Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiromi Matsuda0
Satoshi Nakayama0
Date of Patent
August 9, 2011
Patent Application Number
11683658
Date Filed
March 8, 2007
Patent Primary Examiner
Patent abstract
An image pickup apparatus having an image pickup device and an extracting range changing device. The changing device changes an extracting range of an image signal regarded as an achromatic signal, output from the image pickup device, based on a result of comparison with a current brightness and a stored brightness. A white balance control device of the image pickup apparatus controls on a basis of the gain correction signal obtained from the image signal extracted from the range changed by the extracting range changing device.
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