DC POWER SUPPLY SYSTEM AND LIGHTING APPARATUS

PROBLEM TO BE SOLVED: To provide a low-cost DC power supply system, which supplies DC power using a commercial AC power source and natural energy, capable of efficiently utilizing natural energy even when the power generated thereby is small.SOLUTION: An DC power supply system 10 of the embodiment i...

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1. Verfasser: UDA KOJI
Format: Patent
Sprache:eng
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