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公开(公告)号：US10749378B2
公开(公告)日：2020-08-18
申请号：US15822758
申请日：2017-11-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jin Sung Choi , Sang Wook Kwon , Yun Kwon Park , Eun Seok Park , Young Tack Hong , Young Ho Ryu , Nam Yun Kim , Dong Zo Kim
Abstract: A resonance power transmission system for controlling a supply voltage of a power converter based on power transmission efficiency is provided. According to an aspect, a resonance power transmitter configured to transmit resonance power to one or more resonance power receivers may include: a voltage controller configured to receive an input signal and to output voltage of a predetermined level; a source controller configured to control a signal level of the DC voltage based the number of resonance power receivers.
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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
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.
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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
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.
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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
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.
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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
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.
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Patent Agency Ranking
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
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.
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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.
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8.发明授权Wireless power transmission system, and method of controlling transmission and reception of resonance power 有权无线电力传输系统，以及控制谐振电力传输和接收的方法公开(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
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。
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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
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。
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公开(公告)号：US09787105B2
公开(公告)日：2017-10-10
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
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.
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