Color image reading apparatus having correction means to correct

Details Color image reading apparatus having correction means to correct Color image reading apparatus having correction means to correct

1992-11-09

1994-11-01

Brinich, Stephen

Facsimile and static presentation processing

Natural color facsimile

Scanning

358513, 2502081, H04N 146

Patent

active

053611454

ABSTRACT:
A color image reading apparatus is described which has a blazed diffraction grating that diffracts light from an original document, a CCD that converts the diffracted light into electrical image signals, and a filter circuit that performs a smoothing process or an edge emphasising process on the image signals from CCD.

REFERENCES:
patent: 4907076 (1990-03-01), Ohsawa
patent: 4953014 (1990-09-01), Takaragi
patent: 4985760 (1991-01-01), Maeshima et al.
patent: 5173599 (1992-12-01), Setani

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