Lens barrel

Details Lens barrel Lens barrel

2011-01-04

2011-01-04

Hasan, Mohammed (Department: 2873)

Optical: systems and elements

Lens

With support

C359S811000, C359S813000

Reexamination Certificate

active

07864458

ABSTRACT:
A lens barrel includes a support ring movable in an optical axis direction; a displaceable optical element supported by the support ring movable between a photographing position and a radially-displaced position in which the displaceable optical element is eccentrically displaced from the optical axis; and an advancing/retracting optical element supported by the support ring. When the lens barrel is in a ready-to-photograph state, the displaceable optical element is held at the photographing position, and the displaceable optical element and the advancing/retracting optical element are aligned in the optical axis direction. When the lens barrel moves from the ready-to-photograph state to an accommodated state, the displaceable optical element is held at the radially-displaced position, and the displaceable optical element and the advancing/retracting optical element are relatively moved so as to at least partially coincide with each other in a direction orthogonal to the optical axis.

REFERENCES:
patent: 4825235 (1989-04-01), Wakabayashi et al.
patent: 6978089 (2005-12-01), Nomura et al.
patent: 7338219 (2008-03-01), Ishizuka et al.
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patent: 7633693 (2009-12-01), Hung et al.
patent: 2003/0081328 (2003-05-01), Nomura et al.
patent: 2003/0081329 (2003-05-01), Nomura et al.
patent: 2003/0081948 (2003-05-01), Nomura et al.
patent: 2006/0268430 (2006-11-01), Sasaki
patent: 2006/0268436 (2006-11-01), Sasaki

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