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:
Nov. 27, 2007
Filed:
Jul. 16, 2004
Applicants:
Valter Drazic, Betton, FR;
Eugene O'donnell, Fishers, IN (US);
Pascal Benoit, Liffre, FR;
Arno Schubert, Chevaigne, FR;
Inventors:
Valter Drazic, Betton, FR;
Eugene O'Donnell, Fishers, IN (US);
Pascal Benoit, Liffre, FR;
Arno Schubert, Chevaigne, FR;
Assignee:
Thomsom Licensing, Boulonge-Billancourt, FR;
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/22 (2006.01); G03B 21/14 (2006.01); G03B 21/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention concerns a display apparatus with an imager illuminated by an illumination system and with an imaging system projecting an image on a viewing screen, wherein the brightness of the image on the imager has a variation over a given direction, and wherein the illumination system has light controlling elements for controlling the light distribution over the given direction.