OPTICAL STRUCTURE FOR ROTATION POSITIONING
    1.
    发明申请

    公开(公告)号:US20190170542A1

    公开(公告)日:2019-06-06

    申请号:US15939523

    申请日:2018-03-29

    Abstract: The present disclosure is related a technology of confirming a position using an optical sensor to detect reflected light coming through a through hole formed at a predetermined position on a rotation device. In the present disclosure, the optical sensor and a light source are formed at the same side of a rotatable element so as to reduce the occupied space and simplify the manufacturing process.

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