Japan, Feb. 24 -- HITACHI LTD has got intellectual property rights for 'POWER SUPPLY DEVICE AND POWER SUPPLY METHOD.' Other related details are as follows:
Application Number: JP,2022-033426
Category (FI): H02J50/05,H02J50/10,H02M7/06@E,H02M7/06@G,H02J7/00,301@D,H02J7/00,H02J50/70
Stage: PROBLEM TO BE SOLVED: To provide a method of extracting electricity simply, safely, and efficiently from an AC wiring connecting a power converter and an AC load by using an electrostatic induction method.SOLUTION: A power supply device includes: a shield that has a configuration surrounding an AC wiring that connects a power converter and an AC load; a rectifier circuit with an input end to which a wiring from the shield is connected; a smoothing capaci...