Title:
COORDINATE DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/066160
Kind Code:
A1
Abstract:
[Problem] To reduce an error generated in a correction amount due to pen inclination regarding a coordinate detection method which uses a correction table. [Solution] A coordinate detection method according to the present invention includes: a coordinate detection step S1 for acquiring detection coordinates corresponding to the position of a pen tip electrode of a pen by detecting a distribution of signal levels within a touch surface through use of a plurality of linear electrodes arranged within the touch surface; an inclination detection step S2 for acquiring inclination data indicating pen inclination; and a correction amount acquisition step S3 for acquiring a correction amount corresponding to a combination of the detection coordinates detected in the step S1 and the inclination data detected in the step S2 by referring to a correction table where the combination of the coordinates and the inclination data are associated with the correction amount.
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Inventors:
CHOU CHIN-CHUAN (TW)
HSIEH CHENGLIANG (TW)
SANO SHIGEYUKI (JP)
LIU JUI MIN (JP)
HSIEH CHENGLIANG (TW)
SANO SHIGEYUKI (JP)
LIU JUI MIN (JP)
Application Number:
PCT/JP2019/024191
Publication Date:
April 02, 2020
Filing Date:
June 19, 2019
Export Citation:
Assignee:
WACOM CO LTD (JP)
International Classes:
G06F3/041; G06F3/03; G06F3/044
Domestic Patent References:
| WO2014174772A1 | 2014-10-30 |
Foreign References:
| US20160154528A1 | 2016-06-02 | |||
| JPH09230989A | 1997-09-05 | |||
| JP2016153954A | 2016-08-25 | |||
| JPH07319603A | 1995-12-08 |
Attorney, Agent or Firm:
KUROSE Yasuyuki (JP)
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