space of the vehicle is wasted and the weight is increased.

[0004] The present invention is to solve such a problem in the prior art, in which a device that receives a GPS reception signal such as a navigation device is mounted on a vehicle having an emergency notification system terminal device mounted thereon. It is an object of the present invention to provide an emergency notification system terminal device and an emergency notification system that enable a single GPS antenna to be mounted on a vehicle.

[0005]

In order to solve the above problems, the present invention distributes a signal received from a GPS antenna into a signal used by an emergency notification system terminal device and a signal output to an externally connected device. By providing the GPS distributor, even when a device that receives GPS reception data such as a navigation device is mounted on a vehicle on which an emergency notification system terminal device is mounted, the GPS antenna can be mounted on the vehicle in one. And the total cost of the vehicle can be reduced by suppressing an increase in equipment.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION
Is mounted on a vehicle, in an emergency, the center having jurisdiction over the emergency call system, the emergency call system terminal device that transmits emergency call information including the vehicle position information brute <br/> based on position data obtained from the GP S satellite , GPS fraction distribution for distributing a signal received by the GPS antenna and to the signal output to the signal and the external connection device emergency call system terminal equipment used
An emergency call system terminal device equipped with a GPS antenna and a device for receiving GPS reception data, such as a navigation device, may be mounted on a vehicle equipped with the emergency call system terminal device. It has the effect that it can be combined.

According to a second aspect of the present invention, the G
The signal distributed by the PS distributor is sent to the external device.
An external connection device interface for outputting
A PS distributor and the externally connected device interface, the emergency call system terminal equipment constituting the circuit board has at emergency call system terminal device according to claim 1, characterized by being configured using another circuit board The emergency notification system has the effect of minimizing the interference of radiated noise by the circuits constituting the terminal equipment.

According to a third aspect of the present invention, the G
The signal distributed by the PS distributor is sent to the external device.
An external connection device interface for outputting
2. The system according to claim 1, wherein the PS distributor and the external connection device interface are formed as one circuit block, and the circuit constituting the emergency notification system terminal device is formed as another circuit block, and both are configured on the same circuit board. The emergency notification system terminal device described above, which has an effect that an increase in the number of components can be suppressed by using one circuit board.

According to a fourth aspect of the present invention, there is provided an emergency call system terminal device according to any one of the first to third aspects, and an emergency call system is controlled by the emergency call system terminal device. An emergency call system including a center that receives a call transmission signal and initiates an emergency dispatch,
This has the effect that emergency call information with high vehicle position accuracy can be transmitted to the center.

Next, embodiments of the present invention will be described in detail with reference to the drawings. (Embodiment 1) FIG. 1 is a block diagram showing a configuration of an emergency call system terminal device according to a 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 by a police or emergency notification center such as a police or emergency notification center in the event of an emergency such as a traffic accident or sudden illness to notify the center of the current vehicle. It transmits position information, data of a registered vehicle, 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 a signal for starting transmission processing. Reference numeral 4 denotes a GPS antenna for receiving radio waves from GPS satellites.

In the emergency notification 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. Performs processing to make a call to the center responsible for the emergency call system such as the police or emergency call center corresponding to the telephone number via the base station of the operator, etc.

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 direction of the vehicle, and data such as position information are input from the position information acquisition processing unit
Further, the telephone number of a center that controls the emergency call system such as the police and the emergency call center is acquired from the storage unit 15, and the emergency call communication means 1 is used by using the telephone number.
When a call transmission request from a call partner corresponding to the telephone number or a signal to shift to a busy state such as a busy signal is received from the emergency call contact means 11, the call state is changed. And transfers the information 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 the telephone number via the base station of the communication carrier. A process for outputting a signal for transmitting to a center having jurisdiction over an emergency call system, such as the police or an emergency call center, which is a call partner, to the emergency call communication 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 is a telephone number of a center that has jurisdiction over an emergency call system such as a police station or an emergency call center;
In addition to storing information such as a registration number and a registrant of a vehicle on which the emergency notification system terminal device 1 is mounted, a request signal from the control unit 12 controls an applicable emergency notification system such as a police station or an emergency notification center. A process for outputting information such as the telephone number of the 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 GPS distributor, which distributes a received signal received from the GPS antenna 4 into a signal used by the emergency notification system terminal device 1 and a signal to be output to an externally connected device. 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. Reference numeral 18 denotes an externally connected device interface, which outputs a received signal distributed by the GPS distributor 16 to an externally connected device such as a navigation device.

Next, the operation of the first 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 a signal indicating that the button has been pressed by a user's pressing operation. The control unit 12 recognizes that there is an emergency report request from the signal from the emergency report transmission button 3 and starts the emergency report process. 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 Table 16
, Data such as position information generated from data received from the GPS antenna 4 is input. 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, the telephone number of a center that controls the emergency call system such as the police and the emergency call center, and makes a call request to the emergency call communication unit 11 using the telephone number. . 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. Emergency call notification means 11
When receiving a call response from the other party, or a signal such as a busy signal that shifts to a busy state, it recognizes that it has shifted to the talking state, shifts to voice call control or data communication control, and The control unit 12 outputs a signal notifying that the operation has shifted to the inside. 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 a center having jurisdiction over the emergency call system, such as the police or the emergency call center, which is the call partner corresponding to the telephone number, is performed. In addition, the GPS distributor 16
The data received from the antenna 4 is distributed, output to the GPS receiver 17, and output to an externally connected device such as a navigation device connected to the emergency notification system terminal device 1 via the external device connection interface 18.

As described above, according to the first embodiment, G
A GPS distributor 16 for distributing a signal received by the PS antenna 4 into a signal used by the emergency notification system terminal device 1 and a signal to be output to an externally connected device;
And an external connection device interface 18 for outputting a signal distributed by the external communication device 16 to an external device. Even when mounted on a vehicle, the GPS antenna must be mounted on the vehicle by 1
Can be one.

(Embodiment 2) FIG. 2 is a block diagram showing a configuration of an emergency call system terminal device according to a second embodiment of the present invention, which is different from the first embodiment shown in FIG. Is a circuit board constituting the emergency notification system terminal device 1, the emergency notification communication means 11, the control unit 12, the gyro sensor 13, the position information acquisition processing unit 14, the storage unit 15,
Emergency call system board 101 including GPS receiver 17
And a GPS distributor board 111 having a GPS distributor 16 and an externally connected device interface 18. According to the second embodiment, the circuit board constituting the emergency notification system terminal device 1 is divided into the emergency notification system board 101 and the GPS distributor board 111 in this manner, so that the radiation from the emergency notification system board 101 is obtained. Leakage of noise and the like can be prevented.

(Embodiment 3) FIG. 3 is a block diagram showing a configuration of an emergency call system terminal device according to a third embodiment of the present invention, which is different from the first embodiment shown in FIG. Is a circuit that configures the emergency notification system terminal device 1 by using an emergency notification communication unit 11, a control unit 12, a gyro sensor 13, a position information acquisition processing unit 14, a storage unit 15, and a GP.
Emergency call system block 102 including S receiver 17
And a GPS distributor block 112 having a GPS distributor 16 and an external connection device interface 18, and both are configured on one circuit board.
According to the third embodiment, the circuit constituting the emergency notification system terminal device 1 is divided into the emergency notification system block 102 and the GPS distributor block 112,
By configuring them on the same circuit board, the number of components can be reduced.

In the second or third embodiment, a Teflon substrate for minimizing signal attenuation is used for the GPS distributor substrate 111 having the GPS distributor 16 or the GPS distributor block 112. Thus, the amount of attenuation when distributing the GPS reception signal on the board can be minimized.

The GPS distributor board 111 having the GPS distributor 16 or the GPS distributor block 112
In the case where the GPS reception signal is distributed on the board, an element such as a high-frequency amplifier for amplifying the GPS reception signal is used to correct the attenuation due to the distribution or the attenuation when the GPS reception signal is distributed on the board. By amplifying the reception signal from the GPS receiver 17, the GPS reception signal having a sufficient gain can be provided to the GPS receiver 17 or an externally connected device such as a navigation device connected to the outside of the emergency notification system terminal device 1. it can.

Further, a GPS having a GPS distributor 16
Distributor board 111 or GPS distributor block 11
In the case of distributing the GPS reception signal on the board in 2,
In order to correct the attenuation due to the distribution or the attenuation at the time of distribution on the substrate, by using a component such as a high-frequency amplifier for amplifying the GPS reception signal and amplifying the reception signal after the distribution in the GPS distributor 16, , GPS receiver 17,
Alternatively, a GPS reception signal having a sufficient gain can be provided to an externally connected device such as a navigation device connected to the outside of the emergency notification system terminal device 1.

Further, a GPS having a GPS distributor 16
Distributor board 111 or GPS distributor block 11
2, the input / output impedance of the distributor on the substrate constituting the distributor is set to 50Ω, so that GP
The impedance matching of the impedance of the signal input from the S antenna or the external connection device such as the GPS receiver 17 and the navigation device connected to the outside of the emergency notification system terminal device 1 can be performed.

Further, a GPS having a GPS distributor 16
Distributor board 111 or GPS distributor block 11
2, the GPS distributor board 111 or the GPS
By covering the distributor block 112 with a shield, unnecessary radiation noise output from a microcomputer or the like constituting the control unit 12 included in the emergency notification system board 101 or the emergency notification system block 102 is blocked, and GP
The output of the high-frequency noise output from the S to the outside can be cut off, and deterioration of the S / N of the GPS reception signal can be minimized.

[0024]

As is apparent from the above description, according to the present invention, a GPS for distributing a signal received from a GPS antenna into a signal used by an emergency notification system terminal device and a signal output to an externally connected device. Even if a device that receives GPS reception data such as a navigation device is mounted on a vehicle on which an emergency call system terminal device is mounted, one GPS antenna is mounted on the vehicle. , And the total cost of the vehicle can be reduced by suppressing an increase in equipment.

[Brief description of the drawings]

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

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

FIG. 3 is a block diagram showing a configuration of an emergency call system terminal device according to a third embodiment 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 11 Emergency call communication means 12 Control unit 13 Gyro sensor 14 Location information acquisition processing unit 15 Storage unit 16 GPS distributor 17 GPS receiver 18 External device connection interface 101 Emergency call system board 111 GPS distributor board 102 Emergency call system block 112 GPS distributor block

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-287386 (JP, A) Registered utility model 3042021 (JP, U)

Claims (4)

(57) [Claims] 1. A is mounted on a vehicle, in an emergency, the center having jurisdiction over the emergency call system, emergency call system terminal device that transmits emergency call information including the vehicle position information that is based on the position data obtained from the GP S satellite In, GPS
Emergency call system terminal equipment and a GPS distribution amplifier for distributing a signal received by the antenna and to the signal output to the signal and the external connection device emergency call system terminal equipment used. 2. A signal distributed by the GPS distributor.
External device interface for outputting the
Comprising a Esu, emergency notification of the a GPS distributor and the externally connected device interface, according to claim 1, wherein the circuit board constituting the emergency call system terminal equipment, characterized by being configured using another circuit board System terminal equipment. 3. A signal distributed by the GPS distributor.
External device interface for outputting the
And the GPS distributor and the external connection device interface are formed as one circuit block, the circuit constituting the emergency notification system terminal device is formed as another circuit block, and both are configured on the same circuit board. 2. The emergency notification system terminal device according to claim 1, wherein 4. An emergency call system terminal device according to any one of claims 1 to 3, which controls the emergency call system and receives an emergency call transmission signal from the emergency call system terminal device to execute an emergency dispatch. An emergency call system including a center to be activated.