Facsimile and static presentation processing – Facsimile – Picture signal generator
Reexamination Certificate
2008-09-23
2008-09-23
Coles, Edward L. (Department: 2625)
Facsimile and static presentation processing
Facsimile
Picture signal generator
C358S475000, C358S509000, C358S529000, C250S208100
Reexamination Certificate
active
10358669
ABSTRACT:
This invention has as its object to obtain a high-quality read image from which dust or scratches have been removed by an image reading apparatus which reads image information on a transparent original by synchronously scanning a light source unit and image reading unit. To this end, upon reading a transparent original, infrared LED chips on a dust/scratch detection LED substrate and a transparent original illumination lamp are turned on to make alignment between the LED substrate and the image reading unit, and dust/scratch detection image information is obtained by synchronously moving the light source unit and image reading unit in the subscanning direction.Subsequently, alignment between the transparent original illumination lamp and image reading unit is made, and image information of the transparent original is obtained by synchronously moving the light source unit and image reading unit in the subscanning direction.
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Hanabusa Mitsugu
Koshimizu Masato
Coles Edward L.
Morgan & Finnegan L.L.P.
Worku Negussie
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