Optical scanning systems

Details Optical scanning systems Optical scanning systems

1974-08-06

1976-01-27

Stolwein, Walter

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250238, 350 7, H01J 314

Patent

active

039354482

ABSTRACT:
An optical scanning system has a dirigible head of generally spherical shape mounted on a support body for scanning through a substantially hemispherical field of view, and optical lenses, a scanner rotor and drive motor therefor, and a cryogenically-cooled detector element array are all mounted within the confines of the dirigible head. The head has a primary objective lens in its outer shell and further lenses are mounted within the head in an adjustable holder enabling different lenses to be brought into alignment with the objective lens. The scanner rotor is generally annular and rotates about an axis oblique to the optical axis of the objective lens; it comprises a multi-faceted reflector receiving the image beam from the lens system and reflecting it laterally on to the detector array.

REFERENCES:
patent: 2901942 (1959-09-01), Tackaberry
patent: 3614194 (1971-10-01), Harris
patent: 3742238 (1973-06-01), Hoffman
patent: 3829192 (1974-08-01), Wheeler

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