Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate
2006-12-19
2010-12-21
Le, Que T (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
C250S221000
Reexamination Certificate
active
07855376
ABSTRACT:
An object-detecting lighting system comprises a light source emitting visible light. A source controller is connected to the light source to drive the light source into emitting the visible light in a predetermined mode. An optical detector is positioned with respect to the light source and is adapted to detect the visible light as reflected/backscattered by an object. A data/signal processor is connected to the source controller and the optical detector to receive detection data from the optical detector. The data/signal processor produces a data output associated to the object as a function of the predetermined mode and the detection data.
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Cantin Daniel
Gallant Pascal
Mimeault Yvan
Bui-Pho Pascal M
Institut National D'Optique
Le Que T
Ogilvy Renault LLP
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