发明名称 Coordinate positioning system and method with in-the-air positioning function
摘要 A coordinate positioning system with in-the-air positioning function includes an illuminator and an image sensor. The illuminator produces a directional light. The image sensor receives the directional light produced by the illuminator and produces an image corresponding to the directional light to accordingly analyze the image and obtain a rotating angle corresponding to the directional light.
申请公布号 US8159459(B2) 申请公布日期 2012.04.17
申请号 US20080222677 申请日期 2008.08.14
申请人 CHEN LI-MING;SUNPLUS MMEDIA INC. 发明人 CHEN LI-MING
分类号 G06F3/033 主分类号 G06F3/033
代理机构 代理人
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