Projector

Optics: image projectors – Lens support – Lens position adjustable

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C353S102000, C359S813000, C359S819000, C362S319000, C362S269000

Reexamination Certificate

active

07819532

ABSTRACT:
A projector includes a light source device, a light modulation device, and an exterior casing. The projector is arranged so as to be installed in a desktop mount position and a ceiling suspension position. The light source device includes an elliptic reflector having a nearly ellipsoidal reflection surface and converging and outputting a luminous flux radiated from a light source lamp in a certain direction, and a parallelizing lens that parallelizes the converged light of the elliptic reflector, and a lens supporting part that supports the parallelizing lens and makes a position of the parallelizing lens relative to the light source device main body changeable according to the position of the projector is provided.

REFERENCES:
patent: 5860721 (1999-01-01), Bowron et al.
patent: 5980045 (1999-11-01), Fujibayashi
patent: 6334686 (2002-01-01), Shiraishi et al.
patent: 6595645 (2003-07-01), Shiraishi et al.
patent: 6796660 (2004-09-01), Shiraishi et al.
patent: 6843567 (2005-01-01), Lee et al.
patent: 7210825 (2007-05-01), Watanabe et al.
patent: 7465054 (2008-12-01), Howard et al.
patent: 2002/0044264 (2002-04-01), Lu
patent: 2004/0041985 (2004-03-01), Kimura et al.
patent: U-2-69406 (1990-05-01), None
patent: A 8-314010 (1996-11-01), None
patent: A-2000-231154 (2000-08-01), None
patent: A-2005-107470 (2005-04-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Projector does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Projector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Projector will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4200902

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.