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:
Jun. 17, 2003
Filed:
Dec. 28, 1999
Applicant:
Inventors:
Gerd Rieche, Jena, DE;
Dietrich Schmidt, Jena, DE;
Juergen Pudenz, Jena, DE;
Hans-Juergen Meissner, Jena, DE;
Hans-Joachim Stoehr, Jena, DE;
Eberhard Piehler, Nerkewitz, DE;
Rainer Schnell, Jena, DE;
Assignee:
Carl Zeiss Jena GmbH, Jena, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/64 ;
U.S. Cl.
CPC ...
H04N 5/64 ;
Abstract
In a projection device with a matrix ( ) located in an image plane for generating a video image, with optics ( ) for projection of this video image on a screen and with a light source ( ) for illuminating the matrix ( ), there is an arrangement by which the video image can be uniformly illuminated.