公开(公告)号：US09742473B2

公开(公告)日：2017-08-22

申请号：US14708844

申请日：2015-05-11

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

CPC classification number: H04B5/0037 ,  H04B5/0031 ,  H04B5/0081

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：US09736853B2

公开(公告)日：2017-08-15

申请号：US14807401

申请日：2015-07-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04W72/04 ,  H04W72/08 ,  H04W52/34 ,  H04W24/08 ,  H02J5/00 ,  B60L11/18 ,  H04B5/00 ,  H02J7/02

CPC classification number: H04W72/085 ,  B60L11/182 ,  B60L11/1833 ,  B60L11/1846 ,  B60L2210/30 ,  B60L2210/40 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/70 ,  H04B5/0037 ,  H04B5/0081 ,  H04W24/08 ,  H04W52/346 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/7241 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/125 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/16 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S30/14

Abstract: A communication apparatus in a wireless power transmission system includes an operating mode converter configured to switch an operating mode of the communication apparatus between a transmitting mode and a receiving mode according to a predetermined timing; and a transmitting unit configured to transmit state information of a channel occupied by a source including the communication apparatus using a continuous wave signal while the communication apparatus is operating in the transmitting mode irrespective of whether the communication apparatus is performing communication via the occupied channel. The source including the communication apparatus is configured to transmit wireless power. The occupied channel has been assigned to the source including the communication apparatus from a plurality of channels available in a communication cell for assignment to a plurality of sources each configured to transmit wireless power.

公开(公告)号：US09712077B2

公开(公告)日：2017-07-18

申请号：US14326829

申请日：2014-07-09

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

Inventor： Dong Zo Kim ,  Sang Wook Kwon ,  Ki Young Kim ,  Bong Chul Kim ,  Young Jin Moon ,  Jae Hyun Park ,  Chang Sik Yoo ,  Byoung Hee Lee

IPC: H02H7/125 ,  H02M7/219

CPC classification number: H02M7/219 ,  H02M2007/2195 ,  Y02B70/1408

Abstract: A method of compensating for reverse current leakage in an active rectifier may include advancing an output of a comparator by a predetermined period of time by applying a predetermined offset voltage to a reference voltage input to the comparator, and activating a switch based on the output of the comparator. The method may also include deactivating the switch when a predetermined time delay elapses from a point in time at which the switch was activated.

公开(公告)号：US09647485B2

公开(公告)日：2017-05-09

申请号：US14847233

申请日：2015-09-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Nam Yun Kim ,  Sang Wook Kwon

IPC: H01M10/44 ,  H01M10/46 ,  H02J7/02 ,  H02J5/00 ,  H04B5/00 ,  H02J7/04

CPC classification number: H02J7/025 ,  H02J5/005 ,  H02J7/04 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H04B5/0037 ,  H04B5/0093

Abstract: A portable device is provided. The portable device includes a power receiving unit configured to receive a first energy or a second energy from a wireless power transmitter, the first energy being used to perform a communication function and a control function, the second energy being used to charge a battery, and the wireless power transmitter being configured to wirelessly transmit a power, a voltage generator configured to generate a wake-up voltage from the first energy, or to generate a voltage for charging the battery from the second energy, a controller configured to perform the communication function and the control function, the controller being activated by the wake-up voltage, and a communication unit configured to perform a communication with the wireless power transmitter based on a control of the controller.

公开(公告)号：US09601272B2

公开(公告)日：2017-03-21

申请号：US14339774

申请日：2014-07-24

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H01F38/14 ,  H02J5/00 ,  B60L11/18 ,  H02M7/06 ,  H04B5/00 ,  H02J7/02 ,  H01F6/06

CPC classification number: H02J50/12 ,  B60L11/182 ,  B60L11/1824 ,  B60L11/1846 ,  B60L11/1861 ,  B60L2210/10 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2230/16 ,  B60L2240/36 ,  H01F6/06 ,  H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J50/40 ,  H02J50/50 ,  H02J50/70 ,  H02M3/04 ,  H02M7/04 ,  H02M7/06 ,  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 ,  Y02T90/169 ,  Y04S30/14

Abstract: A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator.

公开(公告)号：US09543766B2

公开(公告)日：2017-01-10

申请号：US14967521

申请日：2015-12-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J5/00 ,  H02J17/00

CPC classification number: H02J50/40 ,  H02J7/025 ,  H02J7/027 ,  H02J17/00 ,  H02J50/12 ,  H02J50/80

Abstract: A resonance power transmission system, and a method of controlling transmission and reception of a resonance power are provided. According to one embodiment, a method of controlling resonance power transmission in a resonance power transmitter may include: transmitting resonance power to a resonance power receiver, the resonance power having resonance frequencies which vary with respect to a plurality of time intervals; and receiving, from the resonance power receiver, information regarding the resonance frequency having the highest power transmission efficiency among the resonance frequencies used in the time intervals.

Abstract translation: 提供谐振电力传输系统和控制谐振电力的发送和接收的方法。 根据一个实施例，一种控制谐振功率发射器中的谐振功率传输的方法可以包括：向谐振功率接收器发送谐振功率，谐振功率具有相对于多个时间间隔变化的谐振频率; 并且从所述谐振电力接收器接收关于在所述时间间隔中使用的谐振频率中具有最高功率传输效率的谐振频率的信息。

公开(公告)号：US09502923B2

公开(公告)日：2016-11-22

申请号：US14025516

申请日：2013-09-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Nam Yun Kim ,  Sang Wook Kwon ,  Ki Young Kim ,  Yun Kwon Park ,  Chi Hyung Ahn

IPC: H02J7/00 ,  H02J7/02 ,  H02J5/00

CPC classification number: H02J50/12 ,  H02J5/005 ,  H02J7/0029 ,  H02J7/007 ,  H02J7/025 ,  H02J50/80 ,  H02J50/90

Abstract: A wireless power transmission apparatus includes a measurer configured to measure a value of a current flowing in a source resonator, a communication unit configured to receive a value of a charging current of a battery from a wireless power reception apparatus, and a power controller configured to control an amount of power to be transmitted by the source resonator based on either one or both of the value of the current measured by the measurer and the value of the charging current received by the communication unit. The value of the charging current of the battery varies as the battery is charged.

Abstract translation: 无线电力传输装置包括：测量器，被配置为测量在源谐振器中流动的电流的值;通信单元，被配置为从无线电力接收装置接收电池的充电电流的值;以及功率控制器，被配置为 基于由测量器测量的电流的值中的一个或两个以及通信单元接收的充电电流的值来控制源谐振器发送的功率量。 电池的充电电流值随电池充电而变化。

公开(公告)号：US20160134130A1

公开(公告)日：2016-05-12

申请号：US14980886

申请日：2015-12-28

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION

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

IPC: H02J5/00

CPC classification number: H02J50/12 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/20

Abstract: A high efficiency variable power transmitting apparatus outputs a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF, amplifying the variable power to satisfy a requested power level of a target device based on a supply voltage having a predetermined level, converting an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, generating the supply voltage having the predetermined level based on the DC voltage, and providing the supply voltage having the predetermined level to the PA.

Abstract translation: 高效率可变动力传递装置通过使高频信号ON和OFF来调制相对于时间轴具有恒定振幅的高频信号来输出可变功率，以便将可变功率放大以满足所请求的功率电平 基于具有预定电平的电源电压的目标装置，将从电源接收的交流（AC）电压转换为直流（DC）电压，基于直流电压生成具有预定电平的电源电压;以及 向PA提供具有预定水平的电源电压。

公开(公告)号：US20150077051A1

公开(公告)日：2015-03-19

申请号：US14474853

申请日：2014-09-02

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H02J7/02 ,  H01F38/14

CPC classification number: H02J7/025 ,  H01F38/14 ,  H02J50/12 ,  H02J50/40 ,  H02J50/90

Abstract: A power transmitting unit (PTU) transmits a power wirelessly based on a location of a power receiving unit (PRU). The PTU determines whether the PRU is located within a charging area of the PTU based on frequency information corresponding to an inflection point detected on a curve of electrical characteristics of a resonator of the PTU.

Abstract translation: 电力发送单元（PTU）基于电力接收单元（PRU）的位置无线地发送电力。 PTU基于与PTU的谐振器的电特性的曲线上检测到的拐点相对应的频率信息来确定PRU是否位于PTU的充电区域内。

公开(公告)号：US20150042173A1

公开(公告)日：2015-02-12

申请号：US14452964

申请日：2014-08-06

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04B5/00 ,  H02J5/00 ,  H03H11/28 ,  H02J7/02 ,  H02M7/06 ,  H01F38/14 ,  B60L11/18

CPC classification number: H02J50/12 ,  B60L11/182 ,  B60L2210/10 ,  B60L2210/30 ,  H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/60 ,  H02J50/80 ,  H02M7/06 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T10/7216 ,  Y02T10/7241 ,  Y02T90/122 ,  Y02T90/127 ,  Y02T90/14 ,  Y02T90/16

Abstract: A wireless power transmission apparatus includes a communicator configured to receive information associated with a reference power of a wireless power reception apparatus and information associated with a power measured at an input terminal of a direct current-to-direct current (DC/DC) converter of the wireless power reception apparatus, a controller configured to control an output power based on the information associated with the reference power and the information associated with the power measured, and a source resonator configured to transmit the output power to the wireless power reception apparatus by resonating with a target resonator.

Abstract translation: 无线电力传输装置包括：通信器，被配置为接收与无线电力接收装置的参考功率相关联的信息，以及与在直流电直流（DC / DC）转换器的输入端测量的功率有关的信息; 所述无线电力接收装置，被配置为基于与所述参考功率相关联的信息和与所测量的功率相关联的信息来控制输出功率的控制器，以及被配置为通过谐振将所述输出功率发送到所述无线电力接收装置的源极谐振器 与目标谐振器。