Incremental printing of symbolic information – Light or beam marking apparatus or processes
Reexamination Certificate
2005-12-06
2011-10-11
Le, Uyen Chau N (Department: 2874)
Incremental printing of symbolic information
Light or beam marking apparatus or processes
C283S072000, C283S113000, C358S003280
Reexamination Certificate
active
08035673
ABSTRACT:
A system and method for watermarking a film includes a light source array including one or more light sources having light directed toward a film to be watermarked. A control mechanism is configured to synchronize a position of the film with the light sources such that the light sources are activated to record a watermark on the film to identify an aspect of the film, wherein the watermark includes a plurality of spots aligned transversely to a direction of film motion during printing of the film.
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Search report dated Aug. 18, 2006.
Chai Sek Loong
Derrenberger Mike Arthur
Elo Margit Elisabeth
Gilmartin David
Hogue Bill
Bedtelyon John M
Hale Jeffrey D.
Le Uyen Chau N
Levy Robert B.
Shedd Robert D.
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