Positioning device for a reference surface

Details Positioning device for a reference surface Positioning device for a reference surface

2011-06-07

2011-06-07

Fuller, Rodney E (Department: 2862)

Photography

Camera attachment

C396S025000

Reexamination Certificate

active

07957640

ABSTRACT:
A positioning device for a reference surface within a lens port having a longitudinal axis, where a reference surface element able to be extended substantially transversely across the port and withdrawn from the extended position are provided. A transverse movement element to effect such extension and withdrawal of the reference surface are provided and the transverse movement element is operable from a position external of the lens port. The device further includes a camera or camera housing with a reference element of this type associated therewith. The invention finds particular use in the field of underwater photography.

REFERENCES:
patent: 5438363 (1995-08-01), Ejima et al.
patent: 2006/0176379 (2006-08-01), Hyodo
patent: 2008/0012959 (2008-01-01), Park
patent: 0 340 683 (2000-09-01), None
patent: 1 591 828 (2005-11-01), None
patent: 09-197529 (1997-07-01), None
patent: 2000-244806 (2000-09-01), None

Affiliated with

Also associated with

Rating

Positioning device for a reference surface does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2623697