The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 07, 2010
Filed:
Mar. 21, 2008
Kazuaki Shintani, Kanagawa, JP;
Kazuaki Shintani, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An image-reading apparatus includes a first light-receiving device that receives light reflected from a sheet, a second light-receiving device disposed a predetermined distance from the first light-receiving device along a sheet-transfer direction, a first lighting unit that illuminates a readout position to be read by the first light-receiving device, a second lighting unit that illuminates a readout position to be read by the second light-receiving device, a delay unit that delays one of a first signal output from the first light-receiving device and a second signal output from the second light-receiving device, a correction signal generation unit that generates a correction signal by reference to a difference between the first signal and the second signal, one of which has been delayed by the delay unit, and a correcting unit that corrects for at least one of the first signal and the second signal by using the correction signal.
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