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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nobuyuki Sata0
Date of Patent
July 10, 2007
0Patent Application Number
108677120
Date Filed
June 16, 2004
0Patent Primary Examiner
Patent abstract
A reference value, which defines electric power to be supplied to a heating element, is generated. Deviation ΔT of temperature T1 measured by a radiation thermometer from target temperature T0 defined by a target temperature rising curve is determined. Compensation value is determined based on the deviation ΔT and the temperature T1. The reference value is multiplied by the compensation value. The heating element is supplied with electric power according to the corrected reference value.
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