| 摘要 |
A non-contact type position transducer has a light emitting block for splitting a light beam into two light sub-beams and a light detecting block for receiving one of the light sub-beams and another light sub-beam radiated from another light emitting block, and the light emitting blocks and the light detecting blocks shared between a plurality of non-contact type position transducers make the arrangement of non-contact type position transducers simple.
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