Retro-reflective electro-optical angle measuring system

Details Retro-reflective electro-optical angle measuring system Retro-reflective electro-optical angle measuring system

1980-12-18

1985-01-08

Buczinski, S. C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

250202, 356150, 356151, 318577, G01B 1126, G01C 2106

Patent

active

044924658

ABSTRACT:
A scanning angle tracker which includes a laser beam and a beamsplitter for developing two beams which intersect on a scanning mirror. The scanning mirror sweeps the two beams across a retro-reflective tape on the object. Return signals are generated for processing to provide the desired angular information.

REFERENCES:
patent: 3443108 (1969-05-01), Burmeister
patent: 3711717 (1973-01-01), Rich et al.
patent: 3812325 (1974-05-01), Schmidt
patent: 3865483 (1975-02-01), Wajcik
patent: 4007991 (1977-02-01), Robertsson
patent: 4045140 (1977-08-01), Bumgardner
patent: 4227807 (1980-10-01), Pond et al.
patent: 4373804 (1983-02-01), Pryor et al.

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