Lens barrel unit and imaging apparatus

Details Lens barrel unit and imaging apparatus Lens barrel unit and imaging apparatus

2011-06-28

2011-06-28

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S694000, C359S701000, C359S704000, C359S823000, C359S826000, C359S813000, C396S073000, C396S349000

Reexamination Certificate

active

07969662

ABSTRACT:
A lens barrel unit including a lens barrel which has a plurality of lens groups and is set to a photographing state by moving at least a part of the lens groups to an object side and to a collapsed state by moving the at least the part of the lens groups to an image plane side and storing the lens groups, the lens barrel unit includes: a first supporting frame which retains at least one lens group of the lens groups; a second supporting frame which retains the first supporting frame movably in an optical axis direction of the lens barrel; a first supporting frame moving section which moves the first supporting frame in the optical axis direction of the lens barrel; and a fixed cylinder in which a main shaft which is capable of moving the second supporting frame in the optical axis direction of the lens barrel is provided.

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patent: 2009/0046198 (2009-02-01), Iwasaki
patent: 2009/0066829 (2009-03-01), Iwasaki
patent: 2010/0053780 (2010-03-01), Iwasaki
patent: 2010/0103307 (2010-04-01), Iwasaki
patent: 2006-330657 (2006-12-01), None
patent: 2008-90201 (2008-04-01), None

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