Facsimile and static presentation processing – Facsimile – Picture signal generator
Patent
1992-09-16
1994-02-08
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Picture signal generator
358445, 358406, 348251, H04N 140
Patent
active
052852938
ABSTRACT:
A document scanner provides compensation for sensitivity nonuniformity that may exist between the individual sensor cells of the sensor array that is used to sense light reflected from a document being scanned. Compensated is provided for both dark (i.e. unilluminated) sensitivity variation and light (i.e. illuminated) sensitivity variation that may exist in the individual sensor cells of the sensor array.
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Beeman Edward S.
Gennetten Kenneth D.
Miller Craig L.
Webb Steven L.
Coles Sr. Edward L.
Hewlett--Packard Company
Stoll Thomas L.
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