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:
Dec. 14, 2010
Filed:
Jan. 29, 2008
Ernesto M. Rodriguez, Jr., Austin, TX (US);
Patricia M. Hughes, Round Rock, TX (US);
William E. Haushalter, Spicewood, TX (US);
Kai Chang LU, Birmingham, GB;
Steven G. Saxe, Woodbury, MN (US);
Ernesto M. Rodriguez, Jr., Austin, TX (US);
Patricia M. Hughes, Round Rock, TX (US);
William E. Haushalter, Spicewood, TX (US);
Kai Chang Lu, Birmingham, GB;
Steven G. Saxe, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A front projection display device having a projection module and a docking station. The docking station has a base. Further, the docking station can include an extendable arm attached to the base. The projection module contains an optical engine. The optical engine includes an illumination system, an imaging system, and a wide-angle projection lens. The optical engine outputs an image at a half field angle of at least 45°. The projected image has substantially no distortion and requires substantially no keystone correction.