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公开(公告)号：US20180316225A1
公开(公告)日：2018-11-01
申请号：US15965274
申请日：2018-04-27
Inventor： Sung-Ku YEO , Sang-Yun KIM , Jae-Seok PARK , Young-Ho RYU , Kang-Yoon LEE , Hamed ABBASIZADEH , Sang-Wook KWON , Thi Kim Nga TRUONG , Dong-In KIM , Sung-Bum PARK , Dong-Soo LEE
Abstract: An electronic device is provided. The electronic device includes a receiving circuit configured to wirelessly receive power and output AC power, a rectifying circuit configured to rectify the AC power from the receiving circuit, wherein the rectifying circuit may include a first P-MOSFET configured to transfer a positive amplitude of power to an output terminal of the rectifying circuit while the AC power has the positive amplitude and to prevent transferring a negative amplitude of power to the output terminal of the rectifying circuit while the AC power has the negative amplitude, and a forward loss compensating circuit connected with the first P-MOSFET configured to reduce a threshold voltage of the first P-MOSFET while the AC power has the positive amplitude.
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公开(公告)号：US20180269725A1
公开(公告)日：2018-09-20
申请号：US15762867
申请日：2016-09-12
Applicant: Samsung Electronics Co., Ltd. , KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
Inventor： Sung-Ku YEO , Hyun-Jun AHN , Yun-Seong EO , Sung-Bum PARK
Abstract: A wireless power transmitter may comprise: a signal generation unit which generates a differential signal; an amplifier which amplifies the differential signal with a predetermined gain; a resonance unit which generates an electromagnetic wave using the amplified differential signal and radiates the same; and a signal adjustment unit which senses at least one of the current and the voltage of the amplified differential signal at the input terminal of the resonance unit, and adjusts at least one of the phase and the amplitude of the differential signal output from the signal generation unit, on the basis of the result of the sensing.
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公开(公告)号：US20170133889A1
公开(公告)日：2017-05-11
申请号：US15346857
申请日：2016-11-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung-Ku YEO , Dong-Zo KIM , Bong-Chul KIM , Yu-Su KIM
Abstract: An electronic device according to various embodiments of the present disclosure includes a power supply configured to supply DC power, a controller configured to determine a wireless power transmission mode or a wireless power reception mode if at least one electronic device is detected, and output a control signal indicating a wireless power transmission frequency supported by the detected electronic device from among a plurality of wireless power transmission frequencies if the wireless power transmission mode is determined, a conversion circuit configured to output the DC power supplied from the power supply as AC power in response to the control signal output from the controller and a wireless power transceiver configured to transmit the AC power supplied.
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公开(公告)号：US20160172869A1
公开(公告)日：2016-06-16
申请号：US14965421
申请日：2015-12-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung-Bum PARK , Do-Won KIM , Young-Ho RYU , Dong-Zo KIM , Jae-Hyun PARK , Keum-Su SONG , Sung-Ku YEO
IPC: H02J5/00
Abstract: A wireless power receiver is disclosed. A wireless power receiver according to various embodiments of the present disclosure includes a resonant reception unit configured to receive wireless power by a resonance scheme; an inductive reception unit configured to receive wireless power by an induction scheme; and a power processing unit configured to process wireless power received at the resonant reception unit and the inductive reception unit. When the wireless power is received by the induction scheme, a current flowing in the inductive reception unit is greater than a current flowing in the resonant reception unit, and when the wireless power is received by the resonance scheme, a current flowing in the resonant reception unit is greater than a current flowing in the inductive reception unit.
Abstract translation: 公开了一种无线电力接收机。 根据本公开的各种实施例的无线电力接收器包括：谐振接收单元，被配置为通过谐振方案来接收无线电力; 感应接收单元，被配置为通过感应方案来接收无线电力; 以及功率处理单元，被配置为处理在所述谐振接收单元和所述感应接收单元处接收到的无线电力。 当通过感应方式接收到无线电力时，在感应接收单元中流动的电流大于在谐振接收单元中流动的电流，并且当谐振方案接收到无线电力时，在谐振接收中流动的电流 单元大于在感应接收单元中流动的电流。
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公开(公告)号：US20130099588A1
公开(公告)日：2013-04-25
申请号：US13656142
申请日：2012-10-19
Inventor： Sung-Ku YEO , Gyu-Hyeong Cho , Se-Ki Kim , Yu-Su Kim , Se-Ho Park , Jun-Han Choi
IPC: H02J17/00
CPC classification number: H02J50/12 , H02J7/025 , H02J50/10 , H02J50/80 , H02M7/2176
Abstract: A wireless power receiver for wirelessly receiving power from a wireless power supplier includes a power receiver for receiving wireless power from the wireless power supplier and storing the wireless power for a first time period, a rectifier connected to the power receiver for rectifying the wireless power, a power adjuster connected to the rectifier and an output end, for adjusting a magnitude of the wireless power by enabling the power receiver to store the wireless power for the first time period and delivering the wireless power to the output end for a second time period, and a controller for determining the first and second time periods.
Abstract translation: 用于从无线电力供应器无线接收电力的无线电力接收器包括：电力接收器，用于从无线电力供应器接收无线电力并且在第一时间段内存储无线电力，整流器连接到电力接收器以整流无线电力; 连接到整流器的电力调节器和输出端，用于通过使得电力接收器能够在第一时间段内存储无线电力并将无线电力传送到输出端第二时间段来调整无线功率的大小， 以及用于确定第一和第二时间段的控制器。
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Patent Agency Ranking
公开(公告)号：US20210376664A1
公开(公告)日：2021-12-02
申请号：US16753406
申请日：2018-10-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jae-Seok PARK , Chong-Min LEE , Sung-Ku YEO , Jae-Hyuck SHIN , Young-Ho RYU
Abstract: A wireless power transmission apparatus includes patch antennas which form an RF wave; a memory storing electromagnetic wave distribution maps corresponding to transmission conditions for transmitting the RF wave; and a processor configured to determine a position of an electronic device and a position of a living body, determine a transmission condition which transmits the RF wave which causes an electromagnetic wave having a size not exceeding a first threshold value to be applied to a position of the living body while being beam-formed at a position of the electronic device, using at least a portion of the electromagnetic wave distribution maps, and generate the RF wave with the determined transmission condition using the patch antennas, each electromagnetic wave distribution map indicating the size of electromagnetic waves at one or more points around the wireless power transmission apparatus when the RF wave is formed by each of the transmission conditions.
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27.发明申请公开(公告)号：US20200259371A1
公开(公告)日：2020-08-13
申请号：US16859383
申请日：2020-04-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kang-Ho BYUN , Kyung-Woo LEE , Young-Min LEE , Se-Ho PARK , Yu-Su KIM , Sung-Ku YEO
Abstract: A method and power transmitter for efficiently controlling power transmission to one or more power receivers in a wireless multi-power transmission system are provided. The method includes performing, when a predetermined measurement cycle arrives, a load measurement; comparing a current load measurement value with a previous load measurement value; determining whether the current load measurement value is increased over the previous load measurement value by at least as much as a first predetermined threshold; gradually increasing, when the load measurement value is increased over the previous load measurement value by at least as much as the first threshold, a transmission power value until a request for a subscription to a wireless multi-power transmission network from a power reception target within a predetermined time limit; and stopping, when the request for the subscription is not received before the time limit is exceeded, power transmission to the power reception target.
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28.发明申请公开(公告)号：US20190081513A1
公开(公告)日：2019-03-14
申请号：US16184506
申请日：2018-11-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kang-Ho BYUN , Kyung-Woo LEE , Young-Min LEE , Se-Ho PARK , Yu-Su KIM , Sung-Ku YEO
CPC classification number: H02J50/12 , B60L53/12 , H02J5/005 , H02J7/025 , H02J17/00 , H02J50/40 , H02J50/60 , H02J50/80 , H04B5/0037
Abstract: A method and power transmitter for efficiently controlling power transmission to one or more power receivers in a wireless multi-power transmission system are provided. The method includes performing, when a predetermined measurement cycle arrives, a load measurement; comparing a current load measurement value with a previous load measurement value; determining whether the current load measurement value is increased over the previous load measurement value by at least as much as a first predetermined threshold; gradually increasing, when the load measurement value is increased over the previous load measurement value by at least as much as the first threshold, a transmission power value until a request for a subscription to a wireless multi-power transmission network from a power reception target within a predetermined time limit; and stopping, when the request for the subscription is not received before the time limit is exceeded, power transmission to the power reception target.
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公开(公告)号：US20170331330A1
公开(公告)日：2017-11-16
申请号：US15593832
申请日：2017-05-12
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sung-Ku YEO , Chong-Min LEE , Jae-Seok PARK , Jae-Hyun PARK , Kyung-Woo LEE , Hyo-Seok HAN
CPC classification number: H02J50/20 , H01Q3/28 , H01Q3/36 , H01Q9/0407 , H01Q21/065 , H02J50/23 , H02J50/40 , H02J50/90
Abstract: A wireless power transmitting device is provided. The wireless power transmitting device includes a patch antenna, and a transmission/reception processing circuit configured to output a first signal to the patch antenna during a first period, and process a second signal output from the patch antenna during a second period, wherein the patch antenna is configured to transmit a transmission wave using the first signal, and output the second signal to the transmission/reception processing circuit using a reception wave.
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30.发明申请公开(公告)号：US20170317534A1
公开(公告)日：2017-11-02
申请号：US15654316
申请日：2017-07-19
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kang-Ho BYUN , Kyung-Woo LEE , Young-Min LEE , Se-Ho PARK , Yu-Su KIM , Sung-Ku YEO
CPC classification number: H02J50/12 , B60L11/182 , H02J5/005 , H02J7/025 , H02J17/00 , H02J50/40 , H02J50/60 , H02J50/80 , H04B5/0037
Abstract: A method and power transmitter for efficiently controlling power transmission to one or more power receivers in a wireless multi-power transmission system are provided. The method includes performing, when a predetermined measurement cycle arrives, a load measurement; comparing a current load measurement value with a previous load measurement value; determining whether the current load measurement value is increased over the previous load measurement value by at least as much as a first predetermined threshold; gradually increasing, when the load measurement value is increased over the previous load measurement value by at least as much as the first threshold, a transmission power value until a request for a subscription to a wireless multi-power transmission network from a power reception target within a predetermined time limit; and stopping, when the request for the subscription is not received before the time limit is exceeded, power transmission to the power reception target.
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