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.

Date of Patent:
May. 06, 2003

Filed:

Jun. 17, 2002
Applicant:
Inventors:

Dirk Muehlhoff, Jena, DE;

Klaus Knupfer, Essingen, DE;

Oliver Baumann, Aalen, DE;

Bernd Spruck, Moegglingen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 2/114 ;
U.S. Cl.
CPC ...
G03B 2/114 ;
Abstract

A projection arrangement for projecting an image onto a projection surface, said arrangement comprising a light source ( ), a film stage ( ), arranged following said light source, for holding a positive image recorded on a carrier medium, and projection optics ( ) for projecting a illuminated positive image, is provided with a control unit ( ), a light modulator ( ) controllable by said control unit in order to generate an additional image on the basis of predetermined image data, said light modulator being followed by an optical device ( ) for projecting the additional image onto the projection surface ( ), and with a beam splitter ( ) arranged between the light source ( ) and the film stage ( ) so as to split the light from the light source ( ) into a first partial beam directed to the film stage ( ) in order to illuminate the positive image and into a second partial beam which may be directed to the light modulator ( ). Thus, a projection arrangement is provided which allows to project additional images, such as subtitles, in addition to the illuminated positive image.


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