公开(公告)号：US10038476B2

公开(公告)日：2018-07-31

申请号：US14929811

申请日：2015-11-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H04B5/00 ,  H02M7/04 ,  H03F3/04

CPC classification number: H04B5/0037 ,  H02M7/04 ,  H03F3/04 ,  H04B5/0031 ,  H04B5/0081

Abstract: An apparatus and method for communication using a wireless power are provided. The apparatus includes an amplifier configured to amplify an input signal based on a power supplied to the amplifier. The apparatus further includes a control unit configured to detect a change in an impedance of a target device, and to change the power based on the change in the impedance. The apparatus further includes a demodulation unit configured to receive a message from the target device, and to demodulate the message based on the changed power.

公开(公告)号：US09997959B2

公开(公告)日：2018-06-12

申请号：US13742992

申请日：2013-01-16

Applicant: Samsung Electronics Co., LTD.

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

IPC: H02J50/80 ,  H02J50/50 ,  H02J17/00 ,  H02J5/00 ,  H02J7/02

CPC classification number: H02J50/12 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/50 ,  H02J50/80

Abstract: A wireless power transmission system and a method for increasing a coupling efficiency by adjusting a resonant frequency are provided. A device of the wireless power transmission system includes a resonator configured to transmit a wireless power, and a communication unit configured to receive information from another device. The device further includes a controller configured to determine a power transmission efficiency based on the information, and adjust a resonant frequency of the device, a resonant frequency of a relay device, and a resonant frequency of the other device, if the power transmission efficiency is less than or equal to a predetermined reference efficiency.

公开(公告)号：US09984814B2

公开(公告)日：2018-05-29

申请号：US13938671

申请日：2013-07-10

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H01F38/14 ,  H02J50/90 ,  H02J50/40 ,  H02J50/12 ,  H02J5/00 ,  H02J7/02 ,  H01F21/12 ,  H02J7/00

CPC classification number: H01F38/14 ,  H01F2021/125 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/90 ,  H02J2007/0096

Abstract: A wireless power transmitter includes a source resonator configured to wirelessly transmit power via magnetic coupling with a target resonator; and an impedance adjusting unit configured to adjust an impedance of the source resonator using a plurality of impedance-matching bars located in the source resonator.

公开(公告)号：US09966799B2

公开(公告)日：2018-05-08

申请号：US14796102

申请日：2015-07-10

Applicant: Samsung Electronics Co., Ltd

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

IPC: H02J5/00 ,  H02J17/00 ,  H02J7/02 ,  H02J50/12 ,  H02J50/80 ,  H02J50/70 ,  H02J50/90 ,  H02H3/08 ,  H02H3/20 ,  H02H5/04

CPC classification number: H02J50/12 ,  H02H3/08 ,  H02H3/20 ,  H02H5/042 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/70 ,  H02J50/80 ,  H02J50/90

Abstract: An overvoltage protecting unit and an overcurrent protecting unit protect a power device from an overvoltage and an overcurrent using a comparator having hysteresis. An overtemperature protecting unit protects the power device from an overtemperature using a thermistor having a resistance that changes as a temperature of the thermistor changes.

公开(公告)号：US09935496B2

公开(公告)日：2018-04-03

申请号：US13742992

申请日：2013-01-16

Applicant: Samsung Electronics Co., LTD.

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

IPC: H02J50/80 ,  H02J50/50 ,  H02J17/00 ,  H02J5/00 ,  H02J7/02

Abstract: A wireless power transmission system and a method for increasing a coupling efficiency by adjusting a resonant frequency are provided. A device of the wireless power transmission system includes a resonator configured to transmit a wireless power, and a communication unit configured to receive information from another device. The device further includes a controller configured to determine a power transmission efficiency based on the information, and adjust a resonant frequency of the device, a resonant frequency of a relay device, and a resonant frequency of the other device, if the power transmission efficiency is less than or equal to a predetermined reference efficiency.

公开(公告)号：US10141979B2

公开(公告)日：2018-11-27

申请号：US15673116

申请日：2017-08-09

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04B5/00

Abstract: An apparatus and method of using near field communication (NFC) and wireless power transmission (WPT) are provided. A power receiving apparatus includes a resonator configured to receive a power and to output the power. The power receiving apparatus further includes a near field communication (NFC) receiver configured to perform wireless communication using the power output by the resonator. The power receiving apparatus further includes a wireless power transmission (WPT) receiver configured to supply a voltage using the power output by the resonator. The power receiving apparatus further includes a connecting unit configured to selectively connect the resonator to either the NFC receiver or the WPT receiver. The power receiving apparatus further includes a mode selector configured to control the connecting unit to selectively connect the resonator to either the NFC receiver or the WPT receiver based on the power output by the resonator.

公开(公告)号：US10130228B2

公开(公告)日：2018-11-20

申请号：US15056231

申请日：2016-02-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Nam Yun Kim ,  Eun Seok Park ,  Sang Wook Kwon ,  Young Tack Hong ,  Young Ho Ryu

IPC: H02J50/12 ,  H02J50/20 ,  H02J50/80 ,  H02J50/90 ,  A47L9/28 ,  H02J7/02 ,  H04B5/00 ,  H02J7/00

Abstract: Provided are a wirelessly charged robot cleaner in a robot cleaning system and a controlling method thereof. The wirelessly charged robot may include a target resonator to receive a resonance power through energy-coupling with a source resonator of a wireless power transmitter, a wireless power receiving unit to convert the received resonance power into a rated voltage, and a battery controller to check a remaining capacity of the battery based on a scope of a predetermined area to be cleaned, and to charge, using the rated voltage, the battery based on the remaining capacity of the battery.

公开(公告)号：US09673666B2

公开(公告)日：2017-06-06

申请号：US14640908

申请日：2015-03-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Ho Ryu ,  Eun Seok Park ,  Sang Wook Kwon ,  Jung Hae Lee ,  Jae Hyun Park ,  Byung Chul Park

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J50/40 ,  H04B5/00 ,  H01F38/14 ,  H03H7/40 ,  H02J5/00

CPC classification number: H02J50/40 ,  H01F38/14 ,  H02J5/005 ,  H02J50/12 ,  H02J50/70 ,  H02J50/90 ,  H03H7/40 ,  H04B5/0037

Abstract: Provided is an apparatus that may control a direction of wireless power transmission. A radiative wireless power transmitter may include at least two first unit resonators to form a magnetic field with a target resonator based on an x-axis direction and a z-axis direction, and to transmit a resonance power to the target resonator, at least two second unit resonators to form a magnetic field with the target resonator based on the x-axis direction and a y-axis direction, and to transmit a resonance power to the target resonator, at least two third unit resonators to form a magnetic field with the target resonator based on the y-axis direction and the z-axis direction, and to transmit a resonance power to the target resonator, and a feeding unit to control resonance power transmission of the at least two first unit resonators, the at least two second unit resonators, and the at least two third unit resonators.

公开(公告)号：US09130515B2

公开(公告)日：2015-09-08

申请号：US13863466

申请日：2013-04-16

Applicant: Samsung Electronics Co., Ltd. ,  SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration

Inventor： Jin Sung Choi ,  Sang Wook Kwon ,  Ki Young Kim ,  Nam Yun Kim ,  Dong Zo Kim ,  Yun Kwon Park ,  Eun Seok Park ,  Keum Su Song ,  Young Ho Ryu ,  Chang Wook Yoon ,  Youngoo Yang

IPC: H03F3/68 ,  H03F3/24 ,  H03F1/56 ,  H03F3/21 ,  H03F3/60

CPC classification number: H03F3/245 ,  H03F1/565 ,  H03F3/211 ,  H03F3/602 ,  H03F2200/192 ,  H03F2200/198 ,  H03F2200/204 ,  H03F2203/21139

Abstract: An apparatus and a method for balanced power amplification are provided. An amplifier includes a splitter configured to split an input signal into a first input signal and a second input signal that include a 90° phase difference. The amplifier further includes a first power amplifier (PA) configured to amplify the first input signal to generate a first output signal. The amplifier further includes a second PA configured to amplify the second input signal to generate a second output signal. The amplifier further includes a combiner configured to combine the first output signal and the second output signal that include the 90° phase difference to generate an output signal.

Abstract translation: 提供了一种用于平衡功率放大的装置和方法。 放大器包括分配器，其被配置为将输入信号分成第一输入信号和包括90°相位差的第二输入信号。 放大器还包括被配置为放大第一输入信号以产生第一输出信号的第一功率放大器（PA）。 放大器还包括配置成放大第二输入信号以产生第二输出信号的第二PA。 放大器还包括组合器，其被配置为组合第一输出信号和包括90°相位差的第二输出信号以产生输出信号。

公开(公告)号：US20140021796A1

公开(公告)日：2014-01-23

申请号：US13938671

申请日：2013-07-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01F38/14

CPC classification number: H01F38/14 ,  H01F2021/125 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/90 ,  H02J2007/0096

Abstract: A wireless power transmitter includes a source resonator configured to wirelessly transmit power via magnetic coupling with a target resonator; and an impedance adjusting unit configured to adjust an impedance of the source resonator using a plurality of impedance-matching bars located in the source resonator.

Abstract translation: 无线电力发射机包括：源谐振器，被配置为通过与目标谐振器的磁耦合无线地传输电力; 以及阻抗调整单元，被配置为使用位于源极谐振器中的多个阻抗匹配条来调节源极谐振器的阻抗。