Light source unit and projector having the same

Details Light source unit and projector having the same Light source unit and projector having the same

2006-09-12

2006-09-12

Perkey, W. B. (Department: 2851)

Optics: image projectors

Lamp control

C353S119000, C353S087000, C362S368000, C362S430000

Reexamination Certificate

active

07104654

ABSTRACT:
An object of this invention is to provide a light source unit capable of effectively utilizing converged light from a high-pressure discharge lamp by positioning light axes of an ellipsoidal mirror and a lens to coincide.

REFERENCES:
patent: 3891421 (1975-06-01), Levin
patent: 4457600 (1984-07-01), Hall
patent: 6086231 (2000-07-01), Kenjo et al.
patent: 6461025 (2002-10-01), Payne
patent: 6695461 (2004-02-01), Ozawa et al.
patent: 6840633 (2005-01-01), Davis et al.
patent: 2002/0176255 (2002-11-01), Yamauchi et al.
patent: 2001-101923 (2001-04-01), None
patent: WO 99/32825 (1999-07-01), None
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