CAPACITANCE STYLUS SYSTEM, CAPACITANCE STYLUS AND CAPACITANCE STYLUS CONTROL CIRCUIT

WIPO Patent Application WO/2018/170871

A1

Disclosed are a capacitance stylus system, capacitance stylus and capacitance stylus control circuit, and the capacitance stylus system comprises: a capacitance stylus (1) and an electronic device (2), wherein the capacitance stylus (1) comprises an active electrode module (101), a passive sensor module (102), a first control module (103) and a first wireless communication module (104). The active electrode module (101) comprises an active electrode, and the passive sensor module (102) comprises a passive electrode; the electronic device (2) comprises a touch position detection module (201), a second control module (202), a second wireless communication module (203) and an operation execution module (204). By adding the passive sensor module (102) to the tail of the capacitance stylus (1), an erasing intention of a user can be acquired from the tip of the capacitance stylus, and the erasing intention is sent to the electronic device (2) via the first wireless communication module (104), so as to perform erasing without the need to mount an active transmission module at the tail of the capacitance stylus (1), thus simplifying structural design, saving on production costs, and decreasing power consumption.

WEI HAIJUN (CN)

PCT/CN2017/078034

September 27, 2018

March 24, 2017

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SHENZHEN HUIDING TECHNOLOGY CO (CN)

G06F3/0354

CN105975105A	2016-09-28
CN205103788U	2016-03-23
CN102789324A	2012-11-21
CN104049819A	2014-09-17
US20140133134A1	2014-05-15

BEIJING TIAN QI ZHI XIN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)

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