A secure device for vehicular theft prevention

A technology of a security device and a password key, which is applied in the field of vehicle anti-theft security devices, and can solve the problems of low anti-theft security performance, single function, loss of function, etc.

Inactive Publication Date: 2007-10-17
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mechanical ones are easy to imitate, and the anti-theft safety performance is not high; electronic ones need battery power supply, and when the battery power supply is insufficient, the electronic products will lose their function
At the same time, the existing products have single function, simple structure and easy imitation

Method used

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  • A secure device for vehicular theft prevention
  • A secure device for vehicular theft prevention
  • A secure device for vehicular theft prevention

Examples

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Embodiment Construction

[0018] As shown in Figures 1 to 4, a vehicle-mounted anti-theft safety device includes a vehicle-mounted code reader and a coded key. The coded key 1 is internally provided with a mode switch 4 for determining different working states, and through a USB interface 3 It is connected with the vehicle-mounted code reader 2; the password key 1 is connected with the power supply circuit 11 through the USB interface, and according to the working state of the mode switch 4, the password data set by the encoder 7 is passed through the USB through the electronic switch 8. The interface 3 outputs to the vehicle-mounted code reader 2 . The model of the control chip of the encoder 7 is SG2262. Vehicle-mounted code reader 2 is made up of decoding circuit 9, driving circuit 10, power supply circuit 11, and described power supply circuit 11 is connected with USB interface 3, decoding circuit 9, driving circuit 10 respectively, and the input end of decoding circuit 9 is connected with USB The...

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PUM

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Abstract

The invention discloses a vehicular theftproof safety device comprising a vehicular code reader, a cipher key in which a mode switch for determining different work states is provided and is connected with the vehicular code reader; the different work states are switched by a special code is built in an electronic encoded integrated chip and by the mode switch. When entering a cipher key function, the cipher key with a U-disk structure is inserted in a USB interface of an automobile body, a work power source for the cipher key is provided by the USB interface, the vehicular code reader read a cipher provided in the cipher key so as to complete decoding of an electronic cipher. With opening and closing of a delay drived and mounted in the automobile, a power source of an engine management unit (ECU) of the automobile is controlled, thereby safety control and a theftproof function of the automobile are realized. The device has a two-in-one function of data storage and automobile electronic encryption, solves problems of a current automobile key with single function and simple structure, so that products has both digital and electronic functions, practicability and safety.

Description

technical field [0001] The technical solution to be protected by the present invention relates to a vehicle-mounted anti-theft safety device. Background technique [0002] At present, the car anti-theft safety devices on the market are all mechanical or electronic, and use the on-board control chip to complete signal recognition, and then control the switch of the relay, so as to control various ignition switches or control interfaces on the car. Mechanical ones are easy to imitate, and the anti-theft safety performance is not high; electronic ones need battery power supply, and when the battery power supply is insufficient, the electronic products will lose their function. Simultaneously existing product function is single, and structure is simple, is easy to imitate. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a vehicle-mounted anti-theft safety device with good reliability and high anti-theft safety perfo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G07C9/00B60R25/04
Inventor 汪春年
Owner CHERY AUTOMOBILE CO LTD
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