Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1984-01-26
1986-08-05
Buczinski, S. C.
Optics: measuring and testing
Range or remote distance finding
With photodetection
G01C 308, H04N 700
Patent
active
046039732
ABSTRACT:
A system for viewing a lighted scene through a diffusive medium, such as rain, fog, snow, blowing dust, or sand, by overcoming the effects of light backscatter. The system uses a flash lamp which operates in response to short electric pulses at a high repetition rate to give the appearance of continuous illumination. The scene is viewed through a panel which operates as a high-speed optical shutter. The panel serves to block the reflected light (backscatter) from the nearby particles of the diffusive medium and passes the reflected light from the distant objects which make up the scene.
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Beecher Keith D.
Buczinski S. C.
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