DLA Piper LLP (US)
Touch positioning method utilizing optical identification (OID) technology, OID positioning system and OID reader
A touch positioning method is adapted for use on a touch surface of optical identification (OID) technology. The touch surface has thereon multiple positioning marks which define multiple touch areas, and multiple identification patterns, each of which is disposed within a respective touch area and is indicative of a location of the respective touch area. The touch positioning method includes steps of capturing an image of at least one of the touch areas of the touch surface, determining, from among said at least one of the touch areas, a located touch area in which a center point of the image is located, and analyzing the identification pattern which is disposed within the located touch area, so as to obtain the location of the located touch area.
WISTRON CORPORATION
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G06F G06F G06F
inventional inventional inventional
Po-Liang Chia-Chang Yu-Yen
Huang Hou Chen