Projection lens, producing method of projection lens and...

Details Projection lens, producing method of projection lens and... Projection lens, producing method of projection lens and...

2006-06-13

2006-06-13

Mack, Ricky L. (Department: 2873)

Optical: systems and elements

Lens

With support

C359S823000, C359S808000, C359S811000, C353S100000, C353S101000, C353S119000

Reexamination Certificate

active

07061699

ABSTRACT:
A projection lens (46) comprises: a cylindrical exterior case (621) having a lens-shifting through-hole (625) on a side thereof and an inner circumferential step or inner flange (623); a lens (610) of which outer periphery (611) on a first side is abutted to the inner circumferential step or inner flange (623); a flexible or elastic spacer (660) abutted to an outer periphery (612) of a second side of the lens (610); and a retainer (670) holding the spacer (660), where the lens (610) is fixed on the exterior case (621).

REFERENCES:
patent: 6226055 (2001-05-01), Koba
patent: 6302543 (2001-10-01), Arai et al.
patent: 6469839 (2002-10-01), Agata
patent: 2003/0081185 (2003-05-01), Nakano et al.
patent: 52-50731 (1975-10-01), None
patent: 56-10606 (1979-07-01), None
patent: 55-147008 (1980-04-01), None
patent: 2-83513 (1990-06-01), None
patent: U 3-45505 (1991-04-01), None
patent: A 4-225037 (1992-08-01), None
patent: U 59-48513 (1994-03-01), None
patent: A 8-304739 (1996-11-01), None
patent: A 2000-66076 (2000-03-01), None
patent: A 2000-066076 (2000-03-01), None
patent: 2002-267915 (2002-09-01), None

Affiliated with

Also associated with

Rating

Projection lens, producing method of projection lens and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3635390