US Patent 7428078 Movable calibration device for a sheet-fed scanner
Patent 7428078 was granted and assigned to Avision on September, 2008 by the United States Patent and Trademark Office.
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Patent Inventor Names
Chi-Ting Yang0
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Patent abstract
A movable calibration device for a sheet-fed scanner includes a calibration sheet and a cam. A scanning module scans an image on the calibration sheet for calibrating the sheet-fed scanner. The cam, driven by a motor, moves the calibration sheet into and out of a scan window of the scanning module. The calibration sheet can be moved out of the scan window without reversing the rotational direction of the motor. The entire calibration sheet is moved in a linear path.
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US Patent 07428078 Movable calibration device for a sheet-fed scanner US Patent 7428078 Movable calibration device for a sheet-fed scanner
Infobox
Patent Number
074280780
Patent Number
74280780
Edits on 30 Mar, 2023
Golden AI
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
074280780
Date of Patent
September 23, 2008
0Patent Application Number
111183220
Date Filed
May 2, 2005
0Official Website
Patent Primary Examiner
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US Patent 07428078 Movable calibration device for a sheet-fed scanner
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07428078
Date of patent
September 23, 2008
Patent application number
11118322
Date Filed
May 2, 2005
Patent primary examiner
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