Projection device and color wheel for use therewith

United States of America Patent

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Nov 23, 2010
Grant Date
Nov 8, 2007
app pub date
Dec 14, 2006
filing date
May 3, 2006

priority date (Note)
Reissued

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Abstract

A projection device comprises a color wheel module, wherein, the color wheel can be detached from the color wheel module. The color wheel module can be detached from the body of the projection device, so that users can conveniently change, clean or maintain the color wheel as desired.

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Patent Owner(s)

Patent Owner	Address
DELTA ELECTRONICS INC	NEIHU TAIPEI 11491

International Classification(s)

G03B:APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS O....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Hsu, Mao-Shan	Taoyuan County, TW	8	15
Wu, Yu-Hsi	Taoyuan County, TW	6	7

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Projection device and color wheel for use therewith

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11611088

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PATENT NO	7837336
APP PUB NO	20070258057A1
SERIAL NO	11611088
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 23, 2010	US,7837336,B2 US7837336B2	GRANTED PATENT AS SECOND PUBLICATION
November 08, 2007	US,20070258057,A1 US20070258057A1	FIRST PUBLISHED PATENT APPLICATION

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11611088

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