Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 12, 2008
Patent Application Number
11234331
Date Filed
September 23, 2005
Patent Primary Examiner
Patent abstract
A lens driving device includes a substrate which generates surface acoustic waves on its surface and a movable unit which is coupled to an optical lens and executes translation above the substrate using the surface acoustic waves. The lens driving device can implement translation of the lens without a separate mechanism, unlike the conventional driving devices using motors and screws, thereby satisfying the recent trend towards miniaturization and lightness to be used in a variety of industrial fields that use optical lenses.
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