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Patent Searching and Data


Title:
POWER SUPPLY DEVICE CAPABLE OF REDUCING TOUCH CURRENT IN ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/186549
Kind Code:
A1
Abstract:
Various embodiments of the present document relate to a power supply device capable of reducing a touch current (or leakage current) in an electronic device. The power supply device may include a primary coil, a first ground connected to the primary coil, a secondary coil arranged adjacent to the primary coil, a second ground connected to the secondary coil, a Y capacitor arranged between the first ground and the second ground, and a switching element arranged between the Y capacitor and the first ground. The present document may further include various other embodiments.

Inventors:
SHIN WOONSHIK (KR)
CHA JAEDEOK (KR)
Application Number:
PCT/KR2022/002738
Publication Date:
September 09, 2022
Filing Date:
February 24, 2022
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H02M3/335; H02J7/00; H02M1/00; H02M1/32
Foreign References:
US20130249862A12013-09-26
US6603317B22003-08-05
US20130201582A12013-08-08
US7236078B22007-06-26
Other References:
SHIN, WOON SHIK: "Analysis of Minimizing Techniques for Touch Current in Mobile Devices.", THE 23RD INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS)., 24 November 2020 (2020-11-24), pages 421 - 425, XP055963430
Attorney, Agent or Firm:
YOON & LEE INTERNATIONAL PATENT & LAW FIRM (KR)
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