Filter lens device for optical color scanner

Details Filter lens device for optical color scanner Filter lens device for optical color scanner

1990-08-15

1992-06-16

Ben, Loha

Optical: systems and elements

Absorption filter

Movable in or out of optical path

359891, 355 35, 250226, 354102, G02B 522

Patent

active

051229110

ABSTRACT:
A filter lens device for an optical color scanner comprising a lens, at least three filters and a driving member to drive the filters to line up with scanned data and optical detectors wherein an entire document is scanned completely for each color to be reproduced. A position detecting member detects the relative positions between the filters and optical detectors, a position controlling member controlling the driving member such that the filters are moved in sequence to scan the document.

REFERENCES:
patent: 3333505 (1967-08-01), Unuma
patent: 3411847 (1968-11-01), Barbieri
patent: 4030833 (1977-06-01), Barbieri
patent: 4744695 (1988-05-01), Slayton et al.
patent: 4754297 (1988-06-01), Edwards

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