JP3021416B2 - Emergency call system with program rewriting function - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an accident emergency notification device with a program rewriting function, and more particularly to an accident emergency notification device capable of rewriting a program from an external device.

[0002]

2. Description of the Related Art An accident emergency notification system is a system for automatically reporting vehicle emergency information to a service center via a wireless line from an accident emergency notification device mounted on a vehicle when an accident such as a vehicle collision occurs. FIG. 3 shows a block diagram of a conventional accident emergency notification device. With this system,
The time required for an emergency vehicle such as an ambulance or police car to arrive at the site can be shortened, and the injured person can be rescued and rescued more quickly. Also, even in an emergency such as the occurrence of a sudden illness, by pressing the emergency button of the accident emergency notification device, vehicle emergency information is reported to the center via a wireless line, and conversation with the center's service personnel can be performed. .

The vehicle emergency information service includes an automatic report in the event of an accident, a manual report in an emergency, a manual report in a roadside service, and a normal voice conversation. The automatic notification at the time of occurrence of an accident is to automatically notify the service center when a vehicle collision or an accident occurs, and then to the emergency service center. In the case of an emergency manual call, when an emergency report button is pressed in an emergency such as when a sudden illness occurs, a report is made to the service center, and then a report is made to the emergency service center. In the manual notification of the roadside service, when a trouble such as a puncture is troubled, pressing the load service request button notifies the road service center.

Hereinafter, an outline of the function of the accident emergency notification device of the vehicle emergency information system will be described. (1) Communication function (communication with a service center): It is possible to use a mobile phone and communicate in an area where the mobile phone can talk. 9600bps data communication and voice communication are possible. Automatically switch between data communication and voice communication. It has a single diversity antenna with automatic switching function. (2) Position detection function (position detection of own vehicle): Position detection is performed by GPS. It has a gyro and can record the position even in a tunnel where GPS cannot be used. Record the usage status of vehicle speed sensor, reverse and brake. (3) Emergency detection function (emergency detection of own vehicle): It has a collision detection device sensor and a rollover sensor, and detects what kind of accident has occurred. (4) Vehicle emergency information notification function (emergency notification to the service center): Automatic notification is performed by detecting the collision detection device sensor and the rollover sensor. Manual notification can also be performed by pressing the vehicle emergency information notification button. (5) Roadside service function (call for support to the service center): Requests support by manual notification by pressing the load service request button. (6) Handset function (voice communication is possible with the handset) and hands-free function (voice communication is possible with the handsfree): You can talk as a normal phone with the handset and cradle, and you can talk hands-free with the microphone and dedicated speaker. .

[0005] In such a conventional accident emergency notification device, the various functions described above are realized by a program stored in a ROM.

[0006]

A conventional accident emergency notification device operates according to a ROM program.
When exchanging a program to renew the function of the accident emergency notification device, it is necessary to exchange a ROM, and it is difficult to change the program.

[0007] It is an object of the present invention to solve the above-mentioned conventional problems and to provide an accident emergency notification device having a function of easily rewriting a program from an external device.

[0008]

According to the present invention, in order to solve the above-mentioned problems, a portable telephone and a mobile phone are added to an accident emergency notification device.
Input means for wirelessly inputting a program via dem ;
And storage means for storing the inputted program. With this configuration, the program can be easily rewritten from the program rewriting device through the mobile phone.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention described in claim 1 of the present invention is an accident emergency notification device for detecting an emergency such as a vehicle collision and automatically reporting vehicle emergency information to a center via a wireless line. Wireless via mobile phone and modem
This is an accident emergency notification device with a program rewriting function, comprising an input means for inputting a program at, and a storage means for storing the input program, and has an effect of enabling a program to be updated from an external device through a telephone line. Have.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1 and 2.

(Embodiment 1) A first embodiment of the present invention is an accident emergency notification device with a program rewriting function for rewriting a program by connecting a cable of a program writing device to a connector.

FIG. 1 is a block diagram of an accident emergency notification device with a program rewriting function according to a first embodiment of the present invention. In FIG. 1, an accident emergency notification device 1 is a device that detects an emergency such as a vehicle collision and automatically reports vehicle emergency information to a center via a wireless line. The program development device 2 is a device such as a personal computer that develops a program for the accident emergency notification device 1. The program writing device 3 transmits the data of the floppy disk to the emergency
Device to transfer to The flash ROM 4 is a memory that stores a program of the accident emergency notification device 1. The CPU 5 is a computing device that controls the accident emergency notification device 1. The floppy disk 6 is a recording medium for transferring the program created by the program development device 2 to the program writing device 3. Serial interface 7
Is a circuit for exchanging data between the CPU 5 and the program writing device 3. The connector 8 is for connecting the program writing device 3 to the accident emergency notification device 1. The other configuration of the accident emergency notification device 1 is the same as the conventional configuration shown in FIG.
Is the same as that shown in FIG.

[0013] The program will be described below with reference to the accident emergency notification device 1.
The procedure for writing to the flash ROM 4 will be described. A program for the accident emergency notification device 1 is developed by a program development device 1 such as a personal computer, and written to the floppy disk 6. The floppy disk 6 is loaded into the program writing device 3, and the cable of the program writing device 3 is connected to the connector 8 of the accident emergency notification device 1.

Since the accident emergency notification device 1 is mounted on a vehicle such as a passenger car, it is not easy to remove it and bring it to the office where the program development device 1 is installed. Writing is performed by using the portable program writing device 3 so that the program can be written only by connecting the cable without detaching the accident emergency notification device 1 from the vehicle and attaching it to the vehicle. The program writing device 3 may be a dedicated device,
A laptop computer may be used. Connector 8
It is preferable to use a general-purpose serial interface such as RS232C since it is not necessary to provide a dedicated port.

The accident emergency notification device 1 is set to a program update mode, and program data is transferred from the program writing device 3. The program writing means of the accident emergency notification device 1 stores the received program data in the flash R
Write to the specified address of OM4. If the basic program of the accident emergency notification device 1 is stored in a non-rewritable mask ROM or UVEPROM, and programs and parameters for various services are stored in a flash ROM, the basic program is erroneously generated. Can be prevented from falling into an inoperable state.

As described above, in the first embodiment of the present invention, the accident emergency notification device with the program rewriting function is configured to connect the program writing device with the connector to rewrite the program, so that it can be easily rewritten from external equipment. The program can be rewritten.

(Embodiment 2) A second embodiment of the present invention is an accident emergency reporting device with a program rewriting function for rewriting a program by connecting a program writing device via a telephone line.

FIG. 2 is a block diagram of an accident emergency notification device with a program rewriting function according to a second embodiment of the present invention. In FIG. 2, an accident emergency notification device 1 is a device that detects an emergency such as a vehicle collision and automatically reports vehicle emergency information to a center via a wireless line. The program development device 2 is a device such as a personal computer that develops a program for the accident emergency notification device 1. Flash ROM 4
Is a memory storing a program of the accident emergency notification device 1. The CPU 5 is a computing device that controls the accident emergency notification device 1. The modem 9 is a modem. The telephone line 10 is a wired or wireless telephone line. The mobile phone 11 is a phone built in the accident emergency notification device 1. Other configurations of the accident emergency notification device 1 are the same as those shown in FIG.

Hereinafter, the program will be described by using the emergency
The procedure for writing to the flash memory 4 will be described. A program for the accident emergency notification device 1 is developed by a program development device 1 such as a personal computer. The target accident emergency notification device 1 is called via the telephone line 10 and a command to set the program update mode is transmitted. After setting the accident emergency notification device 1 to the program update mode, the program development device 2
To transfer program data. Instead of providing the function of transmitting the program to the program development device 2, the program may be transmitted using the communication device of the center. The accident emergency notification device 1 demodulates the signal received via the mobile phone 11 by the modem 9 and passes it to the CPU 5. The CPU 5 writes the program data to a specified address of the flash ROM 4.

The center can transmit new programs and parameters to the target accident emergency notification device 1 at any time, such as when upgrading the program of the accident emergency notification device 1 or starting a new service. Rewriting the program wirelessly involves the danger of unintended program changes, so it is naturally necessary to use encryption and passwords for security.

As described above, in the second embodiment of the present invention, the accident emergency notification device with the program rewriting function is configured to rewrite the program by connecting the program writing device via the telephone line, so that the program can be easily rewritten from anywhere. The program can be rewritten.

[0022]

As described above, according to the present invention, an accident emergency notification device can be wirelessly programmed via a portable telephone and a modem.
An input means for inputting a program and an input program
Since the structure provided with a storage means for storing, Center
A new program at any time
An advantage is obtained that the system and the parameters can be transmitted .

[Brief description of the drawings]

FIG. 1 is a block diagram of an accident emergency notification device with a program rewriting function according to a first embodiment of the present invention;

FIG. 2 is a block diagram of an accident emergency notification device with a program rewriting function according to a second embodiment of the present invention;

FIG. 3 is a block diagram of a conventional accident emergency notification device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Accident emergency notification device 2 Program development device 3 Program writing device 4 Flash ROM 5 CPU 6 Floppy disk 7 Serial interface 8 Connector 9 MODEM 10 Telephone line 11 Mobile phone

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-6-162372 (JP, A) JP-A-63-58600 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G08B 23/00-31/00

Claims (1)

(57) [Claims] 1. A accident emergency call device for automatically notify the center through a wireless line emergency detected and the vehicle emergency information such as a vehicle collision, the mobile phone and modem
An accident emergency notification device with a program rewriting function, comprising: input means for wirelessly inputting a program via a memory; and storage means for storing the input program.