公开(公告)号：US20200251928A1

公开(公告)日：2020-08-06

申请号：US16640017

申请日：2018-04-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mincheol HA ,  Dongzo KIM ,  Ji-Won KIM ,  Jae-Wan PARK ,  Chang-Hak O ,  Jongchul HONG ,  Yong Sang YUN

IPC: H02J50/00 ,  H02J50/12 ,  H02J50/80

Abstract: According to various embodiments, provided is an electronic device, which comprises a housing and a relay circuit located inside the housing and is capable of receiving and/or retransmitting an electromagnetic field of an external electronic device, wherein the relay circuit is configured to form a resonant frequency higher than that of an operating frequency range of the electromagnetic field transmitted by the external electronic device. Additional various embodiments are possible.

公开(公告)号：US20180152058A1

公开(公告)日：2018-05-31

申请号：US15823889

申请日：2017-11-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram LEE ,  Kyoungwon KIM ,  Seho PARK ,  Chang-Hak O ,  Kyeongjun KIM ,  Kihyun KIM ,  Yunjeong NOH ,  Jae-Wan PARK ,  Hyungkoo CHUNG

IPC: H02J50/70 ,  H02J50/80 ,  H02J50/12 ,  H02J7/02

CPC classification number: H02J50/70 ,  H02J7/025 ,  H02J50/12 ,  H02J50/80 ,  H02M7/5387

Abstract: An electronic device according to one embodiment of the present disclosure includes a conductive coil, a power generation circuit, and one or more processors operatively connected to the power generation circuit and may be configured to: compare an amount of transmission power to be supplied to a power reception device with designated threshold power amount, determine a designated frequency to be a frequency of a control signal for controlling the power generation circuit when the amount of transmission power is equal to or less than the designated threshold power amount, determine a phase of the control signal based at least in part on the amount of transmission power and/or the designated frequency when the designated frequency is determined to be the frequency of the control signal, transmit the control signal having the designated frequency and the phase to the power generation circuit to generate, based at least in part on the control signal, transmission power corresponding to the amount of transmission power, and supply the transmission power generated by the power generation circuit to the power reception device wirelessly via the conductive coil.