Title:
PRESSURE DETECTION DEVICE, PRESSURE DETECTION METHOD, AND ELECTRONIC TERMINAL
Document Type and Number:
WIPO Patent Application WO/2018/049633
Kind Code:
A1
Abstract:
A pressure detection device, a pressure detection method, and an electronic terminal. The pressure detection device comprises a pressure sensing electrode (102), a first auxiliary electrode, a compensation electrode (104), and a second auxiliary electrode; the pressure sensing electrode (102) and the first auxiliary electrode form a pressure detection capacitor; the compensation electrode (104) and the second auxiliary electrode form a compensation capacitor, the capacitance value of which varies depending on a change in the environment, so as to compensate a change of the pressure detection capacitor due to the change in the environment; the compensation electrode (104) is located at the periphery of an array formed by multiple pressure sensing electrodes (102) or inserted in the array, so that the reliability and accuracy of pressure detection is improved.
Inventors:
CHENG LEIGANG (CN)
WEN DAFEI (CN)
LIU WU (CN)
WEN DAFEI (CN)
LIU WU (CN)
Application Number:
PCT/CN2016/099138
Publication Date:
March 22, 2018
Filing Date:
September 14, 2016
Export Citation:
Assignee:
SHENZHEN HUIDING TECHNOLOGY CO (CN)
International Classes:
G06F3/044
Domestic Patent References:
| WO2015133251A1 | 2015-09-11 |
Foreign References:
| CN105353934A | 2016-02-24 | |||
| CN102722300A | 2012-10-10 | |||
| CN104391615A | 2015-03-04 | |||
| CN103927064A | 2014-07-16 | |||
| CN105094469A | 2015-11-25 | |||
| CN101882040A | 2010-11-10 |
Attorney, Agent or Firm:
BEIJING HEADSTAY INTELLECTUAL PROPERTY INC. (CN)
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