Variable focus optic module and optic system

Details Variable focus optic module and optic system Variable focus optic module and optic system

2008-01-29

2008-01-29

Mack, Ricky (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S699000

Reexamination Certificate

active

10939259

ABSTRACT:
A variable focus optic module is provided with a housing, a lens assembly, and a protrusion and recess system. The lens assembly is movably disposed in operable relationship with the housing. The protrusion and recess system includes at least one protrusion disposed on one of the housing and the lens assembly, and at least one recess disposed in the opposing one of the lens assembly and the housing. The at least one protrusion operatively engages the at least one recess to control axial movement of the lens assembly, in discrete steps relative to the housing.

REFERENCES:
patent: 5268794 (1993-12-01), Chan
patent: 5764312 (1998-06-01), Okumura
patent: 5831777 (1998-11-01), Iwasa
patent: 6115197 (2000-09-01), Funahashi
patent: 6396644 (2002-05-01), Hayashi et al.
patent: 6765728 (2004-07-01), Kabe

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