Optical: systems and elements – Absorption filter – With support or frame
Reexamination Certificate
2003-03-13
2008-11-18
Lavarias, Arnel C. (Department: 2872)
Optical: systems and elements
Absorption filter
With support or frame
C359S885000, C353S084000
Reexamination Certificate
active
07453657
ABSTRACT:
A color wheel including a motor body, a housing, a spacer and a color filter. In this case, the housing is set to a side of the central axis of the motor body. The spacer is placed over the housing. The color filter is set on one side of the spacer, which is opposite the housing, so that there is a recess between the color filter and the housing.
REFERENCES:
patent: 4076393 (1978-02-01), Bates
patent: 4107764 (1978-08-01), Riley
patent: 6598977 (2003-07-01), Chen
patent: 2004/0046945 (2004-03-01), Chang
patent: 2006/0126199 (2006-06-01), Jia
Chang Chih-Neng
Chang Kuang-Hua
Chin Ke-Shu
Keng Yin-Tai
Yu An-Hwa
Callaway Jade
Chu Roger H.
Lavarias Arnel C.
Pordisc Technology Co., Ltd.
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