JP2006298347A - Anti-theft device for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device of "low technology" with low cost requiring labor for theft and capable of being not skimmed since an expensive device is required for vehicle anti-theft and therefore, is not mounted to a general vehicle even if it is required. <P>SOLUTION: A final signal is outputted by a device for only receiving ID electric wave signal of two-channel transmitted from the outside and a signal coincident with the ID and AND of the coincident signal of two systems and a power source circuit of respective starting equipments is turned ON-OFF by the output to prevent the bicycle from theft. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is an apparatus for preventing theft of general vehicles and construction machinery vehicles.

  Many conventional antitheft devices for automobiles have an ECU that is stopped and converted to ID by advanced electronic technology.

After investigating the patent as an automobile anti-theft device, a relay switch with a normally open contact was placed in series with the wiring connecting the engine key switch and the cell motor, and the engine key switch was broken and the wiring was directly connected. However, the motor does not rotate and the engine does not start (see Patent Document 1) or an immobilizer that unlocks the ECU with a variable code is installed, and this code matches within a predetermined time. Otherwise, operation is prohibited (see Patent Document 2). Or other high-tech anti-theft measures such as making it impossible to start by turning on / off the middle of the 6 signal lines connecting the shift switch and AT control circuit of an automatic car with a switch unit (see Patent Document 3). Many devices are found.
Patent Publication 2001-347925 Patent Publication 8-30873 Patent Publication 2003-118540

Problems to be solved by the invention

In order to make the anti-theft device as described above more secure, it requires a secret code, a device on the wiring, and more complicated and advanced technology, and the price will continue to rise.
The advanced technology is also disclosed by more advanced skimming and theft is not reduced.

  In high-end cars, anti-theft devices can be used if they can be expected even if they are somewhat expensive. However, in recent years, thefts used for crimes have increased, and many popular commercial vehicles and family cars have been stolen. In addition, construction machines and vehicles on construction sites are often used for crimes, and it is desirable that the anti-theft device cannot be easily analyzed such as skimming at low cost.

  To prevent the car from being stolen in the first place, it is good if the car cannot run. For this purpose, there are various methods, but first, it is desirable that the anti-theft device cannot be determined.

  Few people steal through procedures such as checking and repairing what is wrong with a car that is out of order. Even if it is not a luxury car, stealing is risky and consequently difficult to steal.

  For this purpose, the motor must be operated when the engine key is directly connected and the engine is started.

  Further, at this time, it is highly probable to give up stealing if the gasoline remaining meter is stopped with the needle pointing to zero.

Means for Solving the Invention

  The apparatus of the present invention comprises an ID radio signal transmitted from the outside, a receiving device for the ID radio signal, and a switch unit operated by the received signal.

Embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a transmission unit for ID radio wave transmission according to the present invention, and FIG. 2 shows a reception unit according to the present invention.
FIG. 3 shows a switch unit that receives the output signal of the receiving unit and opens and closes an igniter and a fermator circuit.

  As shown in FIG. 1, the ID radio wave transmission unit has an ID unique to this apparatus and makes a pair with the reception unit of FIG. This transmitter is provided with two or three push buttons, and the start of the automobile is controlled by the push button operation.

  When the push buttons 2 and 3 of the transmitter are pressed for a long time (about 5 seconds), the setting value of the preset counter of the receiver is set to a code for inputting.

  Therefore, pressing the push button by the number of set numbers 2 and 3 (1 second / once), and pressing 2 and 3 at the end will complete the preset.

  As a result, the receiving unit matches the preset number of times by the number of times of pressing 2 and 3 in addition to the matched ID signal, and outputs an output to the switch unit of FIG.

  When the receiving unit of FIG. 2 receives the ID radio wave of FIG. 1, after confirming the coincidence of the ID signal, the receiving unit counts the number of push buttons 2 and 3, and the number of times coincides with the preset number of times. After that, the synthesized output is output from 6.

  The switch unit shown in FIG. 3 receives the output 6 and opens / closes the igniter and the fermator to determine whether the vehicle can run or not.

The invention's effect

  As described above, the present invention is not an expensive high-tech device, but is attached to a general vehicle at a low cost to cope with the recently increased easy theft and to identify individual IDs and prevent skimming by low-tech. As a matter of fact, the circuit is opened and closed by combining two numbers for a two-dial type safe, and the engine starting cell operates normally, so the failure location cannot be easily identified. Therefore, it is highly probable to give up stealing.

  Furthermore, the preset counter setting can be changed at any time and can be changed after use by another person to ensure safety.

  Transmitter unit   Receiver unit   Switch unit

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Transmission unit 2 Button 3 Button 4 Reception unit 5 Reception 6 Output of composite output 7 Input of composite output 8 Igniter 9 Fermeter

Claims (2)

  A device that receives only a 2-channel ID radio signal transmitted from the outside and a signal that matches the ID, and a preset counter that divides the received 2-channel signal into two systems, respectively, detect a matching signal, An anti-theft device for automobiles which outputs a final signal by AND of two systems of coincidence signals and turns on / off the power supply circuit of each starting device from the output to prevent the automobile from being stolen.   An anti-theft vehicle anti-theft device in which the set value of the counter can be freely changed according to the transmission time of the two-channel ID radio signal transmitted from the outside.

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