US Patent 7720424 Image forming apparatus and fixing device therefor
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Patent abstract
In order to efficiently utilize the energy of the flux leaked from the vicinities of the edges of a fixing roller having a part to be heated, which is made of magnetic material that has Curie point, the energy of the leaked flux is stored to be utilized as need arises, or is utilized to heat the vicinity of the center of the fixing roller.
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US Patent 07720424 Image forming apparatus and fixing device therefor US Patent 7720424 Image forming apparatus and fixing device therefor
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Patent Number
0772042400
Patent Number
772042400
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Is a
Patent Jurisdiction
Patent Number
077204240
Date of Patent
May 18, 2010
0Patent Application Number
120799600
Date Filed
March 31, 2008
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
077204240
Date of Patent
May 18, 2010
0Patent Application Number
120799600
Date Filed
March 31, 2008
0Official Website
Patent Primary Examiner
Edits on 18 Jun, 2022
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US Patent 07720424 Image forming apparatus and fixing device therefor
Infobox
Is a
Patent jurisdiction
Patent number
07720424
Date of patent
May 18, 2010
Patent application number
12079960
Date Filed
March 31, 2008
Patent primary examiner
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