Image reading device including prevention of thermally induced c

Details Image reading device including prevention of thermally induced c Image reading device including prevention of thermally induced c

1996-02-27

1997-11-11

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Picture signal generator

358473, H04N 124

Patent

active

056870078

ABSTRACT:
A housing includes a first portion and second portion. Each of the first and second portions supports a mirror and are connected and prevented from independent movement through a cover glass plate. The connection between the portions of the housing reduces the amount of angular change of mirrors within the housing resulting from a change in temperature, and thereby reduces the amount of displacement of a reading point of an image receiving element during the temperature change. The reading point is projected along an optical path including multiple reflections from the mirrors. A first connection device tightly fits the cover glass plate between the first and second portions of the housing, and a second connection device adheres the cover glass plate to the first and second portions of the housing.

REFERENCES:
patent: 5027424 (1991-06-01), Yamazaki et al.
patent: 5121226 (1992-06-01), Kubota et al.
patent: 5446559 (1995-08-01), Birk

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