Inductive car entry method based on frequency division, power division and code transmission

A power dividing and inductive technology, applied in the automotive field, can solve the problems of signal interference and single function, and achieve the effect of high cost performance, convenient use, and user-friendly function settings.

Inactive Publication Date: 2017-11-10
深圳市警豹电子科技有限公司
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Problems solved by technology

[0003] The present invention provides an inductive car entry method for transmission by frequency division, power division and code division, which uses different frequency inquiry signals to solve the technical problem of signal interference in the prior art, and adopts the method of distinguishing different frequencies, power or data code signals The method solves the technical problem of single function in the prior art

Method used

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Embodiment Construction

[0010] Specific embodiments of the present invention will be described in detail below.

[0011] This kind of inductive car entry method of frequency division power division code transmission is characterized in that: the method includes the following steps: A. The car entry system sends at least two first interrogation signals and second interrogation signals; B. After receiving the first interrogation signal or the second interrogation signal, the car remote control sends a response signal; C. After the car entry system receives the response signal sent by the car remote control, it controls the car entry system to perform related actions according to signal instructions.

[0012] In the present invention, the interrogation signals sent by the car entry system are signals of two different powers or frequencies. When the signal of one frequency is interfered, the signal of the other frequency can be sent to the car remote control, thereby ensuring the smooth flow of information. T...

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Abstract

An inductive car entry method transmitted by frequency division, power division and code division includes: the car entry system sends at least two first inquiry signals and second inquiry signals; the car remote control receives the first inquiry signal or the second inquiry signal After that, send a response signal; after the car entry system receives the response signal sent by the car remote control, it controls the car entry system to perform relevant actions according to the signal instruction. The present invention adopts the above-mentioned technical solution, so that the keyless car entry system has the characteristics of anti-interference and multi-function, the function setting is more humanized, the cost performance is also higher, and it is convenient for users to use.

Description

Technical field [0001] The present invention relates to automobile technology, in particular to the design of an induction system for entering an automobile. Background technique [0002] The existing car inductive remote control and car entry system both use the car entry system to send 125KH Z When the remote control receives the low-frequency response signal, it will respond to 433.92MH Z After the car enters the system and receives the high-frequency response signal, it will perform related actions. However, this method often causes the signal to be interfered due to the influence of the surrounding environment, resulting in unsmooth information exchange and affecting For normal use. Secondly, the current keyless entry system is only a function of the car door, which is difficult to meet individual requirements, and also restricts the use of the keyless entry system, which is not cost-effective. Summary of the invention [0003] The present invention provides an inductive car...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B49/00
Inventor 杨尧任
Owner 深圳市警豹电子科技有限公司
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