Driving device, lens barrel and imaging apparatus

Details Driving device, lens barrel and imaging apparatus Driving device, lens barrel and imaging apparatus

2008-04-08

2008-04-08

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S814000, C359S698000, C310S323010, C310S328000

Reexamination Certificate

active

11521106

ABSTRACT:
A driving device including: a vibrating body composed of a plurality of electric elements which are arranged to intersect in a predetermined angle, to vibrate based on a high frequency signal; a driven member having disk shape to be rotated by vibration of the vibrating body; a male screw member formed to rotate integrally with the driven member; a female screw member to be engaged threadably with the male screw member and to move by rotation of the male screw member; wherein the vibrating body is arranged on the male screw member side of the driven member.

REFERENCES:
patent: 5490015 (1996-02-01), Umeyama et al.
patent: 5675444 (1997-10-01), Ueyama et al.
patent: 6078440 (2000-06-01), Ueyama
patent: 6215605 (2001-04-01), Kuwana et al.
patent: 6927527 (2005-08-01), Nakanishi
patent: 7262926 (2007-08-01), Ohsato
patent: 2003/0107667 (2003-06-01), Abe et al.
patent: 2001-190081 (2001-07-01), None
patent: 2003-222946 (2003-08-01), None

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