Detecting location of edge of media sheet

Details Detecting location of edge of media sheet Detecting location of edge of media sheet

2006-12-05

2006-12-05

Luu, Thanh X. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

C250S559180, C356S445000

Reexamination Certificate

active

07145161

ABSTRACT:
A method of one embodiment of the invention is disclosed that detects approachment of an edge of a media sheet by detecting light reflected by the media sheet. Upon detecting the approachment of the edge of the media sheet, the method detects the location of the edge by detecting light transmitted through the media sheet.

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