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Title:
MULTIPLE SOURCE HIGH PERFORMANCE STEREOGRAPHIC PROJECTION SYSTEM
Document Type and Number:
WIPO Patent Application WO2005109091
Kind Code:
A3
Abstract:
Multiple source high performance stereographic projection systems are described. One projection system described comprises a first projection channel, a first light source capable of providing light for the first projection channel, and a second light source capable of providing light for the first projection channel, wherein when the projection system is in a first presentation mode the first and second light sources are on, and wherein when the projection system is in a second presentation mode the first light source is on and the second light source is at a reduced power.

Inventors:
READ STEVEN CHARLES (CA)
O'DOR MATTHEW ARNOLD (CA)
Application Number:
PCT/US2005/015856
Publication Date:
May 11, 2006
Filing Date:
May 05, 2005
Export Citation:
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Assignee:
IMAX CORP (CA)
READ STEVEN CHARLES (CA)
O'DOR MATTHEW ARNOLD (CA)
International Classes:
G03B21/20; G03B35/20; H04N13/363; H04N13/359; (IPC1-7): G03B35/20; H04N13/00; G03B21/20
Foreign References:
US4151549A1979-04-24
GB732730A1955-06-29
EP1315018A12003-05-28
US3923389A1975-12-02
Other References:
ANONYMOUS: "Projector CHRISTIE LW40 User's Manual", 31 October 2003, CHRISTIE, JAPAN, XP002342950
PATENT ABSTRACTS OF JAPAN vol. 016, no. 162 (E - 1192) 20 April 1992 (1992-04-20)
FELIX SCHUDA: "Cermax Lamp Engineering Guide", 1998, ILC TECHNOLOGY, INC, USA, XP002342951
DUMONT C L ET AL: "DESIGN IMPROVEMENTS FOR MOTION PICTURE FILM PROJECTORS", SMPTE JOURNAL, SMPTE INC. SCARSDALE, N.Y, US, vol. 110, no. 11, November 2001 (2001-11-01), pages 785 - 791, XP008051348, ISSN: 0036-1682
PATENT ABSTRACTS OF JAPAN vol. 018, no. 627 (P - 1834) 29 November 1994 (1994-11-29)
PINHO G P: "Optics of digital cinema", PROCEEDINGS OF THE SPIE - THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING, vol. 5002, 2003, pages 123 - 131, XP002356396
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