Temperature controller of pulverulent image fixing apparatus
专利汇可以提供Temperature controller of pulverulent image fixing apparatus专利检索，专利查询，专利分析的服务。并且PURPOSE: To make a switching noise low and scrupulously control a temperature, by bringing the switch means to which the heater and the power source have been connected in series, to zero-cross switching by the pulse output by the time series pulse transducer.
CONSTITUTION: The resistor R
1 is connected in series with the temperature detecting thermister TH, and the bridge is formed by the resistors R
2 and R
3 . An output of this bridge is amplified by the differential input amplifier A, and it is digitized by the A/D converter ADC. Combination of the A/D converter and the address recorder of the pattern generator PG functions as a temperature level discrimination device, and the zero-cross detector ZCD is a synchronizing signal generating circuit for detecting the passing time point of zero-voltage of the supply voltage and outputting a synchronizing signal to the supply voltage. Also, the shift register SR which operates as a time series pulse transducer makes the output pulse of the counter C a set input, inputs the output signal of the generator PG, and serially outputs by making the output of the detector ZCD a clock.
COPYRIGHT: (C)1981,JPO&Japio，下面是Temperature controller of pulverulent image fixing apparatus专利的具体信息内容。
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