Film image reading system

Details Film image reading system Film image reading system

1989-10-27

1991-05-07

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 80, H04N 146

Patent

active

050141236

ABSTRACT:
A film image reading system for reading the projected image obtained by projecting an image of an original sheet film on a film image reading body by the light source lamps for a film projector. The film image reading body are provided with an imaging unit for reading the projected image by photo-electric conversion, an amplifier for amplifying the image reading signals from the imaging unit, and a gain control circuit for controlling the value of the gain of the amplifier.

REFERENCES:
patent: 4642679 (1987-02-01), Nango
patent: 4734762 (1988-03-01), Aoki
patent: 4873570 (1989-10-01), Suzuki

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