公开(公告)号：US10315525B2

公开(公告)日：2019-06-11

申请号：US15351078

申请日：2016-11-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ki Young Kim ,  Eun Seok Park ,  Jin Sung Choi ,  Sang Wook Kwon ,  Nam Yun Kim ,  Dong Zo Kim ,  Yun Kwon Park ,  Young Ho Ryu ,  Chang Wook Yoon ,  Young Tack Hong

IPC: B60L11/18 ,  H02J7/02 ,  H02J50/90 ,  H02J50/12 ,  H02J50/70 ,  H02J5/00

Abstract: A source device and a method for controlling a magnetic field using two source resonators in a wireless power transmission system are provided. A device configured to control a magnetic field, includes resonators configured to form the magnetic field to transmit power to another device. The device further includes a magnetic field shape determining unit configured to determine a shape of the magnetic field. The device further includes a phase changing unit configured to change a phase of at least one of the resonators to form the magnetic field in the determined shape.

公开(公告)号：US10298062B2

公开(公告)日：2019-05-21

申请号：US14037726

申请日：2013-09-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Keum Su Song ,  Sang Wook Kwon ,  Ki Young Kim ,  Yun Kwon Park ,  Jae Hyun Park ,  Chi Hyung Ahn ,  Young Ho Ryu

IPC: H02J50/12 ,  H02J50/90 ,  H02J7/02 ,  H02J50/80 ,  H02J50/40

Abstract: A wireless power transmission apparatus includes resonators configured to transmit a power wirelessly to another resonator, and a controller configured to control a current magnitude and/or a voltage magnitude of a power to be provided to each of the resonators. The apparatus further includes a feeder configured to provide the power to each of the resonators.

公开(公告)号：US10290418B2

公开(公告)日：2019-05-14

申请号：US14142571

申请日：2013-12-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Young Ho Ryu ,  Sang Wook Kwon ,  Ki Young Kim ,  Nam Yun Kim ,  Dong Zo Kim ,  Yun Kwon Park ,  Keum Su Song ,  Chi Hyung Ahn ,  Chang Wook Yoon ,  Jin Sung Choi

IPC: H02J50/00 ,  H01F38/14 ,  H02J50/80 ,  H02J50/90 ,  H02J50/40 ,  H02J50/12 ,  B60L11/18 ,  H02J7/02

Abstract: A resonant apparatus in a wireless power transmission system, includes a main resonant unit configured to form magnetic resonant coupling between the resonant apparatus and a resonator. The resonant apparatus further includes a field guiding resonant unit configured to focus a magnetic field on an internal portion of the main resonant unit, and a field additive resonant unit configured to adjust a magnitude of a magnetic field formed between the main resonant unit and the field guiding resonant unit.

公开(公告)号：US10224754B2

公开(公告)日：2019-03-05

申请号：US15088783

申请日：2016-04-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Nam Yun Kim ,  Sang Wook Kwon ,  Yun Kwon Park

IPC: H02J50/12 ,  H02J50/70 ,  H02J50/50 ,  H02J5/00 ,  H02J7/02 ,  H04B5/00 ,  B60L11/18 ,  H02J50/80 ,  H02J50/90 ,  H02J50/40

Abstract: A wireless power transmission and charging system, and a communication method of the wireless power transmission and charging system are provided. In one embodiment, a resonance frequency control method of a wireless power transmitter may include: generating communication power used for communication in a plurality of target devices using a reference resonance frequency; transmitting communication power to the plurality of target devices; transmitting charging power to the plurality of target devices; and adjusting the reference resonance frequency based on a reflected wave of the charging power, the amount of power received by one or more of the target devices, the amount of the charging power, the transmission efficiency of the charging power, or any combination thereof.

公开(公告)号：US10199883B2

公开(公告)日：2019-02-05

申请号：US15177732

申请日：2016-06-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Nam Yun Kim ,  Sang Wook Kwon ,  Yun Kwon Park ,  Jin Sung Choi

IPC: H02J50/00 ,  H02J50/70 ,  H02J50/12 ,  H02J17/00 ,  H02J5/00 ,  H02J7/02 ,  B60L11/18 ,  H02J50/80

Abstract: Provided is an apparatus and method that may stably perform wireless transmission. According to one general aspect, a power supply for a wireless power transmitter may include: a detecting unit configured to detect voltage, current, or both supplied to a power amplifier (PA); a controller configured to determine power supplied to the PA based on the detected voltage, the detected current, or both, and to determine a reference current based on the determined power supplied to the PA; and a breaker configured to cut off the power supplied to the PA based on a comparison of current supplied to the PA and the reference current.

公开(公告)号：US10050479B2

公开(公告)日：2018-08-14

申请号：US15218142

申请日：2016-07-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eun Seok Park ,  Sang Wook Kwon ,  Ki Young Kim ,  Nam Yun Kim ,  Dong Zo Kim ,  Yun Kwon Park ,  Young Ho Ryu ,  Chang Wook Yoon ,  Jin Sung Choi ,  Young Tack Hong

IPC: H02J50/90 ,  H02J50/80 ,  H02J50/12 ,  H02J50/40 ,  H02J7/02 ,  H04B5/00

CPC classification number: H02J50/90 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H04B5/0037 ,  H04B5/0075

Abstract: A wireless power transmission system based on cell division is provided. A communication and power control method of the wireless power transmission system, includes setting a magnetic coupling zone. The method further includes detecting a target device in the magnetic coupling zone. The method further includes transmitting a power to the target device. The method further includes adjusting an amount of the power based on a transmission efficiency of the power.

公开(公告)号：US09824816B2

公开(公告)日：2017-11-21

申请号：US14230451

申请日：2014-03-31

Applicant: Samsung Electronics Co., Ltd. ,  Industry-University Cooperation Foundation Hanyang University

Inventor： Keum Su Song ,  Sang Wook Kwon ,  Ki Young Kim ,  Dong Zo Kim ,  Bong Chul Kim ,  Yun Kwon Park ,  Jae Hyun Park ,  Chi Hyung Ahn ,  Young Ho Ryu ,  Byoung Hee Lee ,  Jun Seok Lee ,  Jae Hoon Choi ,  Kyung Young Jung ,  Sang Gyu Ha

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H01F38/14 ,  H02J5/00

CPC classification number: H01F38/14 ,  H02J5/005 ,  H02J50/12 ,  H02J50/70

Abstract: A wireless power receiving device and a wireless power transmission apparatus are provided. The wireless power receiver may include a resonator configured to emit an electromagnetic field, a blocker configured to surround a portion of an exterior of the resonator, and a spacer disposed between the resonator and the blocker.

公开(公告)号：US09819197B2

公开(公告)日：2017-11-14

申请号：US14332758

申请日：2014-07-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Nam Yun Kim ,  Sang Wook Kwon ,  Ki Young Kim ,  Bong Chul Kim ,  Yun Kwon Park ,  Jae Hyun Park ,  Young Ho Ryu

IPC: H02J5/00 ,  H04B5/00

CPC classification number: H02J50/70 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/60 ,  H02J50/80 ,  H04B5/0031 ,  H04B5/0037 ,  H04W52/243

Abstract: An interference control method of a power transmitting unit (PTU) includes determining whether the PTU is in an interference environment in which interference by a neighbor PTU occurs, and controlling a communication parameter of either one or both of the neighbor PTU and a power receiving unit (PRU) in response to a result of the determining being that the PTU is in the interference environment.

公开(公告)号：US09796281B2

公开(公告)日：2017-10-24

申请号：US14323132

申请日：2014-07-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae Hyun Park ,  Young Ho Ryu ,  Sang Wook Kwon ,  Ki Young Kim ,  Nam Yun Kim ,  Dong Zo Kim ,  Bong Chul Kim ,  Yun Kwon Park ,  Keum Su Song ,  Chi Hyung Ahn ,  Byoung Hee Lee

IPC: B60L11/18 ,  H02J7/02 ,  H04B5/00 ,  H02J17/00

CPC classification number: B60L11/182 ,  B60L11/1824 ,  B60L11/1861 ,  B60L2210/10 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2230/16 ,  H02J17/00 ,  H02J50/10 ,  H02J50/12 ,  H02J50/90 ,  H04B5/0037 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7088 ,  Y02T10/7216 ,  Y02T10/7241 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163

Abstract: A wireless power transmission apparatus includes a plurality of transmission (TX) resonators configured to resonate with at least one reception (RX) resonator, and wirelessly transmit power to the at least one RX resonator; and a frequency controller configured to control the input frequency so that power is stably supplied to the at least one RX resonator.

公开(公告)号：US09793740B2

公开(公告)日：2017-10-17

申请号：US14089112

申请日：2013-11-25

Applicant: Samsung Electronics Co., Ltd. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： Dong Zo Kim ,  Sang Wook Kwon ,  Ki Young Kim ,  Nam Yun Kim ,  Young Jin Moon ,  Yun Kwon Park ,  Keum Su Song ,  Chi Hyung Ahn ,  Young Ho Ryu ,  Chang Sik Yoo ,  Chang Wook Yoon ,  Jin Sung Choi

IPC: H02J7/00 ,  H02J7/02

CPC classification number: H02J50/90 ,  H02J7/022 ,  H02J7/025 ,  H02J50/12 ,  H02J50/80

Abstract: An apparatus and a method for charge control are provided. The apparatus for charge control may include an integrated direct current-to-direct current (DC/DC) converter configured to step up an output voltage level of a load to be greater than or equal to a supply voltage level set in a power amplifier, and the power amplifier configured to convert a direct current (DC) voltage stepped up by the integrated DC/DC converter into an alternating current (AC) voltage based on a resonant frequency, and to amplify the converted AC voltage. The apparatus for charge control may include a rectification unit configured to convert an AC power received wirelessly into a DC power; and a DC/DC converter configured to step down a voltage level of the DC power to a voltage level required by a load in the receiving mode.