Seed IP Law Group LLP
Coordinate detection method
A coordinate detection method includes detecting coordinates corresponding to a position of a pen tip electrode of a pen by detecting distribution of signal levels in a plane of a touch surface through use of a plurality of linear electrodes disposed in the plane of the touch surface; detecting tilt data indicating a tilt of the pen; and acquiring a correction amount corresponding to a combination of the coordinates and the tilt data by referencing a correction table defining a correspondence between correction amounts and combinations of coordinates and tilt data.
Wacom Co., Ltd.
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Chengliang Jui Min Chin-Chuan Shigeyuki
Hsieh Liu Chou Sano