Optical touch control device and coordinate determination method for determining touch coordinate
An optical touch control device includes a touch zone, an optical module, including a light source and a sense module for emitting a light signal to a touch object within the touch zone and obtaining an image data of the touch object via the sense module, and a calculation module coupled to the optical module for determining a touch coordinate of the touch object relative to the touch zone according to a pulse of the image data, wherein the pulse comprises a position parameter and a value parameter.
Wistron Corporation
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inventional additional additional
Yu-Yen Shou-Te Shang-Chin Chia-Te
Chen Wei Su Chou