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Key detecting board

A key and board technology, applied in the touch field, can solve the problems of poor anti-interference ability, poor anti-interference ability, and inapplicable keyboard of the key detection board, so as to reduce the difficulty of calculation, reduce power consumption, and reduce the probability of misoperation Effect

Active Publication Date: 2013-03-27
JIANGSU HUITONG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem to be solved by the present invention is to provide a new key detection board, which can simplify the process of key judgment and identification, solve the problem that the keyboard is in high temperature or other extreme working environment and cannot be applied and the key detection board has poor anti-interference ability and poor anti-interference ability question

Method used

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Embodiment Construction

[0022] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways than those described here, and those skilled in the art can make similar extensions without departing from the connotation of the present invention. Accordingly, the present invention is not limited to the specific embodiments disclosed below.

[0024] The inventor of the present invention proposes the idea of ​​an air touch button based on many defects of the existing capacitive touch screen and its identification methods. By constructing a special touch key structure so that when performing a touch operation, the operator's fing...

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Abstract

A key detecting board comprises a body and a plurality of detecting keys, wherein the detecting keys include a first detecting key positioned at one side of the body and a second detecting key positioned at the side of the board; the first detecting key comprises a plurality of detecting subkeys; the area of any one detecting subkey on the surface of the body is different from the areas of other detecting subkeys; and the second detecting key semi-encloses the first detecting key. The key detecting board provided by the invention can reduce the calculated amount of the processing chips and reduce the power consumption.

Description

technical field [0001] The invention relates to the touch field, in particular to a key detection board. Background technique [0002] With the continuous development of electronic technology, buttons are widely used in household appliances or consumer electronic products due to their fast response, wide application, and adaptability to harsh environments, so that users have more and more opportunities to use buttons to operate. For example, the user can make a call or edit a short message through the keyboard keys of the mobile terminal, select a TV channel through the keys of the TV set, and perform fast forward, rewind or volume selection through the keys of the DVD. [0003] The US Patent Application No. US2005 / 0179673A1 discloses a capacitive key that senses the touch of the user's finger. The existing capacitive key usually includes a key detection board and a keyboard corresponding to the key detection version. Please refer to figure 1 , figure 1 It is a schematic d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K17/96
Inventor 龙涛刘正东龙江
Owner JIANGSU HUITONG GRP