Lens-sphere optical sensing system

Details Lens-sphere optical sensing system Lens-sphere optical sensing system

1989-02-24

1990-06-19

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250216, 250349, 350416, 350448, G01J 106

Patent

active

049356305

ABSTRACT:
A lens-sphere optical system for use in a low resolution, very wide angle optical sensor system for viewing incident energy from a scene of interest. A lens-sphere forms an output image of the scene of interest on a spherical surface. Apparatus for optically filtering the lens-sphere blocks incident energy outside of a predetermined range of incident angles. Apparatus for detecting the optically filtered output image is provided.

REFERENCES:
patent: 3514186 (1970-05-01), Poncelet
patent: 4184749 (1980-01-01), Grossman
patent: 4422733 (1983-12-01), Kikuchi et al.
patent: 4851664 (1989-07-01), Rieger

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