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:
Aug. 10, 2004
Filed:
Jun. 17, 2002
Dirk Muehlhoff, Jena, DE;
Klaus Knupfer, Essingen, DE;
Oliver Baumann, Aalen, DE;
Bernd Spruck, Moegglingen, DE;
Carl Zeiss Jena GmbH, Jena, DE;
Abstract
In a projection arrangement for projecting an image onto a projection surface, there are provided a light source ( ), a control unit ( ), a light modulator ( ), which is controllable by said control unit ( ) in order to generate an image on the basis of predetermined image data, an optical device ( ), arranged following said light modulator, for projecting said image onto the projection surface ( ), a film stage ( ) for holding a positive image recorded on a carrier medium, projection optics ( ), arranged following the film stage ( ) when projecting the positive image, and a control device ( ), allowing either to direct light from the light source ( ) to the light modulator ( ) or to illuminate a positive image, which is held by the film stage ( ), with said light. Thus, a projection arrangement is provided which can project both positive images and images generated on the basis of predetermined data onto a projection surface ( ).