Image reading apparatus and copying apparatus having means for r

Details Image reading apparatus and copying apparatus having means for r Image reading apparatus and copying apparatus having means for r

1993-10-21

1995-11-28

Pendegrass, Joan H.

Brushing, scrubbing, and general cleaning

250271, 356 71, G03G 2104

Patent

active

054712815

ABSTRACT:
This invention has as its object to reduce the apparatus scale by simplifying the arrangement of an image reading apparatus for radiating light including both visible and non-visible components, and detecting light obtained from a predetermined image, and provides an image reading apparatus which has illumination means for simultaneously radiating both light including a visible component and light including a non-visible component, and detection means for detecting light obtained from a predetermined image in accordance with the light radiated from the illumination means, including filter means which can be switched in accordance with whether the visible or non-visible component is radiated from the illumination means onto the predetermined image, and control means for controlling a switching operation of the filter means.

REFERENCES:
patent: 3679314 (1972-07-01), Mustert
patent: 3831007 (1974-08-01), Braun
patent: 3977785 (1976-08-01), Harris
patent: 4047033 (1977-09-01), Malmberg et al.
patent: 4739377 (1988-04-01), Allen
patent: 4807026 (1989-02-01), Nishioka

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