Facsimile and static presentation processing – Facsimile – Plural scanner station
Reexamination Certificate
2008-07-08
2008-07-08
Allen, Stephone B. (Department: 2872)
Facsimile and static presentation processing
Facsimile
Plural scanner station
C358S509000, C355S066000, C359S861000
Reexamination Certificate
active
11772457
ABSTRACT:
Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.
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Hayashide Tadao
Kondo Kazuyuki
Saiga Takeyoshi
Tochigi Nobuyuki
Allen Stephone B.
Canon Kabushiki Kaisha
Doak Jennifer L
Fitzpatrick ,Cella, Harper & Scinto
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