Image reading apparatus for reading an image containing both a n

Details Image reading apparatus for reading an image containing both a n Image reading apparatus for reading an image containing both a n

1993-04-28

1997-08-12

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358452, 358296, 396311, 396429, H04N 1387, G03B 1724

Patent

active

056571356

ABSTRACT:
The image reading apparatus of this invention reads a desired image out of an original document with a CCD 1, edits a desired area of the thus read image with an edit processing part 4, and causes the edited area to be copied without being subjected to negative-positive inversion. The edit processing part 4 sets an optimum density severally for an area requiring negative-positive inversion and for an area not requiring negative-positive inversion. Thus, necessary information existing in the area of image and the area outside the image can be printed out without causing the formation of a completely black frame and density of the print can be optimized without discrimination between these areas.

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