Lens barrel, and camera, mobile information terminal and...

Details Lens barrel, and camera, mobile information terminal and... Lens barrel, and camera, mobile information terminal and...

2007-05-29

2009-06-23

Mack, Ricky L (Department: 2873)

Optical: systems and elements

Lens

With support

C359S811000

Reexamination Certificate

active

07551376

ABSTRACT:
The invention is directed to a lens barrel and an image input device including the lens barrel. The invention includes a third lens retention frame. The third lens retention frame includes an arm, an outer frame, a rotatable slider movable in an optical axis direction with respect to the outer frame for retaining a third lens group, and a spring for energizing the rotatable slider to the optical axis direction with respect to the outer frame. The rotatable slider takes two positions alternately every time it is pushed by an external force that is applied to the optical axis direction a forward position toward the subject side in the optical axis direction with respect to the outer frame and a backward position toward the image side in the optical axis direction with respect to the outer frame.

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