Optical rotary encoder
作者： Yoichi Ohmura , Toru Oka
DOI:
关键词:
摘要: An optical rotary encoder for acquiring rotation information regarding a shaft includes light source located on or in the vicinity of axis emitting rays and code wheel mounted about rotation. The has plurality alternating transmissive non-light areas circumferential direction. A reflector is spaced distance from reflecting emitted so that they are turned into parallel beam light. illuminates passing through directed toward peripheral region source. also one more light-detecting elements detecting areas.
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