公开(公告)号：US11075536B2

公开(公告)日：2021-07-27

申请号：US15671757

申请日：2017-08-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ji-Hoon Jung ,  Bong-Chul Kim ,  Ki-Young Kim ,  Dae-Hyun Kim ,  Sang-Wook Kwon

IPC: H02J7/00 ,  H02J7/34

Abstract: A power providing device according to an embodiment of the present disclosure comprises a charger configured to adjust at least one of a voltage and a current of power provided from a power supplying source and to provide the adjusted power to an electronic device and a processor configured to receive, from the electronic device, at least one of identification information of the electronic device and information related to a battery of the electronic device, and to control the charger to adjust at least one of the voltage and the current of the power using at least one of the identification information about the electronic device and the information related to the battery of the electronic device.

公开(公告)号：US11025101B2

公开(公告)日：2021-06-01

申请号：US15230680

申请日：2016-08-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyung-Koo Chung ,  Sung-Ku Yeo ,  Ki-Young Kim

IPC: H02J50/80 ,  H02J50/10 ,  H02J50/40 ,  H02J7/02

Abstract: A wireless power transmitter for charging a wireless power receiver is provided. The wireless power transmitter includes a power transmission unit configured to transmit power for charging the wireless power receiver, by using a current applied to the power transmission unit, a communication module configured to receive out-of-band communication signal from the wireless power receiver and a controller configured to apply the current to the power transmission unit to transmit power in response to receiving the out-of-band communication signal from the wireless power receiver.

公开(公告)号：US10749382B2

公开(公告)日：2020-08-18

申请号：US15991357

申请日：2018-05-29

Applicant: Samsung Electronics Co., Ltd. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Ki-Young Kim ,  Eui-Hoon Chung ,  Jung-Ik Ha ,  Kang-Ho Byun ,  Ji-Hoon Jung

IPC: H02J50/12 ,  H02J7/02 ,  H02J50/80 ,  H02J50/90 ,  H02J50/10 ,  H04B5/00 ,  H02J5/00 ,  B60L53/12 ,  B60L53/38

Abstract: A wireless power transmitter is provided. The wireless power transmitter includes a power source configured to provide direct current (DC) power, an inverter configured to receive the DC power from the power source, invert the DC power into alternating current (AC) power, and output the AC power, a coil configured to generate a magnetic field based on an input of the AC power, a sensor configured to measure a voltage of the AC power output from the inverter and a current of the AC power output from the inverter, and at least one processor configured to identify an external voltage applied to a load of an electronic device based on the voltage of the AC power and the current of the AC power, wherein the electronic device is configured to be wirelessly charged using the magnetic field.

公开(公告)号：US10658880B2

公开(公告)日：2020-05-19

申请号：US15060873

申请日：2016-03-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dong-Zo Kim ,  Sang-Wook Kwon ,  Ki-Young Kim ,  Sung-Bum Park ,  Byoung-Hee Lee

IPC: H02J50/80 ,  H02J7/02

Abstract: An electronic device performing communication with a powerless sensor is provided. The electronic device includes a wireless charging module configured to wirelessly transmit power to a powerless sensor; and a communication module configured to receive data that is sensed in the powerless sensor using the wirelessly transmitted power.

公开(公告)号：US20180316226A1

公开(公告)日：2018-11-01

申请号：US15966686

申请日：2018-04-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ji-Hoon Jung ,  Ki-Young Kim ,  Dae-Hyun Kim ,  Young-Joon Kim

IPC: H02J50/12 ,  H02J50/40 ,  H02J50/05 ,  H02J7/02

Abstract: A wireless power transmitting device for wirelessly transmitting power to an electronic device is provided. The wireless power transmitting device includes a first coil configured to have a first number of windings and to receive power to be transmitted to the electronic device, thereby generating a magnetic field; and a second coil configured to have a second number of windings, which is different from the first number of windings, wherein an induced electromotive force generated, based on the magnetic field generated from the first coil, in the second coil is used for operation of at least one hardware component of the wireless power transmitting device, and wherein a ratio of a voltage applied to the first coil to a voltage applied to the second coil is determined by a ratio of the first number of windings to the second number of windings.

公开(公告)号：US09997944B2

公开(公告)日：2018-06-12

申请号：US14790420

申请日：2015-07-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ashish Khandelwal ,  Sanoop Ramachandran ,  Krishnan Seethalakshmy Hariharan ,  Ki-Young Kim

IPC: H02J7/04 ,  H02J7/00

CPC classification number: H02J7/007

Abstract: Embodiments herein disclose a method and system of charging a battery. The method includes identifying a state of the battery and a plurality of current levels corresponding to the state of the battery. Furthermore, the method includes charging the battery by applying the plurality of current levels corresponding to a pre-defined sequence to attain a cut-off voltage of the battery.

公开(公告)号：US11277039B2

公开(公告)日：2022-03-15

申请号：US16877639

申请日：2020-05-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dong-Zo Kim ,  Sang-Wook Kwon ,  Ki-Young Kim ,  Sung-Bum Park ,  Byoung-Hee Lee

IPC: H02J50/80 ,  H02J7/02

Abstract: An electronic device performing communication with a powerless sensor is provided. The electronic device includes a wireless charging module configured to wirelessly transmit power to a powerless sensor; and a communication module configured to receive data that is sensed in the powerless sensor using the wirelessly transmitted power.

公开(公告)号：US11133711B2

公开(公告)日：2021-09-28

申请号：US15951871

申请日：2018-04-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Ku Yeo ,  Dae-Hyun Kim ,  Young-Joon Kim ,  Kang-Ho Byun ,  Hyo-Seok Han ,  Ki-Young Kim ,  Ji-Hoon Jung ,  Jae-Hyun Park ,  Eun-Song Um

IPC: H02J50/12 ,  G01R21/06 ,  H02J50/60 ,  H02J50/40 ,  G05F1/66 ,  H02J50/80 ,  H02J50/20

Abstract: An electronic device and method are provided for wirelessly receiving power. The electronic device includes a first core including a first portion extending in a first direction and a second portion extending in a second direction different from the first direction, a first coil wound around the first portion and extending in the first direction, a second coil wound around the second portion and extending in the second direction, and a power processing circuit configured to process power wirelessly received, from a wireless power transmitter, through at least one of the first coil or the second coil.

公开(公告)号：US10103562B2

公开(公告)日：2018-10-16

申请号：US14801480

申请日：2015-07-16

Applicant: Samsung Electronics Co., Ltd. ,  Korea Advanced Institute of Science and Technology

Inventor： Byoung-Hee Lee ,  Jae-Ii Baek ,  Shin-Young Cho ,  Sang-Wook Kwon ,  Ki-Young Kim ,  Bong-Chul Kim ,  Gun-Woo Moon ,  Ji-Hoon Jung

IPC: H02J7/04 ,  H02J7/16 ,  H02J7/00

Abstract: The present invention relates to an electronic device and a method for controlling a charging operation of a battery. The charging control method includes charging a battery using a first charging mode, if a current voltage of the charged battery coincides with a predetermined voltage, decreasing an intensity level of a charging current and charging the battery using the decreased charging current intensity, and if the decreased charging current intensity coincides with a predetermined current intensity, converting from the first charging mode to a second charging mode and charging the battery using the second charging mode.

公开(公告)号：US11075543B2

公开(公告)日：2021-07-27

申请号：US15966686

申请日：2018-04-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ji-Hoon Jung ,  Ki-Young Kim ,  Dae-Hyun Kim ,  Young-Joon Kim

IPC: H02J50/12 ,  H02J7/02 ,  H02J50/05 ,  H02J50/40

Abstract: A wireless power transmitting device for wirelessly transmitting power to an electronic device is provided. The wireless power transmitting device includes a first coil configured to have a first number of windings and to receive power to be transmitted to the electronic device, thereby generating a magnetic field; and a second coil configured to have a second number of windings, which is different from the first number of windings, wherein an induced electromotive force generated, based on the magnetic field generated from the first coil, in the second coil is used for operation of at least one hardware component of the wireless power transmitting device, and wherein a ratio of a voltage applied to the first coil to a voltage applied to the second coil is determined by a ratio of the first number of windings to the second number of windings.