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公开(公告)号：US10210412B2
公开(公告)日：2019-02-19
申请号：US15347309
申请日：2016-11-09
Applicant: PIXART IMAGING INC.
Inventor： Boon-How Kok , Keen-Hun Leong , Ching-Geak Chan , Chiang-Hee Lim , Chu-Leik Ho , Hsin-Chia Chen , Yen-Min Chang
Abstract: The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting surface features of the working surface.
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