Touch system
A touch system includes a touch panel; an active pen configured to generate a signal; and a touch controller electrically connected to the touch panel and configured to detect the signal. When the touch controller supports at least two protocols, a protocol of the touch controller is automatically switched to one of the at least two protocols. The active pen automatically detects the one of the at least two protocols, and a protocol of the active pen is switched to the one of the at least two protocols.
Silicon Integrated Systems Corp.
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Chien-Yu Chih-Sheng Han-Ning Shih-Chan Kai-Chun
Chiang Chou Chen Huang Chuang