Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
Reexamination Certificate
2008-07-16
2010-06-08
Luu, Thanh X (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
With circuit for evaluating a web, strand, strip, or sheet
C356S429000, C358S474000
Reexamination Certificate
active
07732796
ABSTRACT:
An inspection system for inspecting an imprinted substrate on a printing press has a light source, a contact image sensor, and a processor. The light source is configured to illuminate a portion of the substrate which has been imprinted with different colors at a plurality of printing units of the printing press. The contact image sensor has a plurality of sensing elements. Each sensing element senses light reflected by a corresponding region on the substrate to produce data representative of the corresponding region printed on the substrate. The processor is configured to receive the data representative of the imprinted substrate and to compare the data representative of the corresponding region printed on the substrate with stored reference data.
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Hansen Mark R.
Moersfelder Bradly S.
Noffke Patrick James
Pearson Eric
Seymour John C.
Foley & Lardner LLP
Legasse, Jr Francis M
Luu Thanh X
Quad/Tech Inc.
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