Electrophotography – Control of electrophotography process – Control of fixing
Reexamination Certificate
2004-09-21
2008-03-18
Gray, David M. (Department: 2852)
Electrophotography
Control of electrophotography process
Control of fixing
Reexamination Certificate
active
07346288
ABSTRACT:
The present invention relates to a fixing apparatus which radiates rays to a detection object and which detects the rays returned from the detection object to obtain a temperature signal. The apparatus specifies a radiant ratio of the surface of the detection object using at least one of accumulated image forming times, detection position, and radiation deterioration, corrects the detected temperature signal based on the specified radiant ratio of the surface of the detection object to produce temperature data, and controls a power to be supplied to a heating mechanism which raises temperature of the detection object based on the produced temperature data.
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Kinouchi Satoshi
Sone Toshihiro
Takagi Osamu
Tsueda Yoshinori
Foley & Lardner LLP
Gray David M.
Kabushiki Kaisha Toshiba
Toshiba Tec Kabushiki Kaisha
Villaluna Erika J.
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