Image reader

Details Image reader Image reader

1991-08-07

1995-07-18

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358474, 358473, H04N 140

Patent

active

054346800

ABSTRACT:
An image scanner for a document incorporates a transparent member on a lower surface for passing reading and reflecting light while preventing entry of dust and foreign matter into the scanner housing. The transparent member is disposed so that at least the area which passes reflected light is located outside of the depth of field of the scanner optical system.

REFERENCES:
patent: 4422100 (1983-12-01), DuVall et al.
patent: 4893189 (1990-01-01), Kubota et al.
patent: 5023922 (1991-06-01), Abramovitz et al.
patent: 5175422 (1992-12-01), Koizumi et al.

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