HEATER DRIVING DEVICE

PURPOSE:To provide the heater driving device with which the variation in temperature increase and rush current value of a current limiting means can be prevented from occurring by the operation mode of an image forming device or the like. CONSTITUTION:When the temperature of a halogen heater 69 does...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TSUKADA MASAHARU, KIMURA TSUTOMU, IWAMA HIDETO, SUZUKI HIDEKI, NAKATANI AKIRA, NOMOTO SATOJI
Format:	Patent
Sprache:	eng
Schlagworte:	CINEMATOGRAPHY CONTROLLING ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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Beschreibung
Zusammenfassung:	PURPOSE:To provide the heater driving device with which the variation in temperature increase and rush current value of a current limiting means can be prevented from occurring by the operation mode of an image forming device or the like. CONSTITUTION:When the temperature of a halogen heater 69 does not reach a standby temperature while a power source is turned on, first of all, a triac 66 is turned on and next, a triac 67 is turned off and when the temperature of the halogen heater is higher than a prescribed temperature set lower than the standby temperature the time to turn on the triac 66 is made shorter than the time in the case that the temperature is lower than the prescribed temperature.