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:
May. 18, 2010
Filed:
Apr. 13, 2006
Applicants:
Tomi Sokeila, Tampere, FI;
Tapani Leppänen, Tampere, FI;
Mika Pesonen, Tampere, FI;
Kimmo Kuusilinna, Tampere, FI;
Aki Launiainen, Tampere, FI;
Inventors:
Tomi Sokeila, Tampere, FI;
Tapani Leppänen, Tampere, FI;
Mika Pesonen, Tampere, FI;
Kimmo Kuusilinna, Tampere, FI;
Aki Launiainen, Tampere, FI;
Assignee:
Nokia Corporation, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/56 (2006.01); G03B 21/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projector screen includes one or more markers that are configured to be usable by projection processing circuitry in order to calculate a user perceived distortion in an image to be projected on the projector screen.