Optical: systems and elements – Absorption filter – With support or frame
Reexamination Certificate
2005-10-25
2005-10-25
Boutsikaris, Leonidas (Department: 2872)
Optical: systems and elements
Absorption filter
With support or frame
C359S891000, C359S885000, C348S743000, C356S418000, C353S084000, C362S293000
Reexamination Certificate
active
06958870
ABSTRACT:
A color wheel is disclosed having balancing groove. The color wheel includes a carrier, having a central axis about which it is rotated. An external surface and a periphery rotates along the central axis; a color filter plate shares a same central axis with the carrier, wherein an annular groove is disposed on the external surface of the carrier. The groove is shaped, for example in a wedge so that once a balancing substance such as epoxy is added into the annular groove to balance the color wheel, it becomes lodged therein after curing as the opening is smaller than the cured epoxy.
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Boutsikaris Leonidas
JDS Uniphase Corporation
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