Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate
2008-08-01
2010-02-09
Lee, John R (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
C250S205000, C250S559440, C250S234000, C250S339050, C355S037000, C355S070000, C358S509000, C358S513000
Reexamination Certificate
active
07659532
ABSTRACT:
An image reading apparatus includes a light source with a first luminescent portion that outputs light with a first wavelength range and a second luminescent portion that outputs light with a second wavelength range, the wavelength ranges being different from each other; a light-receiving portion that receives light reflected from an original irradiated by the light source; a scanning portion that shifts a reading position of the original in a vertical scanning direction by changing a relative position between the original and the light-receiving portion; a switching portion that alternately turns on the first and second luminescent portions when the scanning portion shifts the reading position, wherein a vertical scanning resolution for a first data obtained when the first luminescent portion is turned on is independently set from a vertical scanning resolution for a second data obtained when the second luminescent portion is turned on.
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Fuji 'Xerox Co., Ltd.
Lee John R
Morgan & Lewis & Bockius, LLP
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