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:
Jan. 18, 2005
Filed:
Sep. 25, 2002
Applicants:
Stephen Magocs, Knoxville, TN (US);
Gregory W. Keck, Knoxville, TN (US);
Michael B. Larson, Georgetown, OH (US);
Carl J. Gilman, Florence, KY (US);
Inventors:
Stephen Magocs, Knoxville, TN (US);
Gregory W. Keck, Knoxville, TN (US);
Michael B. Larson, Georgetown, OH (US);
Carl J. Gilman, Florence, KY (US);
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 300 ; G02B 900 ; G02B 908 ;
U.S. Cl.
CPC ...
Abstract
In a projection display system for example, a projection lens includes a non-radially symmetrical light stopped that is painted or otherwise applied directly to the surface of an optical lens element of the projection lines.