Electronic device

The present invention improves power supply efficiency during power line communication. This electronic device, comprising at least a portion of a constant current circuit connected to a predetermined load, has a circuit unit K that controls the voltage to be applied to the predetermined load on the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NII, HIDEAKI, SHIMADA, SHOZABURO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	The present invention improves power supply efficiency during power line communication. This electronic device, comprising at least a portion of a constant current circuit connected to a predetermined load, has a circuit unit K that controls the voltage to be applied to the predetermined load on the basis of a state related to the predetermined load. The circuit unit K has: a path (a path from end K1 to end K3 via a constant voltage diode D1) in which at least a portion of the voltage to be applied to the predetermined load is generated when a constant current flowing in the constant current circuit flows therein; and a field effect transistor Q1 serving as a switch unit for switching between short-circuiting the path and undoing the same. A control unit CT controls the voltage to be applied to the predetermined load by switching the state of the switch unit.