JP2002187526A - Vehicle antitheft system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To inexpensively provide a vehicle antitheft system by simplifying a route for transmitting information of a vehicle position to a user or a security company. SOLUTION: A switch 1 of a slave station device Y is turned on when a key of the vehicle is closed, a signal indicating the occurrence of abnormality is outputted from a sensor 3 when an engine starts in the lock state, an abnormality occurrence signal and a vehicle identifying signal from a vehicle identifying signal generating part 2 are transmitted from a radio LAN transmitter-receiver 5 to an AP in a communication zone, the AP attaches its own AP positional information to the signals and transmits the signals to a monitoring device square-shape through a communication network 8 such as telephone lines, the signals are inputted from a transmitting/receiving part 9, the vehicle identifying signal and an assigned AP position are registered in a storing part 11, simultaneously the information is transmitted from the transmitting/ receiving part to a user house warning device 12 or the security company 13 through the communication network such as the telephone lines, a warning signal is transmitted from the monitoring device to the slave station device via the AP through the communication network such as the telephone lines, and a warning sound is generated from a warning device 4 to prevent escape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle theft prevention system, in which a wireless LAN terminal is installed in a vehicle, and an associated AP is installed.
The present invention relates to an apparatus for acquiring and reporting position information by tracking (access points).

[0002]

2. Description of the Related Art Currently, a vehicle theft prevention system using a radio includes, for example, a system using position determination by a GPS (Global Positioning System) and a system using position registration by a mobile phone. Those using GPS can be used almost anywhere in Japan except where radio waves from satellites do not reach, but a separate radio is required to send the obtained location information to the vehicle owner or security company, Providing a large number of stations for wireless relay is impossible for individuals. There are systems that use a mobile phone as this wireless device or use the location registration of the mobile phone itself as the vehicle location information, but it is difficult to always use it because communication costs are high. Also,
Since GPS is under the control of the U.S. Department of Defense, the system may be temporarily shut down or operations with reduced accuracy may be performed, and the number of mobile phones currently increasing explosively There is a problem that the channel is congested and a call cannot be made. For example, if the usage is further increased in such a state, there is a concern that a new problem may occur that a normal call is hardly connected.

[0003]

SUMMARY OF THE INVENTION In view of the foregoing, the present invention can use a system under the control of its own country, such as a wireless LAN (Local Area Network), and use a mobile phone. It is an object of the present invention to construct an inexpensive vehicle theft prevention system with high stability that does not cause a problem of increasing channel congestion.

[0004]

In order to achieve the above object, a vehicle theft prevention system according to the present invention is provided in a vehicle and includes a switch for turning the operation on, a vehicle identification signal generator for generating an identification signal of the vehicle, and A sensor for detecting occurrence of an abnormality in a vehicle, a wireless LAN transceiver for communicating via an access point, and a first control unit for controlling the vehicle identification signal generator, the sensor and the wireless LAN transceiver. Receives information from the slave station device via the communication network such as a telephone line together with information on the position of the access point to which the slave station device belongs, and receives the information via the communication network such as the telephone line. A transmission / reception unit for transmitting to the home alarm device or the security company, a storage unit for storing the same information received by the transmission / reception unit, and a second unit for controlling the transmission / reception unit and the storage unit
And a monitoring device provided with a control unit. When the operation of the switch is turned on, the vehicle identification signal is transmitted to the monitoring device by the wireless LAN transceiver, and occurrence of abnormality is detected by the sensor. In such a case, a signal indicating the occurrence of an abnormality is transmitted to the monitoring device together with the vehicle identification signal, and the monitoring device transmits the information of the occurrence of the abnormality to the user home alarm device or the security company corresponding to the vehicle identification signal. Constitute.

The switch is turned on when the key of the vehicle is locked, and the sensor outputs a signal indicating that an abnormality has occurred when the engine is started with the key of the vehicle locked. Things.

In addition, an alarm device is provided in the slave station device, an alarm signal is transmitted from the monitoring device to the slave station device based on information on occurrence of an abnormality from the slave station device, and an alarm sound is issued from the alarm device. It may be emitted to prevent escape.

[0007] Each time the AP to which the slave station device belongs moves to another AP, the monitoring device sends the information on the occurrence of the abnormality to the user home alarm device or a security company. The escape direction may be determined by tracking the AP to which the device belongs, and this information may be transmitted to the user's home alarm device or a security company to be used as information for vehicle search.

[0008] The slave station device is an MMAC (Multimedia Mo- bility).
(bile Access Communication) The mobility function of the standard shall automatically transmit the address data of the destination, the monitoring device receives the address data from the child station device, and informs the user home alarm of the occurrence of the abnormality. It may be transmitted to a device or a security company.

[0009] Further, a television camera (hereinafter, referred to as a camera) for photographing the inside or outside of the vehicle is provided in the slave station device, and when the abnormality occurs, an image from the camera is transmitted by the wireless LAN transceiver. The information may be transmitted to the security company via the monitoring device to be used for monitoring the status of the vehicle.

The transmission of the information from the slave station device to the monitoring device and the transmission of the information from the monitoring device to the user home alarm device or the security company may be performed via an Internet line.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described based on embodiments with reference to the drawings. FIG. 1 is a block diagram of a main part of an embodiment of a vehicle anti-theft system according to the present invention. In the figure, a is a slave station device installed in a vehicle, and B is a monitoring device. One of the slave station devices a is a switch for turning on the slave station device A in response to a key lock of the vehicle, and 2 is a switch for the vehicle. A vehicle identification signal generating unit for generating the assigned vehicle identification signal, a sensor 3 for outputting a signal indicating the occurrence of an abnormality when the engine is started with the key of the vehicle locked, and a warning 4 from a monitoring device B Alarm device that emits an alarm sound based on a signal, 5
Is the vehicle identification signal from the vehicle identification signal generator 2 and the sensor 3
A wireless LAN transceiver that transmits a signal indicating the occurrence of an abnormality from the monitoring device B and receives an alarm signal from the monitoring device B. Reference numeral 6 denotes a first control unit that controls each unit of the slave station device B. 7n are a first AP, a second AP,... An nth AP, respectively, which transmit a signal from the wireless LAN transceiver 5 in the communication zone via a communication network 8 such as a telephone line and communicate with the telephone line or the like. A signal from the network 8 is transmitted to the wireless LAN transceiver 5. 9 is a transmitting / receiving unit for transmitting / receiving signals to / from a communication network 8 such as a telephone line, 10 is a second control unit for controlling each unit of the monitoring device, and 11 is a unit for storing information received by the transmitting / receiving unit 9. It is a storage unit.

Next, the operation of the vehicle theft prevention system according to the present invention will be described. When the vehicle is parked and the door key is locked, the switch 1 of the slave station device A is turned on and the slave station device A is in the operating state, and the vehicle identification signal from the vehicle identification signal generator 2 (which is assigned to each vehicle). Is transmitted wirelessly by the wireless LAN transceiver 5 via the first control unit 6. When the slave station device a is in the communication zone of the first AP 7a,
The wireless signal is received by the first AP 7a or the like, and the first AP 7a attaches the position information of the AP to the signal and transmits the signal to the monitoring device 2 over a communication network 8 such as a telephone line. The monitoring device b receives this signal at the transmission / reception unit 9, inputs the signal to the storage unit 11 via the second control unit 10, and registers the slave station device a in association with the first AP 7a. Then, when the engine is started with the key of the vehicle being locked, a signal indicating that an abnormality has occurred is output from the sensor 3,
A signal indicating the occurrence of the abnormality is wirelessly transmitted together with the vehicle identification signal from the vehicle identification signal generation unit 2 by the wireless LAN transceiver 5 via the first control unit 6. This signal is received by the first AP 7a to which the slave station device A belongs, and is transmitted to the monitoring device B over a communication network 8 such as a telephone line with the location information of the AP, and this signal is received by the transmission / reception unit 9, The data is input to the storage unit 11 via the second control unit 10 and the occurrence of an abnormality is registered in correspondence with the already registered slave station device b. In addition to transmitting the information on the occurrence of the abnormality to the user home alarm device 12 or the security company via the communication network 8 such as a telephone line together with the positional information of the AP to which the user belongs, the second control unit 10 causes the transmitting / receiving unit 9 to transmit the telephone line. A warning signal is transmitted to the slave station device A over the communication network 8 such as. The alarm signal is transmitted from the associated AP (the first AP 7a) to the slave station device A, received by the wireless LAN transceiver 5, input to the alarm device 4 via the first control unit 6, and output by the alarm device 4. (Buzzer sound, etc.) to prevent escape.

[0013] The vehicle moves and another AP, eg, 2A
When moving to the communication zone of P7b to nth AP7n, the sensor 3
And the vehicle identification signal from the vehicle identification signal generator 2 are transmitted by the wireless LAN transceiver 5 to the newly assigned AP, and the AP attaches these signals to the AP and monitors them. The monitoring device transmits the information to the user home alarm device 12 or a security company.
Send to 13. As a result, the user or the security company can grasp the moving (runaway) direction of the vehicle. In the monitoring device b, the second control unit 10 searches the registered data in the storage unit 11 to obtain A to which the slave station device A belongs.
P may be tracked, the escape direction may be determined, and this information may be transmitted to the user home alarm device 12 or the security company 13 to be used as information for vehicle search.

It is to be noted that the slave station device A automatically transmits the destination address data by using the mobility function of the MMAC standard (a wide area mobile access system using radio waves in the 5 GHz band). The address data from the station device A may be received, and the information on the occurrence of the abnormality may be transmitted to the user home alarm device 12 or the security company 13. In addition, a camera that captures an image of the inside or outside of the vehicle is provided in the slave station device A, and when an abnormality occurs, an image from the camera is transmitted from the wireless LAN transceiver 5 to the security company 13 via the monitoring device B. It may be transmitted to be used for monitoring the condition of the vehicle. The transmission of the information from the slave station device A to the monitoring device B, and the transmission of the information from the monitoring device B to the user home alarm device 12 or the security company 13 may be performed via an Internet line.

[0015]

As described above, according to the vehicle theft prevention system of the present invention, when the vehicle is stolen and the engine is started while the key is locked, the vehicle identification signal and the abnormality are automatically detected. A signal indicating occurrence is transmitted to the AP via a wireless LAN, transmitted from the AP to a monitoring device via a communication network such as a telephone line, and notified from the monitoring device to a user home alarm device or a security company via a communication network such as a telephone line. In order to transmit information, only a wireless LAN and a communication network such as a telephone line are used to transmit information without using a GPS under the control of another country or a mobile phone that has a relatively high call rate and is easily congested in a call channel. As a result, an inexpensive and highly stable vehicle anti-theft system can be constructed.

[Brief description of the drawings]

FIG. 1 is a main block diagram of an embodiment of a vehicle anti-theft system according to the present invention.

[Explanation of symbols]

 A slave station device (installed in a vehicle) b Monitoring device 1 Switch 2 Vehicle identification signal generator 3 Sensor 4 Alarm device 5 Wireless LAN transceiver 6, 10 First and second control units 7a to 7n First to nth APs (access Point) 8 Telecommunication network such as telephone line 9 Transmitter / receiver unit 11 Storage unit 12 User home alarm device 13 Security company

Claims (9)

[Claims] A wireless communication device for communicating via an access point, a switch installed in the vehicle to switch on operation, a vehicle identification signal generating unit for generating an identification signal of the vehicle, a sensor for detecting occurrence of an abnormality in the vehicle. LAN (Local Area Netw
ork) a slave station device provided with a transceiver, a vehicle identification signal generation unit, a sensor, and a first control unit for controlling a wireless LAN transceiver, and a slave station device via a communication network such as a telephone line. A transmitting and receiving unit that receives the information together with the information on the location of the access point to which the slave station device belongs, and transmits the information to a user home alarm device or a security company via a communication network such as the telephone line; A monitoring unit provided with a storage unit for storing the same information, and a second control unit for controlling the transmission / reception unit and the storage unit. When the switch is turned on, the vehicle identification signal is The wireless LAN transceiver transmits the signal to the monitoring device, and when the sensor detects the occurrence of an abnormality, transmits a signal indicating the occurrence of the abnormality to the monitoring device together with the vehicle identification signal. Faith A vehicle theft prevention system that transmits information on occurrence of abnormality to a user home alarm device or a security company corresponding to the issue. 2. The vehicle antitheft system according to claim 1, wherein the switch is turned on by locking a key of the vehicle. 3. The vehicle theft prevention system according to claim 1, wherein the sensor outputs a signal indicating that an abnormality has occurred when the engine is started with the key of the vehicle locked. 4. An alarm device is provided in the slave station device, an alarm signal is transmitted from the monitoring device to the slave station device based on information on occurrence of abnormality from the slave station device, and an alarm sound is issued from the alarm device. 4. The vehicle theft prevention system according to claim 1, wherein the vehicle is emitted to prevent escape. 5. The information processing apparatus according to claim 1, wherein the monitoring device transmits the information on the occurrence of the abnormality to the user home alarm device or a security company every time the access point to which the slave station device moves moves to another access point. Item 5. A vehicle theft prevention system according to any one of Items 1, 2, 3, and 4. 6. The evacuation direction is determined by tracking the access point to which the slave station device belongs by the monitoring device, and this information is transmitted to the user home alarm device or a security company to search for a vehicle. The vehicle anti-theft system according to claim 5, wherein the system is information. 7. The mobile station device according to claim 1, wherein the MMAC (Multimedia
The mobile device automatically transmits destination address data by a mobility function of the Mobile Access Communication standard.The monitoring device receives address data from the slave station device, and transmits the information on occurrence of the abnormality to the user home. 5. The vehicle anti-theft system according to claim 1, wherein the system is transmitted to an alarm device or a security company. 8. A television camera for photographing an inside or outside of a vehicle in the slave station device, and when the abnormality occurs, an image from the television camera is transmitted to the wireless LAN.
The vehicle antitheft system according to claim 1, wherein the system is transmitted by a transceiver, transmitted to the security company via the monitoring device, and used for monitoring the condition of the vehicle. 9. The vehicle theft according to claim 1, wherein the information transmission from the slave station device to the monitoring device and the information transmission from the monitoring device to the user home alarm device or the security company are performed over an Internet line. Prevention system.