Optical projection subsystem

United States of America Patent

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Dec 6, 2011
Grant Date
May 26, 2011
app pub date
Jan 13, 2011
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	3M CENTER POST OFFICE BOX 33427 SAINT PAUL MINNESOTA 55133-3427 55133-3427

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Inventor Name	Address	# of filed Patents	Total Citations
Destain, Patrick R	Allen, US	29	843
Duncan, John E	Amelia, US	14	531
Glinski, Alexander	Cincinnati, US	3	40
Grace, Jennifer L	Lakeside Park, US	8	133
O'Keefe, Michael W	Cincinnati, US	13	513
Phillips,, III William E	Cincinnati, US	15	287
Pol, Tomasz A	Cincinnati, US	5	84
Willett, Stephen J	Saint Paul, US	30	612

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Optical projection subsystem

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United States of America Patent

13006079

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PATENT NO	8070295
APP PUB NO	20110122371A1
SERIAL NO	13006079
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
December 06, 2011	US,8070295,B2 US8070295B2	GRANTED PATENT AS SECOND PUBLICATION
May 26, 2011	US,20110122371,A1 US20110122371A1	FIRST PUBLISHED PATENT APPLICATION

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13006079

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