Touch type key and detection method therefor

A touch and key technology, applied in the direction of keyboard coding, electrical components, electronic switches, etc., can solve the problems of complex key structure and high cost, and achieve the effect of strong anti-interference ability, good ease of use, and simple peripheral circuits.
CN102394624AActive Publication Date: 2012-03-28FEITIAN TECHNOLOGIES
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
FEITIAN TECHNOLOGIES
Publication Date
2012-03-28

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Abstract

The invention provides a touch type key and a detection method therefor. The touch type key comprises a touch key module, a partial pressure transmission module, and a processing module, wherein the partial pressure transmission module comprises three end nodes including an end node 1, an end node 2 and an end node 3; the processing module comprises three end nodes including an end node P1, an end node P2, and a grounding end node; the end node P1 and the end node P2 of the processing module are connected with the end node 1 and the end node 2 of the partial pressure transmission module respectively, and the grounding end node of the processing module is grounded; and the touch key module has one end node 4 connected with the end node 3 of the partial pressure transmission module. The touch type key provided by the invention is realized through a most basic component, and has the advantages of low cost, strong anti-interference ability, simple peripheral circuit, good use easiness, simplicity in operation, and long service cycle.
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Description

technical field

[0001] The invention relates to a touch key and a detection method thereof, belonging to the field of electronic products. Background technique

[0002] At present, the mechanical keys used in many devices occupy a large volume, have a short life, are difficult to operate, and are expensive.

[0003] With the development of control technology, touch buttons have gradually replaced mechanical buttons. Products using touch buttons usually have more convenient operation, more fashionable and beautiful appearance, reliability and durability, no spark interference, no mechanical movement, simple structure, and can be fully enclosed. installation and many other advantages.

[0004] The touch button can detect whether the button is pressed through some components with different functions combined with the programming of the MCU; however, the existing touch button structure is relatively complicated, and the cost of implementation is relatively high. Contents of t...

Claims

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