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Capacitive touch key identification device with self-calibration function

An identification device and capacitive technology, applied in electrical components, electronic switches, pulse technology, etc., can solve problems such as poor anti-interference ability and insufficient sensitivity, and achieve the effect of reducing false triggers

Inactive Publication Date: 2015-07-22
XIAMEN XINWANG ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] With the development of electronic products, touch screens have become more and more common. The current capacitive touch key recognition generally has problems such as insufficient sensitivity and poor anti-interference ability.

Method used

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  • Capacitive touch key identification device with self-calibration function

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0011] Such as figure 1 As shown, the capacitive touch key recognition device with self-calibration function includes the first switch gate 1, the second switch gate 2, the third switch gate 3 and the fourth switch gate 4 connected in sequence, the first switch gate 1 and the second switching gate 2 are connected with a PAD induction plate 8, and the connecting line between the second switching gate 2 and the third switching gate 3 is connected with a first charge collection capacitor 5, and the described The connection between the third switch gate 3 and the fourth switch gate 4 is connected with a second charge collection capacitor 6 . The capacitive touch key identification device with self-calibration function of the present invention, through the first switch gate 1, th...

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Abstract

The invention discloses a capacitive touch key identification device with a self-calibration function. The capacitive touch key identification device comprises a first open door, a second open door, a third open door and a fourth open door, a PAD sensing disc is connected to a connecting line between the first open door and the second open door, a first charge collection capacitor is connected to the connection line between the second open door and the third open door, and a second charge collection capacitor is connected to the connection line between the third open door and the fourth open door. Interference resisting capability of a capacitive touch product is improved through cooperation of the first open door, the second open door, the third open door, the fourth open door, the first charge collection capacitor and the second charge collection capacitor, flexibility is improved, and the range of application is greatly developed.

Description

technical field [0001] The patent of the invention belongs to the technical field of capacitive touch key identification, and specifically relates to a capacitive touch key identification device with self-calibration function. Background technique [0002] With the development of electronic products, touch screens have become more and more common. The current capacitive touch key recognition generally has problems such as insufficient sensitivity and poor anti-interference ability. Contents of the invention [0003] In order to overcome the above-mentioned technical defects, the object of the present invention is to provide a capacitive touch key identification device with a self-calibration function, which has a simple structure, strong anti-interference ability and high sensitivity. [0004] In order to achieve the above object, the present invention is achieved through the following technical solutions: a capacitive touch key identification device with self-calibration ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K17/96
Inventor 黄河巨克军刘启鑫
Owner XIAMEN XINWANG ELECTRONICS TECH CO LTD
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