Facsimile and static presentation processing – Facsimile – Picture signal generator
Patent
1995-03-20
1997-12-30
Coles, SR., Edward L.
Facsimile and static presentation processing
Facsimile
Picture signal generator
358475, 358506, 358509, 399151, H04N 104
Patent
active
057037000
ABSTRACT:
A transparency to be printed is scanned to generate density values which are used to determine the degree of exposure of the transparency. The transparency is further scanned to generate signals representing an image of the transparency. The scanner which is employed for the latter scanning procedure and produces the signals has a linear scanning range and, based on the degree of exposure of the transparency, the illumination intensity or integration time of this scanner is controlled such that the master is scanned within the linear range. The signals generated by the scanner are corrected using a characteristic line selected in dependence upon the degree of exposure of the transparency, the color temperature and/or the film type. The corrected signals are processed to additionally enhance the image of the transparency and are then used to print the image.
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patent: 4757351 (1988-07-01), Birgmeir
patent: 4907077 (1990-03-01), Schulz-Hennig
patent: 5060061 (1991-10-01), Shishido
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patent: 5216521 (1993-06-01), Birgmeir
Birgmeir Klaus
Waibel Hermann
Agfa-Gevaert Aktiengesellschaft
Coles Sr. Edward L.
Nguyen Madeleine A-V.
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