Lens-sphere optical sensing system
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United States of America Patent
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Jun 19, 1990
Grant Date -
N/A
app pub date -
Feb 24, 1989
filing date -
Feb 24, 1989
priority date (Note) -
Expired
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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.
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