公开(公告)号：US20180278099A1

公开(公告)日：2018-09-27

申请号：US15928210

申请日：2018-03-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jong-Chul HONG ,  Kwang-Seob KIM ,  Dong-Zo KIM ,  Ji-Won KIM ,  Keum-Su SONG ,  Min-Cheol HA ,  Se-Hyun CHO

IPC: H02J50/90 ,  H01F38/14 ,  H02J7/02 ,  H02J50/12

Abstract: Disclosed is an apparatus for transmitting wireless power including: a plurality of coils; a position-sensing circuit that determines a position of an electronic device charged by the apparatus; and a control circuit determines at least one coil corresponding to the determined position of the electronic device from among the plurality of coils and transmit wireless charging power through one coil selected from the at least one determined coil. Other embodiments can be applied.

公开(公告)号：US20170229899A1

公开(公告)日：2017-08-10

申请号：US15361635

申请日：2016-11-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yun-Jeong NOH ,  Ki-Hyun KIM ,  Woo-Ram LEE ,  Kyoung-Won KIM ,  Jin-Yong LEE ,  Min-Hwa JEONG ,  Jong-Chul HONG

IPC: H02J7/02 ,  H02J50/05 ,  H02J50/12

CPC classification number: H02J7/025 ,  H01F27/2871 ,  H01F27/29 ,  H01F27/365 ,  H01F38/14 ,  H02J7/0042 ,  H02J50/05 ,  H02J50/12

Abstract: A cordless charging apparatus includes a housing, a main substrate accommodated in the housing, a coil unit stacked on the main substrate, and a connection member for electrically connecting the coil unit to the main substrate. The connection member includes a connector provided on the main substrate, and a connection substrate provided at the coil unit in order to contact the connector and electrically connect with the coil unit stacked on the main substrate.

公开(公告)号：US20200006986A1

公开(公告)日：2020-01-02

申请号：US16489012

申请日：2018-02-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kwang-Seob KIM ,  Dong-Zo KIM ,  Ji-Won KIM ,  Keum-Su SONG ,  Min-Cheol HA ,  Jong-Chul HONG ,  Se-Hyun CHO

IPC: H02J50/12 ,  H02J7/02 ,  H02M7/58

Abstract: A wireless power transmission apparatus according to various embodiments of the present invention may comprise: a power provision circuit for providing direct current (DC) power; a first conductive pattern; a second conductive pattern; multiple first switches connected to one end of the first conductive pattern and one end of the second conductive pattern; multiple second switches connected to the other end of the first conductive pattern; multiple third switches connected to the other end of the second conductive pattern; and a control circuit, wherein the control circuit controls the multiple first switches and the multiple second switches to convert the DC power into first alternating current (AC) power and apply the first AC power to the first conductive pattern and control the multiple first switches and the multiple third switches to convert the DC power into second AC power and apply the second AC power to the second conductive pattern. Various other embodiments are possible.