System for detecting stray light

Details System for detecting stray light System for detecting stray light

1993-07-16

1995-03-14

Britton, Howard W.

Television

Special applications

348 86, 348125, 348189, 348217, H04N 718

Patent

active

053980557

ABSTRACT:
An apparatus for detecting undesired stray light generated in an electronic device, comprising a high sensitive photosensing device for picking up an image of the electronic device which emits the stray light and an image pickup filter for eliminating undesired signal components contained in the sensed output by the high sensitive photosensing device.

REFERENCES:
patent: 4031597 (1977-06-01), Nubani
patent: 4680635 (1987-07-01), Khurana

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