Title:
ELECTRONIC DEVICE FOR CUTTING OFF POWER
Document Type and Number:
WIPO Patent Application WO/2020/226452
Kind Code:
A1
Abstract:
An electronic device according to various embodiments may comprise: a power conversion unit which is configured to generate DC power on the basis of power obtained from an external source; a state detection unit which comprises a first photocoupler and a first diode electrically connected to the first photocoupler and is configured to detect the state of a user device which comprises or is electrically connected to the electronic device; a driving power supply unit which is configured to supply driving power for the user device on the basis of the DC power; a power cutoff unit which comprises a first FET and is configured to cut off the DC power, supplied to the driving power supply unit, according to the state of the user device; and a control unit which is electrically connected to the state detection unit.
Inventors:
KIM CHANGHO (KR)
Application Number:
PCT/KR2020/006092
Publication Date:
November 12, 2020
Filing Date:
May 08, 2020
Export Citation:
Assignee:
KIM CHANGHO (KR)
International Classes:
H02M1/00; H02J9/00
Foreign References:
| KR101043310B1 | 2011-06-21 | |||
| JP2014013698A | 2014-01-23 | |||
| KR101411433B1 | 2014-06-25 | |||
| KR20130121046A | 2013-11-05 | |||
| KR20160013628A | 2016-02-05 |
Attorney, Agent or Firm:
KWANG AND JANG INTELECTUAL PROPERTY LAW FIRM (KR)
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