Power supply device and image forming apparatus having power supply device

Disclosed is a power supply device (80) that includes a controller (108) that performs a shutdown sequence; a first power supply unit (104) that generates first power and second power; a power-supply switch unit (106) that turns on or turns off a supply of the first power to the controller (108); a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YAMAMOTO, MITSUFUMI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING CINEMATOGRAPHY CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMPUTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY ELECTROGRAPHY ELECTROPHOTOGRAPHY GENERATION HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	Disclosed is a power supply device (80) that includes a controller (108) that performs a shutdown sequence; a first power supply unit (104) that generates first power and second power; a power-supply switch unit (106) that turns on or turns off a supply of the first power to the controller (108); a switch unit (114) that turns on or turns off a supply of the second power to the controller (108); a determination unit (1082) that determines whether the shutdown sequence is completed; and a signal transmission unit (1084) that transmits a switch-OFF signal to the switch unit (114) for turning off the supply of the second power to the controller (108) when the power-supply switch unit (106) turns off the supply of the first power to the controller (108) and the determination unit (1082) determines that the shutdown sequence is completed.