Film image reading system
AssigneeFuji Xerox Co., Ltd.
InventorYoshiya Imoto
Life of this patent
Estimating the term…
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.
Claims13
A film image reading system for reading an image recorded on an original sheet film, the image having a density and the original sheet having a deviation of density, comprising:
- a projector means for projecting said image recorded on said original sheet film;
- and
- a film image reading body having an imaging unit means for reading said projected image and for photo-electrically converting said image into an image signal corresponding to said density of said image, an amplifier means for amplifying said image signal in accordance with a gain of said amplifier means, and a gain control circuit means for controlling the gain of said amplifier in accordance with said deviation of density of said original sheet film.
Dependencies are inferred from the claim text.