Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate
2007-08-07
2007-08-07
Luu, Thanh X. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
C250S559270, C382S291000
Reexamination Certificate
active
10988870
ABSTRACT:
An object plane detection system comprises a light source adapted to illuminate a media object to generate an image area on a photosensitive sensor. The system also comprises a detection module adapted to determine a location of an object plane corresponding to the media object based on a size of the image area.
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Harris Rodney C.
Spears Kurt E.
Hewlett--Packard Development Company, L.P.
Livedalen Brian J
Luu Thanh X.
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