Optical measuring device

Details Optical measuring device Optical measuring device

1982-05-26

1985-06-04

Rosenberger, R. A.

Optics: measuring and testing

By configuration comparison

With photosensitive film or plate

350 691, G01B 1102

Patent

active

045211132

ABSTRACT:
An optical measuring device wherein a workpiece being measured is interposed between a parallel scanning ray beam generating source and a light receiving element, and dimensions of the workpiece being measured is measured from the time length of a dark portion or a bright portion generated due to the obstruction of the parallel scanning ray beams by the workpiece being measured. The aforesaid parallel scanning ray beam generating source comprises: a beam generator; a rotary mirror for reflecting and converting the incident ray beams into rotary scanning ray beams; a ray beam transmitting mechanism for dividing the ray beams from the beam generator in terms of time or quantity and causing the ray beams thus divided to incide into the rotary mirror at a predetermined incident angles; and a collimator lens for converting the rotary scanning ray beams from the rotary mirror into parallel scanning ray beams.

REFERENCES:
patent: 1999023 (1935-04-01), Sharp et al.
patent: 2515762 (1950-07-01), Dimmick
patent: 3394628 (1968-07-01), Mori et al.
patent: 3765774 (1973-10-01), Petrohilos
patent: 4040750 (1977-08-01), Zwiener
patent: 4277178 (1981-07-01), Cushing et al.

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