US Patent 7583311 Automatic focusing device and focusing method
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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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US Patent 07583311 Automatic focusing device and focusing method US Patent 7583311 Automatic focusing device and focusing method
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Patent Number
0758331100
Patent Number
758331100
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Patent Jurisdiction
Patent Number
075833110
Date of Patent
September 1, 2009
0Patent Application Number
113975160
Date Filed
April 4, 2006
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
075833110
Date of Patent
September 1, 2009
0Patent Application Number
113975160
Date Filed
April 4, 2006
0Official Website
Patent Primary Examiner
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US Patent 07583311 Automatic focusing device and focusing method
Infobox
Is a
Patent jurisdiction
Patent number
07583311
Date of patent
September 1, 2009
Patent application number
11397516
Date Filed
April 4, 2006
Patent primary examiner
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