Lens barrel suitable to be housed

Details Lens barrel suitable to be housed Lens barrel suitable to be housed

2006-11-28

2009-10-20

Koval, Melissa J (Department: 2862)

Photography

Having variable focal length of camera objective

Lens moves in or out of light path

C359S675000

Reexamination Certificate

active

07606478

ABSTRACT:
A retractable lens barrel achieving thinning thereof in both directions parallel and perpendicular to a photographic optical axis. The lens barrel has a first lens and a second lens disposed in an inside thereof, and has a structure in which an optical axis of the second lens is aligned with an optical axis of the first lens when photographing, and the first lens is moved to a housed position and the second lens is moved in a retreating direction from the optical axis of the first lens when the first and second lenses are retracted. The lens barrel also has a holding member for holding the second lens and a rotation unit for rotating the holding member of the second lens, the holding member being rotated about a rotation shaft different from the optical axis of the first lens and perpendicular to the optical axes of the first and second lenses.

REFERENCES:
patent: 4887107 (1989-12-01), Nakamura et al.
patent: 6055378 (2000-04-01), Oono et al.
patent: 2006/0056078 (2006-03-01), Nomura et al.
patent: 2006/0176373 (2006-08-01), Ito et al.

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