Image reading apparatus capable of discriminating between a chro

Details Image reading apparatus capable of discriminating between a chro Image reading apparatus capable of discriminating between a chro

1990-03-30

1992-08-18

Couso, Jose

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 80, 358113, H04N 146

Patent

active

051404117

ABSTRACT:
A color image reader for discriminating a color component of a light image, comprising a first photoelectric transfer device for transferring visible range light to an electric signal, a second photoelectric transfer device for transferring infrared range light to another electric signal, and a discriminator for discriminating between a chromatic portion of the light image and an achromatic portion of the light image according to the two different electric signals.

REFERENCES:
patent: 4724354 (1988-02-01), Dill
patent: 4812899 (1989-03-01), Kueppers
patent: 4878113 (1989-10-01), Nakamura
patent: 4887150 (1989-12-01), Chiba et al.
patent: 4893177 (1990-01-01), Tada et al.
patent: 4951133 (1990-08-01), Onoda
patent: 4965663 (1990-10-01), Sasaki

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