US Patent 7623818 Belt fixing device and image forming apparatus therewith
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Patent abstract
A belt fixing device includes an endless belt member, an excitation coil and a deterioration detection unit. The endless belt member includes a metal layer. The excitation coil heats the metal layer by electromagnetic induction. The deterioration detection unit detects deterioration of the metal layer of the belt member through the excitation coil.
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US Patent 07623818 Belt fixing device and image forming apparatus therewith US Patent 7623818 Belt fixing device and image forming apparatus therewith
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Patent Number
0762381800
Patent Number
762381800
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Infobox
Is a
Patent Jurisdiction
Patent Number
076238180
Date of Patent
November 24, 2009
0Patent Application Number
115432010
Date Filed
October 5, 2006
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
076238180
Date of Patent
November 24, 2009
0Patent Application Number
115432010
Date Filed
October 5, 2006
0Official Website
Patent Primary Examiner
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US Patent 07623818 Belt fixing device and image forming apparatus therewith
Infobox
Is a
Patent jurisdiction
Patent number
07623818
Date of patent
November 24, 2009
Patent application number
11543201
Date Filed
October 5, 2006
Patent primary examiner
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