Original reading apparatus, having a filter, for reading a color

Details Original reading apparatus, having a filter, for reading a color Original reading apparatus, having a filter, for reading a color

1990-12-14

1992-11-24

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 80, H04N 146

Patent

active

051667843

ABSTRACT:
A color original reading apparatus includes a filter having a long-wavelength invisible radiation absorption filter and a long-wavelength invisible radiation reflection filter, or includes a spectral distribution correction filter arranged in an optical path from an original illumination light source to a color image sensor via an original.

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patent: 4937616 (1990-06-01), Maeda et al.
patent: 4939537 (1990-07-01), Masuda et al.

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