Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 8, 2009
Patent Application Number
11609581
Date Filed
December 12, 2006
Patent Primary Examiner
Patent abstract
An auto-focus optical lens module is proposed, including a base body having a receiving space formed therein, a lens sleeve rotatably disposed in the receiving space, a lens screwed with the lens sleeve, and a piezoelectric element fixed in the base body for contacting and driving the lens sleeve to rotate, wherein the base body and the lens are respectively provided with a first and second guiding portions for slidably positioning, thereby driving the lens sleeve to rotate so as to enable the lens to focus. The auto-focus optical lens module has simplified elements and enhanced driving force.
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