Facsimile and static presentation processing – Facsimile – Picture signal generator
Reexamination Certificate
2008-02-22
2011-12-20
Grant, II, Jerome (Department: 2625)
Facsimile and static presentation processing
Facsimile
Picture signal generator
C358S475000
Reexamination Certificate
active
08081355
ABSTRACT:
An illumination unit for use in an image read apparatus is provided which illuminates a surface of an original document with illumination light, reads an image of the original document by a light receiving element, and adjusts an amount of specular light reflection from the surface of the original document on a light receiving plane of the light receiving element by adjusting at least one of an incident angle of the illumination light and a divergence thereof. It includes a plurality of light source units emitting the illumination light and arranged in a direction so that a direction in which intensity of light emitted from at least one of the light source units closest to a center of the arrangement thereof is to be highest makes a non-perpendicular angle with the direction of arrangement.
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Itoh Masahiro
Nishina Kiichiro
Sakurai Yasuo
Sudoh Yoshifumi
Tatsuno Hibiki
Dickstein & Shapiro LLP
Grant II Jerome
Ricoh & Company, Ltd.
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