Color image input apparatus

Details Color image input apparatus Color image input apparatus

1996-05-16

1998-11-10

Vu, Kim Yen

Facsimile and static presentation processing

Natural color facsimile

Color separation

358518, 382167, H04N 146, G03F 308, G06K 900

Patent

active

058352422

ABSTRACT:
The color image input apparatus according to the present invention comprises a document illuminating means for illuminating a document; a color separating means for subjecting reflected light from the document illuminated by said document illuminating means to color separation; a document reading means for receiving the reflected light subjected to color separation by said color separating means, subjecting the reflected light to photoelectric conversion and reading the light as an image signal; a color material determining means for determining a type of a color material used for the document according to the image signal read by said image reading means; and a color correction processing means for subjecting the image signal read by said image reading means to a color correction processing according to a result of determination of said color material determining means.

REFERENCES:
patent: 4060829 (1977-11-01), Sakamoto
patent: 4127871 (1978-11-01), Sakamoto
patent: 4985759 (1991-01-01), Ito
patent: 4989079 (1991-01-01), Ito
patent: 4989080 (1991-01-01), Ito
patent: 5155587 (1992-10-01), Itoh
English-language abstract of Japanese Patent Laid-Open Application No. 5-136993(A), publication date unknown.

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