Lens driving mechanism and image capture apparatus

Details Lens driving mechanism and image capture apparatus Lens driving mechanism and image capture apparatus

2005-12-27

2005-12-27

Mack, Ricky (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S694000, C359S823000

Reexamination Certificate

active

06980371

ABSTRACT:
This prevents biting and miniaturizes an entire mechanism. There is provided a lens driver including: a driver having a frame that holds a lens and a bearing for receiving a guiding axis to move the lens in an optical axis direction, a lead screw in which a screw to which a nut is screwed is formed, and a stepping motor for rotating the lead screw; an arm extended from the frame, in such a way a tip being next to the nut, and moving the frame by movement of the nut; a spring for pushing an arm tip towards the nut; and an idle rotation section placed on only side where the arm is placed for the nut at a lead screw end of the driver, and has an axis diameter disabling the nut to be screwed. Also there is provided an image capture apparatus having the lens driver.

REFERENCES:
patent: 5655838 (1997-08-01), Ridley et al.
patent: 5966248 (1999-10-01), Kurokawa et al.
patent: 6501604 (2002-12-01), Onda
patent: 6762888 (2004-07-01), Oshima
patent: 6813441 (2004-11-01), Yamazaki
patent: 2003131109 (2003-05-01), None
patent: 2003195142 (2003-07-01), None

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