Optical imaging unit

Details Optical imaging unit Optical imaging unit

2007-12-04

2007-12-04

Mack, Ricky (Department: 2873)

Optical: systems and elements

Lens

With support

C359S811000, C359S815000

Reexamination Certificate

active

11102019

ABSTRACT:
To avoid any lens breakage when a small and wide-angle optical imaging unit is assembled, an optical imaging unit is provided and has a glass lens, a plastic lens, a washer and a lens barrel having a first lens housing groove and a second lens housing groove of larger diameter than the first lens housing groove. The glass lens is mounted in a front side of the lens barrel, a washer is fitted in the second lens housing groove so that the washer contacting with an outer edge of the glass lens, and the plastic lens is mounted in the second lens housing groove behind the washer. The washer or the plastic lens has a recess in a contact side with each other except an outer edge thereof, so that the washer and the plastic lens contact each other along their outer edges.

REFERENCES:
patent: 5177641 (1993-01-01), Kobayashi et al.
patent: 2280923 (1998-05-01), None
patent: 2001-75006 (2001-03-01), None
patent: 2004-004566 (2003-02-01), None
patent: 2004-4566 (2004-01-01), None

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3866363