Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1990-08-10
1992-06-23
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
358 55, H01J 516
Patent
active
051245477
ABSTRACT:
Apparatus is disclosed for reducing lag in photosensors in a color separation assembly having an optical imaging path. The apparatus comprises a plurality of colored LEDs located outside of said optical path and arranged for illumination of the photosensors. The color and location of the colored LEDs are preferably selected to match the transmission and reflection characteristics of the color separation assembly.
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Le Que T.
Nelms David C.
Scitex Corporation Ltd.
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