Optical projection subsystem

United States of America Patent

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Mar 8, 2011
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Feb 28, 2008
app pub date
Jul 31, 2007
filing date
Jul 31, 2006

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Abstract

A projection subsystem includes a light engine that provides a collection lens, a collimator and at least one solid state light emitter. A projection lens assembly receives the image and provides a projection beam having a luminous flux level. The projection subsystem has a portability efficacy.

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3M INNOVATIVE PROPERTIES COMPANY

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Inventor Name	Address	# of filed Patents	Total Citations
Destain, Patrick R	Allen, US	29	806
Duncan, John E	Amelia, US	14	496
Glinski, Alexander	Cincinnati, US	3	40
Grace, Jennifer L	Lakeside Park, US	8	130
O'Keefe, Michael W	Cincinnati, US	13	480
Phillips,, III William E	Cincinnati, US	15	269
Pol, Tomasz A	Cincinnati, US	5	82
Willett, Stephen J	Saint Paul, US	30	596

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Optical projection subsystem

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United States of America Patent

11831307

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PATENT NO	7901083
APP PUB NO	20080049190A1
SERIAL NO	11831307
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
March 08, 2011	US,7901083,B2 US7901083B2	GRANTED PATENT AS SECOND PUBLICATION
February 28, 2008	US,20080049190,A1 US20080049190A1	FIRST PUBLISHED PATENT APPLICATION

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11831307

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