Scanning device for microline-by-microline illumination and opti

Details Scanning device for microline-by-microline illumination and opti Scanning device for microline-by-microline illumination and opti

1985-09-10

1988-10-18

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

350 961, H01J 516, G02B 614

Patent

active

047789891

ABSTRACT:
An apparatus for microline-by-microline illumination and scanning of a planar original has a number of spaced illumination elements, each having longitudinal and transverse dimensions substantially corresponding to a microline, and a number of spaced light-receiving elements disposed perpendicularly with respect to the microlines and corresponding to the number of desired picture elements along a microline to be scanned. Each light-receiving element at least partially overlaps a microline. The illumination elements and the light-receiving elements are respectively disposed in parallel planes in a common film. Structure is also provided at each overlap of a light-receiving element with a microline for coupling light from an illuminated microline to the light-receiving element.

REFERENCES:
patent: 4634857 (1987-01-01), Fey

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