Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Osamu Takagi0
Satoshi Kinouchi0
Toshihiro Sone0
Yoshinori Tsueda0
Date of Patent
February 27, 2007
0Patent Application Number
109453950
Date Filed
September 21, 2004
0Patent Primary Examiner
Patent abstract
A fixing apparatus according to an embodiment of the present invention has a plurality of coils which are independently controlled by an inverter circuit. These coils have shapes to make the difference between the frequencies of the flowing high-frequency current out of an audible frequency range, preventing interference noise.
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