FIELD: optics, measuring equipment.
SUBSTANCE: system of optical measuring transformer of displacement for detecting displacement of object contains: emitter of coherent light for lighting at least a part of object with spatially-coherent light, photo-receiver with at least one sensitive element for transformation of optical signal to corresponding electronic signal, and optical unit with at least three optical elements for displaying various areas of input plane for receiving light emission from the object practically in the same area of photo-detector, due to that generation of oscillating optical signal is performed, which has frequency corresponding to speed of aforementioned object.
EFFECT: increased efficiency.
28 cl, 54 dwg
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