Procedure for reducing processing time for image elements by com

Details Procedure for reducing processing time for image elements by com Procedure for reducing processing time for image elements by com

1993-12-29

1995-10-24

Rogers, Scott A.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358483, 257234, 2502081, 348298, H04N 1028, H04N 104

Patent

active

054614910

ABSTRACT:
The present invention improves the scanning speed (i.e., the line exposure time) of an image scanner that is operated at a lower than normal resolution. The image scanner contains a charge coupled device (CCD) that stores a plurality of pixel charges. Before digitizing the pixel charges, the present invention combines two or more of these pixel charges. Thus, the effective resolution of the CCD can be divided by a designated amount, thus reducing processing time and keeping signal levels nearly constant.

REFERENCES:
patent: 3919468 (1975-11-01), Weimer
patent: 4313138 (1982-01-01), Kanda et al.
patent: 4450484 (1984-05-01), Terakawa et al.
patent: 4597092 (1986-06-01), Furusawa et al.
patent: 4775799 (1988-10-01), Milch et al.
patent: 4845540 (1989-07-01), Baker et al.
patent: 5136402 (1992-08-01), Nagano

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