Solid state color imager with on-chip color balance

Details Solid state color imager with on-chip color balance Solid state color imager with on-chip color balance

1994-08-15

1995-12-12

Coles, Sr., Edward L.

Facsimile and static presentation processing

Natural color facsimile

Scanning

358515, H04N 119

Patent

active

054755085

ABSTRACT:
A color image reading apparatus includes a plurality of line sensors which have different color filters and each of which has a plurality of light receiving elements. One of the plurality of line sensors has an opening width larger than those of the remaining line sensors. The apparatus also includes a correcting unit such as an edge emphasis circuit for correcting image signals output from the line sensors so as to obtain identical resolutions of the image signals, and a processing unit such as a masking circuit for performing color processing of the image signals corrected by the correcting unit.

REFERENCES:
patent: 4712141 (1987-12-01), Tomohisa et al.
patent: 4734759 (1988-03-01), Kobori et al.
patent: 4809061 (1989-02-01), Suzuki
patent: 4891690 (1990-01-01), Hasegawa et al.
patent: 4953014 (1990-08-01), Takagari
patent: 4974072 (1990-11-01), Hasegawa
patent: 5321529 (1994-06-01), Funada
patent: 5438364 (1995-08-01), Maeshima et al.

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