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Anti-theft alarm for vehicle and its signal processing method

An anti-theft alarm and signal technology, which is applied to vehicle parts, anti-theft vehicle accessories, transportation and packaging, etc., can solve the problems of low alarm reliability rate of remote control, no alarm function of remote control, short distance of radio alarm signal, etc. , to achieve the effect of solving the contradiction between the service life of the battery and the effect of receiving radio signals, good long-distance receiving ability, and improving the reliability of the alarm

Inactive Publication Date: 2002-08-21
王遂柱
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] But the automobile anti-theft alarm that prior art manufactures has following shortcoming: 1. The remote controller receives the radio alarm signal distance that anti-theft alarm sends out relatively close, and the signal is greatly influenced by building block, and when exceeding the effective receiving range, car owner often I don't know, the reliability rate of the remote control alarm is very low
2. When the car is on alert, if the owner leaves the car, especially when the vehicle cannot be seen, there will be no display on the remote control for the owner to inspect the car
3. In case the thief quietly avoids the sensor in the anti-theft alarm installed on the car, cuts the wire, removes the anti-theft alarm, and the remote control has no alarm function
4. When the power supply system of the car itself to the anti-theft alarm fails or the anti-theft alarm fails and the radio alarm fails, the remote control does not display the alarm function.
5. The power supply battery installed on the remote control has a short service life

Method used

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  • Anti-theft alarm for vehicle and its signal processing method
  • Anti-theft alarm for vehicle and its signal processing method
  • Anti-theft alarm for vehicle and its signal processing method

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Embodiment 1

[0051] Embodiment 1: This embodiment is an implementation manner using the signal processing method of the present invention.

[0052] see Figure 1~3 , a vehicle anti-theft alarm using automatic radio detection signals, comprising: a two-way password response radio transmission and reception of an anti-theft alarm and a portable remote controller;

[0053] The anti-theft alarm includes: a relay 21 and a stabilized power supply 22, the relay 21 is connected with the collector of the triode BG4 of the drive circuit 25, a receiving decoder 17, the receiving decoder 17 and the pulse generator 15 and the time delay device 20 connects; One is used for the antitheft sensor 18 of signal collection, and antitheft sensor 18 is connected with delayer 20, and delayer 20 is connected with a pulse generator 16 and is interconnected with inverter 19, and inverter 19 is connected with another The pulse generator 15 is connected; The pulse generator 15 and the pulse generator 16 are intercon...

Embodiment 2

[0064] Embodiment 2: This embodiment is another implementation manner using the signal processing method of the present invention.

[0065] see Figure 4~6 , a vehicle anti-theft alarm using automatic radio detection signals, comprising: a two-way password response radio transmission and reception of an anti-theft alarm and a portable remote controller;

[0066] The anti-theft alarm includes: a single-chip microcomputer 24, a receiving decoder 17, a coding transmitter 1, a drive circuit 25, an anti-theft sensor 18 for signal collection, a relay 21 and a stabilized power supply 22;

[0067] The relay 21 is connected with the collector of the transistor BG4 of the driving circuit 25, the base of the transistor BG4 of the driving circuit 25 is connected with the output terminal of the single-chip microcomputer 24, and the receiving decoder 17 and the anti-theft sensor 18 are respectively connected with the input terminal of the single-chip microcomputer 24 , the output terminal ...

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Abstract

One anti-theft alarm for vehicle with autoamtic radio signal detection and its signal processing method is disclosed. The alarm consists of one bi-directional cipher responding ratio transmitting and receiving unit and one portable remote controller. Detection signal is sent out to make the remote controller possesses continuous radio receiving effect and intermittent powering mode of radio receiving circuit. The present invention solves the contraditional between the service life of battery in the remote controller and the radio signal receiving effect and this results in high reliability of the alarm.

Description

[0001] 1. Field [0002] The invention relates to an anti-theft alarm device, in particular to an anti-theft remote alarm device for vehicles and a signal processing method which is suitable for automobiles and motorcycles and adopts radio automatic detection. 2. Background technology [0003] The automobile anti-theft alarm that prior art manufactures at present, comparatively generally adopts two-way radio remote control mode, comprises, a remote controller, an anti-theft alarm. Its working principle is: remote control: easy to carry with the car owner, can send out radio signals, control the working status of the anti-theft alarm installed on the car, and can also receive the radio alarm signal sent by the anti-theft alarm on the car; anti-theft alarm: use Because it is installed on the car, the anti-theft alarm is responsible for sending out radio alarm signals, and at the same time, it sends out an alarm sound. [0004] But the automobile anti-theft alarm that prior art ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R25/10
Inventor 王遂柱
Owner 王遂柱
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