Device for mounting an original onto an image reading drum

Details Device for mounting an original onto an image reading drum Device for mounting an original onto an image reading drum

1992-06-04

1995-06-06

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358490, 355 75, H04N 106, H04N 108, G03B 2762

Patent

active

054227372

ABSTRACT:
The invention provides a device for efficiently mounting an original onto an image reading drum in an image scanning system. The mounting device includes a lower holder section and an upper holder section, each made of a flexible but hard plastic sheet. The original is held in between the lower holder section and the upper holder section and is attached onto the image reading drum, which has a predetermined thickness greater than a distance causing Newton's rings. Accordingly, image signals obtained by scanning the original effectively represent an original image without Newton's rings.

REFERENCES:
patent: 4440491 (1984-04-01), Takahama
patent: 4575398 (1986-03-01), Tschishow
patent: 4933779 (1990-06-01), Milch
patent: 4963997 (1990-10-01), Van Scooter
patent: 4975735 (1990-12-01), Bright et al.
patent: 4996605 (1991-02-01), Taniguchi et al.
Patent Abstracts of Japan Publication No. JP60208849.
Japanese Abstract of Patent 56-94871.

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