US Patent 7599647 Charging device and electrophotographic apparatus including the same
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Patent Inventor Names
Hirokazu Yamauchi0
Kazuhiro Matsuyama0
Tatsuya Inoue0
Toshiki Takiguchi0
Yasuhiro Takai0
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Patent abstract
In an image forming apparatus of the present invention, a scorotron charging device has a meshed grid electrode which is meshed more coarsely in a high-speed apparatus than a meshed grid electrode in a low-speed apparatus according to a circumferential velocity of a photoreceptor. With this arrangement, it is possible to charge the photoreceptor at a predetermined potential in the high-speed apparatus, without increase of the amount of ozone generation and upsizing of the image forming apparatus.
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US Patent 07599647 Charging device and electrophotographic apparatus including the same US Patent 7599647 Charging device and electrophotographic apparatus including the same
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Patent Number
075996470
Patent Number
75996470
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Official Website
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Patent Jurisdiction
Patent Number
075996470
Date of Patent
October 6, 2009
0Patent Application Number
115867260
Date Filed
October 26, 2006
0Official Website
Patent Primary Examiner
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US Patent 07599647 Charging device and electrophotographic apparatus including the same
Infobox
Is a
Patent jurisdiction
Patent number
07599647
Date of patent
October 6, 2009
Patent application number
11586726
Date Filed
October 26, 2006
Patent primary examiner
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