Facsimile and static presentation processing – Facsimile – Picture signal generator
Patent
1990-01-18
1993-08-31
Ng, Jin F.
Facsimile and static presentation processing
Facsimile
Picture signal generator
358474, 358475, 358497, H04N 104
Patent
active
052414060
ABSTRACT:
A conventional flat bed greyscale digitizing scanner which operates in conjunction with reflective media is retrofitted with an adapter assembly which permits it additionally to process X-ray film transparencies. Accordingly, the resulting apparatus, in addition to performing digitization of data imprinted on reflective media, is also capable of digitizing X-ray images on X-ray film transparencies. The adapter assembly is constructed to be easily mounted on a conventional flat bed scanner to permit the scanner to process the film transparencies, and to be easily removable from the conventional scanner to permit the scanner to operate in a conventional mode to process reflective media. The scanner may be constructed to perform transparency digitization and to provide an optical density dynamic range greater than the prior art CCD technology used in the more expensive machines will allow.
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patent: 3953125 (1976-04-01), Bost
patent: 4500197 (1985-02-01), Dannatt
patent: 4702593 (1987-10-01), Detsch
patent: 4800287 (1989-01-01), Green et al.
patent: 4879604 (1989-11-01), Koshiyouji
Hes Lloyd
Johnston Gregory E.
Wagner Byron D.
Lefkowitz Edward
Ng Jin F.
X-Ray Scanner Corporation
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