The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 2011
Filed:
Jul. 31, 2007
Patrick R. Destain, Allen, TX (US);
Jennifer L. Grace, Lakeside Park, KY (US);
John E. Duncan, Amelia, OH (US);
Tomasz A. Pol, Cincinnati, OH (US);
William E. Phillips, Iii, Cincinnati, OH (US);
Michael W. O'keefe, Cincinnati, OH (US);
Alexander Glinski, Cincinnati, OH (US);
Stephen J. Willett, Saint Paul, MN (US);
Patrick R. Destain, Allen, TX (US);
Jennifer L. Grace, Lakeside Park, KY (US);
John E. Duncan, Amelia, OH (US);
Tomasz A. Pol, Cincinnati, OH (US);
William E. Phillips, III, Cincinnati, OH (US);
Michael W. O'Keefe, Cincinnati, OH (US);
Alexander Glinski, Cincinnati, OH (US);
Stephen J. Willett, Saint Paul, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
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.