Passive optical rangefinder-sextant

Optics: measuring and testing – Range or remote distance finding – With photodetection

Patent

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Details

356 1, 356141, 356144, 356146, 356255, 358103, G01C 308, G01B 1126, G01C 100

Patent

active

041621247

ABSTRACT:
A passive opto-electric rangefinder with remotely controllable index mirr independently rotatable about normal axes, each axis perpendicular to the line-of-sight.

REFERENCES:
patent: 3498717 (1970-03-01), Kumagai
patent: 3796492 (1974-03-01), Cullen et al.
patent: 3889052 (1975-06-01), Back
patent: 3985446 (1976-10-01), Feldman et al.
patent: 4009960 (1977-03-01), Feldman et al.

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