Optics: image projectors – Color filter
Reexamination Certificate
2007-03-21
2010-11-30
Epps, Georgia Y (Department: 2878)
Optics: image projectors
Color filter
C359S634000
Reexamination Certificate
active
07841723
ABSTRACT:
A projector comprises an alternating-current-drive lamp, a rotating color wheel which includes color segments for transmitting color lights and is disposed in an optical path from the lamp, the color segments including a transparent segment, a projection unit configured to form an optical image by the color lights transmitted through the color wheel, and a light source control unit configured to raise a drive frequency of the lamp in a period in which the transparent segment of the color wheel is present in the optical path from the lamp.
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Taiwanese Office Action dated Jul. 27, 2010 and English translation thereof in counterpart Taiwanese Application No. 096110441.
Casio Computer Co. Ltd.
Epps Georgia Y
Holtz Holtz Goodman & Chick PC
Williams Don
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