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公开(公告)号：US20200166382A1
公开(公告)日：2020-05-28
申请号：US16694189
申请日：2019-11-25
Applicant: TT Electronics PLC
Inventor： Brent Hans Larson , Virgil Ararao , James P. Cusey
IPC: G01D5/347
Abstract: An optical encoder system includes: a light emitter configured to emit a light flux; a plurality of photodetectors in an array, wherein each photodetector is operable to generate a current in response to the light flux; and a target object positioned to reflect the light flux onto the plurality of photodetectors; wherein the light emitter is configured to produce a non-circular pattern of the light flux.
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