Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 1, 2009
Patent Application Number
11397516
Date Filed
April 4, 2006
Patent Primary Examiner
Patent abstract
In an automatic focusing device generating a luminance signal by scanning a picked-up digital image signal, evaluating the contrast of the luminance signal, and driving its focusing based on the evaluation; the scanning includes at least a part where scan is performed in a zigzag-like manner. With this configuration, focusing is facilitated for an object having no high frequency components in the horizontal direction. This invention can be understood as an invention of a method.
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