Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 28, 2009
Patent Application Number
11737464
Date Filed
April 19, 2007
Patent Primary Examiner
Patent abstract
The present invention relates to an auto focus method. The peak value range is defined by a search step look-up table and several focusing parameters. By using the auto focus method, the search time and the number of the lens movement steps are largely reduced.
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