Optical waveguides – Optical waveguide sensor
Reexamination Certificate
2007-03-20
2007-03-20
Wood, Kevin S. (Department: 2874)
Optical waveguides
Optical waveguide sensor
C385S147000
Reexamination Certificate
active
10922485
ABSTRACT:
An optical media detector, for use in a media transport mechanism, the detector comprising a light source and an optical sensor, is described. The light source and sensor are optically coupled via two distinct optical paths which are formed in part by a pair of optical light guides, each of which is formed into part of a pinch roller adapted to contact or being close to contacting media being transported.
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Lyons Eric G.
Tennant Alan W.
NCR Corporation
Priest & Goldstein PLLC
Wood Kevin S.
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