JP2969410B

PURPOSE:To constitute power supply for a device for executing rated operation and stand-by operation. A main power supply circuit reduces its output and a sub-power supply circuit continuously supplies a fixed voltage to a part constantly requiring power in the standby operation. CONSTITUTION:Power...

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Bibliographische Detailangaben
Hauptverfasser:	OOMORI EIJI, WATANABE AKIRA
Format:	Patent
Sprache:	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 ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	PURPOSE:To constitute power supply for a device for executing rated operation and stand-by operation. A main power supply circuit reduces its output and a sub-power supply circuit continuously supplies a fixed voltage to a part constantly requiring power in the standby operation. CONSTITUTION:Power is supplied from the main power supply circuit l having plural outputs to the sub-power supply circuit 2. Two error amplifiers 4, 5 for controlling the circuit l are connected and a switching circuit 3 switches an effective error amplifier in accordance with a power supply operation mode to control the outputs of the circuit l to the set values of respective modes. Simultaneously the circuit 3 switches also the outputs V1, V2 of the circuit 1 which are to be supplied to the circuit 2 to secure voltage necessary for allowing the circuit 2 to execute constant voltage operation.