EP 1232417 A2 20020821 - PROJECTION DEVICE FOR PROJECTING AN IMAGE ONTO A PROJECTION SURFACE, AND A PROJECTION UNIT FOR COUPLING TO A PROJECTOR
Title (en)
PROJECTION DEVICE FOR PROJECTING AN IMAGE ONTO A PROJECTION SURFACE, AND A PROJECTION UNIT FOR COUPLING TO A PROJECTOR
Title (de)
PROJEKTIONSANORDNUNG ZUM PROJIZIEREN EINES BILDES AUF EINE PROJEKTIONSFLÄCHE UND PROJEKTIONSEINHEIT ZUM ANKOPPELN AN EINEN PROJEKTOR
Title (fr)
DISPOSITIF DE PROJECTION DESTINE A PROJETER UNE IMAGE SUR UNE SURFACE DE PROJECTION ET UNITE DE PROJECTION DESTINEE A ETRE COUPLEE A UN PROJECTEUR
Publication
Application
Priority
- DE 10041722 A 20000825
- EP 0109814 W 20010824
Abstract (en)
[origin: WO0217018A2] The invention relates to a projection device for projecting an image onto a projection surface. Said device comprises a light source (26); a film gate (2) for holding a positive image recorded on a carrier medium, said gate being arranged downstream from the light source; and a projection lens (3) for projecting an illuminated positive image. The inventive device also comprises a control unit (25); a light modulator (10) which can be controlled by said unit and which is used to produce an additional image based on predetermined image data; an optical device (11) for projecting the additional image onto the projection surface (34), said optical device being arranged downstream from the light modulator; and a beam splitter (6) which is arranged between the light source (26) and the film gate (2). Said beam splitter splits the light from the light source (26) into a first partial beam directed onto the film gate (2) in order to illuminate the positive image, and a second partial beam by means of which the light modulator (10) can be operated. A projection device is thus implemented which can project additional images, e.g. sub-titles, as well as the illuminated positive image.
IPC 1-7
IPC 8 full level
G03B 21/20 (2006.01); G03B 21/26 (2006.01); G03B 21/28 (2006.01)
CPC (source: EP US)
G03B 21/2066 (2013.01 - EP US); G03B 21/26 (2013.01 - EP US)
Citation (search report)
See references of WO 0217018A2
Designated contracting state (EPC)
DE IT
DOCDB simple family (publication)
WO 0217018 A2 20020228; WO 0217018 A3 20020523; AU 9551001 A 20020304; DE 10041722 A1 20020314; DE 10041722 B4 20041125; EP 1232417 A2 20020821; US 2002180936 A1 20021205; US 6558000 B2 20030506
DOCDB simple family (application)
EP 0109814 W 20010824; AU 9551001 A 20010824; DE 10041722 A 20000825; EP 01976148 A 20010824; US 14995002 A 20020617