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Composite PKE (passive keyless entry) automobile encryption and antitheft system

An anti-theft system and automobile technology, applied in transmission systems, vehicle parts, vehicle accessories for anti-theft, etc., can solve the problem of increasing the possibility of cracking by criminals, and achieve reduced power consumption, increased cracking difficulty, and excellent low power consumption. Effects of Features

Inactive Publication Date: 2015-07-22
深圳聚电智能科技股份有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] The traditional car PKE encryption method is well known to everyone, and the possibility of being cracked by criminals is greatly increased. Therefore, it is necessary to develop a new type of composite encryption PKE anti-theft system to improve the safety of future cars.

Method used

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  • Composite PKE (passive keyless entry) automobile encryption and antitheft system
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  • Composite PKE (passive keyless entry) automobile encryption and antitheft system

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings, but this should not limit the protection scope of the present invention.

[0018] In order to facilitate the description and understanding of the technical solutions of the present invention, the orientation nouns involved in the following, such as up, down, left, and right, are all subject to the orientation shown in the drawings.

[0019] A kind of composite PKE automobile encryption anti-theft system of the present invention (abbreviation encryption anti-theft system, see Figure 1-4 ), including a base station and a transponder, the base station is installed on the car, and the transponder is installed on the car key; The receiving circuit, the transponder includes a transponder microcontroller, a transponder bluetooth module, a transponder low frequency receiving circuit, a transponder high frequency transmitting circuit and a battery; the base station bluetooth mod...

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Abstract

The invention discloses a composite PKE (passive keyless entry) automobile encryption and antitheft system. The composite PKE automobile encryption and antitheft system comprises a base station and a transponder, wherein the base station is arranged on an automobile; and the transponder is arranged on a key of the automobile. The composite PKE automobile encryption and antitheft system is characterized in that the encryption and antitheft system mainly comprises two encryption modes, the first encryption mode is a medium-distance and remote Bluetooth encryption mode, and the second encryption mode is a near-distance encryption mode which is similar to the traditional PKE encryption mode. The encryption and antitheft system comprises the composite remote and near-distance double-encryption mode, random weighting codes are added to perform scrambling on the basis of encrypted rolling codes, the safety of the system is twice greater than that of the traditional PKE encryption system, and the cracking difficulty is greatly increased. Compared with the traditional PKE encryption system, the composite PKE automobile encryption and antitheft system has the advantages that only a Bluetooth wireless communication circuit is added, and because the Bluetooth wireless communication circuit has excellent low-power-consumption characteristic, power consumption can be reduced further in a low-speed breathing mode.

Description

technical field [0001] The invention relates to the technical field of front-mounted and rear-mounted driving anti-theft equipment for automobiles, in particular to a compound PKE encrypted anti-theft system for automobiles. Background technique [0002] The traditional car PKE (keyless entry) encryption anti-theft system, the working mechanism is that the base station (car) first conducts short-distance (1-3 meters) low-frequency (125KHz) inquiry, and the legal transponder (smart key) then passes the high-frequency ( 315 / 433MHz), the encrypted rolling code information is sent back, the base station completes legal identity authentication after decryption, and the vehicle is automatically disarmed. [0003] The traditional car PKE encryption method is well known to everyone, and the possibility of being cracked by criminals is greatly increased. Therefore, it is necessary to develop a new type of composite encryption PKE anti-theft system to improve the safety of future cars...

Claims

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Application Information

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IPC IPC(8): H04L29/06G07C9/00H04W4/00B60R25/20
CPCB60R25/20B60R2325/101B60R2325/108G07C9/00309H04L63/0428H04W4/80Y02D30/70
Inventor 肖彤
Owner 深圳聚电智能科技股份有限公司
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