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Anti-interference infrared remote-control decoding method and system

A technology for infrared remote control and decoding data, which is applied in the field of infrared remote control and can solve the problem that infrared remote control is susceptible to interference.

Active Publication Date: 2015-12-02
GUANGZHOU SHIRUI ELECTRONICS
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  • Description
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Problems solved by technology

[0004] Based on this, it is necessary to provide an anti-interference infrared remote control decoding method and system for the problem that infrared remote control is susceptible to interference

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.

[0028] see figure 1 Shown is an embodiment of the anti-jamming infrared remote control decoding method of the present invention. The method for anti-jamming infrared remote control decoding in this embodiment comprises the following steps:

[0029] Step S101: Obtain a pulse sequence containing infrared remote control data, wherein the pulse sequence includes an identification pulse and a valid data pulse segment, and the valid data pulse segment is after the identification pulse;

[0030] Step S102: detecting the identification pulse in the pulse sequence, and intercep...

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Abstract

The invention relates to an anti-interference infrared remote-control decoding method and system. In existing infrared remote-control decoding methods, the problem of resisting outside interference is seldom taken into consideration generally; current infrared remote-control decoding is generally instant decoding, in other words, instant decoding is performed when each pulse reaches, and this mode is difficult for interference resisting and error correction; error correction can be performed only when previous and later pulses are compared, so that decoding is low in anti-interference performance. The method includes that effective infrared remote-control data pulse sections are cut out from a pulse sequence containing infrared remote-control data and repaired to obtain decoded data, and then decoding is performed. In the method, influence of outside interference is taken into consideration, and a data repair algorithm is used to repair the infrared remote-control data, the infrared remote-control data which are interfered can be correctly repaired and decoded with high probability.

Description

technical field [0001] The invention relates to the technical field of infrared remote control, in particular to an anti-interference infrared remote control decoding method and system. Background technique [0002] At present, in the infrared remote control products, the infrared remote control is easily interfered by the outside world, mainly from the infrared interference from the infrared touch frame. The solutions in the prior art cannot identify and correct the infrared interference well, and the infrared remote control cannot be correctly decoded when there is infrared interference. [0003] The current infrared remote control decoding method generally seldom considers the problem of anti-interference, and the current infrared remote control decoding is generally instant decoding, that is, instant decoding when each pulse arrives. It can only be done by comparing the front and back pulses, which leads to poor decoding anti-interference performance. In addition, some ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C23/04
CPCG08C23/04
Inventor 杨起源
Owner GUANGZHOU SHIRUI ELECTRONICS
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