Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jun Sakakibara0
Naoyuki Misaka0
Hidekazu Sekizawa0
Date of Patent
August 17, 2010
0Patent Application Number
116693060
Date Filed
January 31, 2007
0Patent Primary Examiner
Patent abstract
An image forming apparatus applies a shading correction to an image read from a white reference board 18, and determines presence or absence of stripe-like noise in the image read therefrom after applying the shading correction. The apparatus exposes an area at which there is no noise in the white reference board 18 to create a white reference value for a shading correction for reading a document after that time.
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