专利名称：DIGITIZER USING POSITION-UNIQUE
OPTICAL SIGNALS
发明人：Bernard O. GEAGHAN申请号：US13545019申请日：20120710
公开号：US20130016071A1公开日：20130117
专利附图：
摘要：The present invention provides systems and methods of using a stylus thathouses optics and a detector capable of receiving optical signals that are combined with adisplayed image. Stylus position determination is made by analyzing received optical
signals.
申请人：Bernard O. GEAGHAN
地址：Salem NH US
国籍：US
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