Electrophotography – Image formation – Exposure
Reexamination Certificate
2006-05-30
2006-05-30
Chen, Sophia S. (Department: 2852)
Electrophotography
Image formation
Exposure
C355S071000, C399S211000
Reexamination Certificate
active
07054580
ABSTRACT:
An image reader apparatus for lighting a manuscript surface of a manuscriptin a line state, and for image-forming a reflection light from a reading part of the manuscript surface lighted in the line state, to an image sensor, by an image forming lens which forms a part of a scaled down optical system so that an image of the manuscript is read, includes an irradiation opening part and an optical element. The irradiation opening part is for irradiating a lighting light to an outside part, which is formed at the light source. The optical element for attenuating a light amount so as to be permeated, which is provided between the irradiation opening part and the manuscript stand.
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Chen Sophia S.
Ricoh & Company, Ltd.
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