Control device of fixation temperature
专利汇可以提供Control device of fixation temperature专利检索，专利查询，专利分析的服务。并且PURPOSE:To enable to copy immediately after a main electric power source is turned on, in case when utilizing frequency is high, by continuoulsy conducting a fixation heater for a constant interval of time after a main switch is turned off. CONSTITUTION:When a main switch 3 is turned on, a relay 11, a transformer 6, a full-wave rectifier 7, and an AMP1 are conducted, but since a detecting temperature of a thermistor 8 is low, an L output is outputted from the AMP1, a frausistor Q2 is turned on, and a relay 9 and a fixation heater 5 are conducted. When the fixation heater 5 reaches a prescribed temperature, an output of the AMP1 becomes H. As a result, the transistor Q2 becomes off and the conduction is cut off. When the main switch is turned off, a normally opening contact RY3 of the relay 11 is opened, a normally opening contact RY2 of a relay 10 remains closed, a voltage dropping transformer 6 and a timing circuit 13 are conducted, a transistor Q3 and the relay 10 are turned off by a resistance R1, a capacitor C and an H output of the AMP3, the voltage dropping transformer 6 is disconnected, an operation of a temperature controlling circuit is stopped, and the fixation heater 5 is stopped.，下面是Control device of fixation temperature专利的具体信息内容。
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