Title:
METHOD FOR RECOGNIZING MULTIPLE CAPACITIVE STYLUSES, TOUCH CONTROL UNIT, TOUCH PANEL, AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/169599
Kind Code:
A1
Abstract:
Provided are a method for recognizing multiple active capacitive styluses, a touch control unit, a touch panel, and a touch system. The method comprises the following steps: acquiring recognition signals transmitted by multiple active capacitive styluses, and recognizing the multiple active capacitive styluses and coordinates of reported touch points thereof (S11); and when a touch panel is in a mutual capacitance mode, deleting coordinates of ghost touch points from the reported touch points to obtain actual coordinates of the respective active capacitive styluses (S12). In the method, coordinates of ghost touch points are deleted, such that specific positions of multiple active capacitive styluses can be accurately recognized, thereby improving positioning precision and user experience.
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Inventors:
CHIU FENGCHING (CN)
WANG PENGFEI (CN)
WANG PENGFEI (CN)
Application Number:
PCT/CN2018/078411
Publication Date:
September 12, 2019
Filing Date:
March 08, 2018
Export Citation:
Assignee:
INFOVISION OPTOELECT KUNSHAN (CN)
International Classes:
G06F3/044
Foreign References:
| CN102023768A | 2011-04-20 | |||
| CN104077001A | 2014-10-01 | |||
| CN102214033A | 2011-10-12 | |||
| CN102043500A | 2011-05-04 | |||
| CN101887336A | 2010-11-17 | |||
| US20150009175A1 | 2015-01-08 |
Attorney, Agent or Firm:
PSHIP FIRM, LLC (CN)
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