Optical mouse sensor for monitoring motion of a sheet

An apparatus monitors the motion of sheet, such as in a digital printer. An optical sensor is capable of recording an image in a two-dimensional array of pixels, and has acuity to recognize a terrain of a small area on a sheet that is substantially blank to a human eye. The optical sensor views a po...

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Bibliographic Details
Main Authors RUTHENBERG RAYMOND M, LOISELLE MICHEL, WOJTKOWICZ JOHN, LEE KAREN, MUZZIN MARK, VAN WYNGAARDEN DAVID C
Format Patent
LanguageEnglish
Published 03.08.2006
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:An apparatus monitors the motion of sheet, such as in a digital printer. An optical sensor is capable of recording an image in a two-dimensional array of pixels, and has acuity to recognize a terrain of a small area on a sheet that is substantially blank to a human eye. The optical sensor views a portion of a sheet moving in a process direction through a path. A detection system compares at least two recorded terrain images from the sheet, thereby directly measuring velocity and direction of the sheet.
Bibliography:Application Number: US20050047951