Color reading apparatus and method to read enhanced color signal

Details Color reading apparatus and method to read enhanced color signal Color reading apparatus and method to read enhanced color signal

1994-08-15

1995-09-12

Coles, Sr., Edward L.

Facsimile and static presentation processing

Natural color facsimile

Scanning

358475, H04N 104

Patent

active

054502152

ABSTRACT:
A color reading apparatus comprises a light source section, an electric charge accumulating section, a signal generating section and an electric charge disposal section. The light source section effects irradiations and non-irradiations of a R light beam, a G light beam and a B light beam in sequence. The electric charge accumulating section accumulates electric charges per light beam by receiving the respective light beams irradiated sequentially by the light source section. The signal generating section generates a first reading signal for reading the accumulation electric charge of the electric charge accumulating section during the irradiation of each light beam and, at the same time, generates a second reading signal for reading an afterglow electric charge of the electric charge accumulating section during the non-irradiation of each light beam. The electric charge disposal section disposes of an afterglow electric charge in the accumulation electric charge read by the first reading signal generated by the signal generating section and the afterglow electric charge read by the second reading signal generated by the signal generating section.

REFERENCES:
patent: 4652913 (1987-03-01), Saitoh et al.
patent: 4731661 (1988-03-01), Nagano
patent: 5296944 (1994-03-01), Suzuki et al.
patent: 5325153 (1994-06-01), Mitsuse et al.

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