ELECTRONIC DEVICE AND FREQUENCY INTERFERENCE CANCELLATION METHOD THEREOF

Title:

ELECTRONIC DEVICE AND FREQUENCY INTERFERENCE CANCELLATION METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/2021/020803

Kind Code:

A1

Abstract:

An electronic device and method are provided for frequency interference cancellation. The electronic device includes a coil, a wireless power receive circuit, a charging circuit, a display, and a processor. The processor may be configured to perform wireless charging with power wirelessly received from a wireless charger, change, via the charging circuit, a charging current of the electronic device from an initial current level to a first current level, based on the display being switched on during wireless charging, change, via the wireless power receive circuit, a charging voltage of the electronic device from an initial voltage level to a first voltage level, transmit, via the coil, a packet for changing a charging voltage of the wireless charger, change, via the wireless power receive circuit, the charging voltage of the electronic device to a second voltage level upon transmission of the packet, and change the charging current to the initial current level.

Inventors:

HA YOUNGMI (KR)
CHOI HANSOL (KR)
KIM DONGZO (KR)
KIM BYUNGWOOK (KR)
SONG JAEHO (KR)
SIN DONGIK (KR)
LEE WOORAM (KR)
CHO SUNGJOON (KR)

Application Number:

PCT/KR2020/009660

Publication Date:

February 04, 2021

Filing Date:

July 22, 2020

Export Citation:

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Assignee:

SAMSUNG ELECTRONICS CO LTD (KR)

International Classes:

H02J50/10; H02J50/80; H04L25/03

Domestic Patent References:

WO2018163177A1

2018-09-13

Foreign References:

US20160374049A1	2016-12-22
US20170025887A1	2017-01-26
US20140125138A1	2014-05-08
JP2015056959A	2015-03-23

Other References: