Color image reading apparatus

Details Color image reading apparatus Color image reading apparatus

1995-04-26

1996-01-02

Rogers, Scott A.

Facsimile and static presentation processing

Natural color facsimile

Scanning

358514, 358515, 359571, 359889, 359890, 250237R, H04N 148, H04N 104, G02B 518, G02B 520

Patent

active

054813816

ABSTRACT:
A color image reading apparatus comprises a plurality of line sensors which are a plurality of one-dimensional sensor arrays disposed on a single substrate, a projection optical system for projecting an image of a subject on the sensors, a blazed diffraction grating disposed in an optical path between the projection optical system and the sensors to separate light from the subject into a plurality of color lights, and a wavelength selection device disposed in an optical path between the subject and the sensors to permit only a beam of light within a specific wavelength range to pass therethrough.

REFERENCES:
patent: 3426293 (1969-02-01), Snitzer
patent: 4277138 (1981-07-01), Dammann
patent: 5140464 (1992-08-01), Kyogoku et al.
Dammann, Color Separation Gratings, 1 Aug. 1978, vol. 17, No. 15, pp. 2273-2279.

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