Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1992-04-24
1993-09-07
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
353 26A, G06K 710
Patent
active
052431967
ABSTRACT:
A film image registration system includes a film reader for optically reading a front surface of a film set therein to obtain a film image. A film illumination device emits light to illuminate the film from a back surface of the film. The quantity of light emitted by the film illumination device is controlled according to a given command. The film image is received and formed into an image data file which is stored in a mass data storage.
REFERENCES:
patent: 3885866 (1975-05-01), Stearns
Nelms David C.
Yamada Medical Sharing, Inc.
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