Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
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
Fields Carolyn E.
Honeywell Inc.
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