ELECTRONIC APPARATUS

PROBLEM TO BE SOLVED: To make unnecessary a power supply dedicated for a power control unit.SOLUTION: In an electronic apparatus connectable of a plurality of batteries, to a power supply for a power control unit for determining to select a battery and for switching over a switch, a connection is ma...

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Bibliographische Detailangaben
1. Verfasser:	NAKANO MAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CALCULATING CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMPUTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY GENERATION PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To make unnecessary a power supply dedicated for a power control unit.SOLUTION: In an electronic apparatus connectable of a plurality of batteries, to a power supply for a power control unit for determining to select a battery and for switching over a switch, a connection is made through a diode from each battery. Also, a connection is made through a diode from a power supply obtained by raising an output voltage of the selected battery. Thus, at activation, power is supplied to a power supply unit either directly from the battery before the battery selection, or by raising the output voltage of the selected battery after the battery selection. 【課題】電源制御部専用の電源を不要にできるようにする。【解決手段】複数のバッテリーの接続が可能な電子機器において、バッテリー選択の判定を行いスイッチを切り替える電源制御部のための電源に、各バッテリーからダイオードを介して接続すると共に、選択されたバッテリーの出力を昇圧して得た電源からもダイオードを介して接続することにより、起動時のバッテリー選択前はバッテリーから直接、バッテリー選択後は選択したバッテリーからの出力を昇圧して、電力供給部に給電する。【選択図】図１