Digital projection display system with external light source

Details Digital projection display system with external light source Digital projection display system with external light source

2006-07-18

2006-07-18

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

Cabinet encloses projector and one side of screen

Reflector between lamp and screen

C353S081000, C353S084000, C353S099000, C353S119000, C359S726000

Reexamination Certificate

active

07077528

ABSTRACT:
A digital projection display system includes one or more digital projection displays. Each digital projection display has an external light source producing as an output a light beam, an internal optics system, and a housing in which the internal optics system is received, but wherein the external light source is located external to the housing. A display screen forms one face of the housing. Preferably, an optical fiber extends from the output of the external light source to an input of the internal optics system. Multiple digital projection displays may be illuminated by a single external light source using multiple optical fibers.

REFERENCES:
patent: 5453803 (1995-09-01), Shapiro et al.
patent: 6553168 (2003-04-01), Saccomanno
patent: 6712475 (2004-03-01), Davis et al.
patent: 6853493 (2005-02-01), Kreitzer
patent: 6859239 (2005-02-01), DeLong
patent: 2002/0180934 (2002-12-01), Shimizu
patent: 2003/0151727 (2003-08-01), Glent-Madsen et al.
patent: 2005/0024594 (2005-02-01), Kumai

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