System and method to block unwanted light reflecting from a...

Details System and method to block unwanted light reflecting from a... System and method to block unwanted light reflecting from a...

2007-02-20

2007-02-20

Nguyen, Henry Hung (Department: 2851)

Photocopying

Projection printing and copying cameras

Step and repeat

C355S067000

Reexamination Certificate

active

10965025

ABSTRACT:
A system and method include a pattern generating portion that is used to pattern an object via a projection system. The pattern generating portion includes active and inactive areas. The pattern generating portion patterns light traveling towards the active areas and the projection system projects the patterned light onto the object. The pattern generating portion directs light traveling towards inactive areas away from the object.

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patent: 2004/0075882 (2004-04-01), Meisburger

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