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公开(公告)号：US20180348373A1
公开(公告)日：2018-12-06
申请号：US15841376
申请日：2017-12-14
Applicant: PixArt Imaging Inc.
Inventor： Hui-Hsuan CHEN , Cheng-Lin YANG , Tzu-Yu CHEN
Abstract: A tracking device including an image sensor, a light source and a processor is provided. The image sensor senses reflected light or scattered light formed by the light source illuminating a work surface. The processor calculates a trace of the tracking device according to one of the reflected light and the scattered light that generates more apparent image features so as to increase the adaptable work surfaces.
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