公开(公告)号：US20190140482A1

公开(公告)日：2019-05-09

申请号：US15911264

申请日：2018-03-05

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jung Ick MOON ,  Sang-Won KIM ,  Seong-Min KIM ,  In Kui CHO ,  Je Hoon YUN ,  Dong Won JANG

IPC: H02J50/12 ,  H02J50/40 ,  H02J3/01

Abstract: Provided is a wireless power reception apparatus for wirelessly receiving power from a wireless power transmission apparatus, the wireless power reception apparatus including a reception coil configured to receive power by a harmonic with an n*f0 frequency that is generated through electromagnetic induction with the wireless power transmission apparatus; a matching circuit configured to transfer the harmonic with the n*f0 frequency to a harmonic generator; the harmonic generator configured to generate at least one harmonic with an m*n*f0 frequency by applying a multiplication factor m to the transferred harmonic with the n*f0 frequency; a filter configured to filter the harmonic with the m*n*f0 frequency; and a harmonic transmission coil configured to transmit the filtered harmonic with the m*n*f0 frequency to the wireless power transmission apparatus, and to attenuate the harmonic with the n*f0 frequency that is generated from the wireless power transmission apparatus.

公开(公告)号：US20140203655A1

公开(公告)日：2014-07-24

申请号：US13943380

申请日：2013-07-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： Seong-Min KIM ,  Jung Ick MOON ,  In Kui CHO ,  Woo Jin BYUN

IPC: H01F38/14

CPC classification number: H02J50/12 ,  H02J17/00

Abstract: A method includes matching a basic mode frequency signal and a higher order mode frequency signal to a multi-band frequency signal with respect to a signal in the form of the square wave, transferring the matched basic mode frequency signal and higher order mode frequency signal simultaneously to a multi-resonance reception resonator, converting output impedance of the basic mode frequency and the higher order mode frequency which are received through the reception resonator into a conjugate value of input impedance of the basic mode frequency and the higher order mode frequency of a receiver, and converting the converted multi-band frequency signal into an electric power that is required in a load and transferring the electric power to the load.

Abstract translation: 一种方法包括将基本模式频率信号和较高阶模式频率信号相对于以方波形式的信号相对于多频带频率信号进行匹配，同时传送匹配的基本模式频率信号和高阶模式频率信号 将多个共振接收谐振器转换为通过接收谐振器接收的基本模式频率和高阶模式频率的输出阻抗成为接收机的基本模式频率和高阶模式频率的输入阻抗的共轭值 并将转换的多频带频率信号转换成负载所需的电力并将电力传送到负载。

公开(公告)号：US20130320760A1

公开(公告)日：2013-12-05

申请号：US13681636

申请日：2012-11-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Seong-Min KIM ,  In-Kui CHO ,  Jung-Ick MOON ,  Je-Hoon YUN ,  Sang-Hoon CHEON ,  Yong-Hae KIM ,  Myung-Lae LEE ,  Seung-Youl KANG ,  Woo-Jin BYUN

IPC: H02J17/00

CPC classification number: H02J50/12 ,  H02J17/00 ,  H02J50/00 ,  H02J50/40 ,  H02J50/80 ,  Y10T307/25 ,  Y10T307/297

Abstract: Disclosed are an apparatus and a method for transmitting/receiving wireless energy in an energy transmission system. The apparatus includes: a transmitting controller configured to generate a wireless energy signal; a transmitting resonance body port configured to transmit the wireless energy signal; and a transmitting resonance body configured to transmit the wireless energy signal transmitted through the transmitting resonance body port to receiving apparatuses, wherein the transmitting controller transmits impedance control signals for controlling impedance of each of the receiving resonance body ports of the plurality of receiving apparatuses.

Abstract translation: 公开了一种在能量传输系统中发送/接收无线能量的装置和方法。 该装置包括：发送控制器，被配置为产生无线能量信号; 发送谐振体端口，被配置为发送无线能量信号; 以及发送谐振体，被配置为将通过发送谐振体端口发送的无线能量信号发送到接收装置，其中发送控制器发送用于控制多个接收装置中的每个接收谐振体端口的阻抗的阻抗控制信号。

公开(公告)号：US20240322601A1

公开(公告)日：2024-09-26

申请号：US18611412

申请日：2024-03-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Gwangzeen KO ,  Sang-Won KIM ,  Seong-Min KIM ,  Jung Ick MOON ,  In Kui CHO

IPC: H02J50/12 ,  H02J50/40

CPC classification number: H02J50/12 ,  H02J50/40

Abstract: A wireless power transmitter that changes an operation frequency and an operation method of the same are provided. The operation method includes controlling the wireless power transmitter to operate at a first operation frequency included in an operation frequency set, changing an operation frequency of the wireless power transmitter from the first operation frequency to a second operation frequency that is different from an operation frequency of a second wireless power transmitter that is adjacent to the wireless power transmitter for every channel duration, and controlling the wireless power transmitter to operate at the second operation frequency.

公开(公告)号：US20230387722A1

公开(公告)日：2023-11-30

申请号：US18095697

申请日：2023-01-11

Applicant: Electronics and Telecommunications Research Institute

Inventor： Sang-Won KIM ,  Gwangzeen KO ,  Seong-Min KIM ,  Jung Ick MOON ,  Je Hoon YUN ,  In Kui CHO ,  Saidul Alam Chowdhury ,  Shahid Ali Khan ,  Duk Ju AHN

IPC: H02J50/12

CPC classification number: H02J50/12

Abstract: Provided is a wireless power reception apparatus. The wireless power reception apparatus includes a resonant circuit including a first path and a second path, the first path including a first capacitor and a first gate connected in series, and the second path being connected in parallel with the first path and including a second capacitor and a second gate connected in series and a reception coil connected to the resonant circuit, configured to wirelessly receive power based on a capacitance of the resonant circuit, and to generate power according to the wirelessly received power, wherein the resonant circuit is configured to determine a gate driving signal to operate the first gate and the second gate and wherein the capacitance of the resonant circuit is determined according to the gate driving signal.

公开(公告)号：US20230317356A1

公开(公告)日：2023-10-05

申请号：US18078577

申请日：2022-12-09

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jung Ick MOON ,  Gwangzeen KO ,  Sang-Won KIM ,  Seong-Min KIM ,  In Kui CHO

IPC: H01F27/28 ,  H02J50/10 ,  H02J50/00 ,  H01F27/06

CPC classification number: H01F27/2823 ,  H02J50/10 ,  H02J50/005 ,  H01F27/06

Abstract: Provided is a spiral coil and wireless power transmission and reception circuit including the spiral coil. The spiral coil includes a conducting wire forming one or more coil turns, and a height of one side of the conducting wire in a direction of a central portion of the spiral coil and a height of another side of the conducting wire in an opposite direction to the central portion of the spiral coil in each of the coil turns are different from each other and the conducting wire includes at least one slot formed by an empty space between the one side and the other side, and an upper surface positioned above the one side and the other side and connecting the one side and the other side.

公开(公告)号：US20210249179A1

公开(公告)日：2021-08-12

申请号：US17054267

申请日：2019-05-10

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jung Ick MOON ,  In Kui CHO ,  Sang-Won KIM ,  Seong-Min KIM ,  Ho Jin LEE ,  Je Hoon YUN ,  Dong Won JANG

IPC: H01F27/28

Abstract: A low-loss spiral coil includes a conducting wire wound N turns of which a width of each of wires corresponding to each of sections of the conducting wire is determined by setting an entire width of the conducting wire to be a width of M sections of the conducting wire, and then determining the width of each of the wires such that a resistance of the spiral coil formed based on the width of the M sections is minimized.

公开(公告)号：US20190131823A1

公开(公告)日：2019-05-02

申请号：US15986463

申请日：2018-05-22

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dukju AHN ,  Sang-Won KIM ,  Seong-Min KIM ,  Jung Ick MOON ,  In Kui CHO

IPC: H02J50/12 ,  H02M7/217

Abstract: Disclosed is a wireless power receiving apparatus controlling an output voltage. The wireless power receiving apparatus may include a first rectifier to which a first coil receiving power from a wireless power transmitting apparatus and a first capacitor are connected, a second rectifier to which a second coil receiving power from the wireless power transmitting apparatus and a second capacitor are connected, a first switch connected to one end of the first rectifier, and a second switch and a third switch connected to both ends of the second rectifier, in which the first rectifier and the second rectifier are connected in parallel, and an operation mode of the wireless power receiving apparatus may be determined based on whether the first switch, the second switch, and the third switch are turned on or off.

公开(公告)号：US20140125433A1

公开(公告)日：2014-05-08

申请号：US13912294

申请日：2013-06-07

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jung Ick MOON ,  In Kui CHO ,  Seong-Min KIM ,  Je Hoon YUN ,  Woo Jin BYUN

IPC: H01P7/10

CPC classification number: H01P7/10 ,  H01P1/20318 ,  H01P7/065

Abstract: A resonator structure for a wireless power transfer system Includes resonators, which are to transfer wireless power, and a dielectric substance, which includes at least one exposure region formed on the dielectric substance to fix the resonators in a covered shape and to selectively expose parts of the resonators.

Abstract translation: 一种用于无线电力传输系统的谐振器结构包括传输无线电力的谐振器和包括形成在电介质物质上的至少一个曝光区域以将谐振器固定为覆盖形状并且选择性地暴露部分 谐振器。

公开(公告)号：US20130229064A1

公开(公告)日：2013-09-05

申请号：US13773873

申请日：2013-02-22

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jung Ick MOON ,  In Kui CHO ,  Seong-Min KIM ,  Je Hoon YUN ,  Woo Jin BYUN

IPC: H04B5/00

CPC classification number: H02J50/00 ,  H02J17/00 ,  H02J50/12 ,  H04B5/0037 ,  H04B5/0087

Abstract: Disclosed is an apparatus for harvesting leakage energy. The apparatus for harvesting leakage energy includes: an energy harvesting unit configured to harvest energy leaked while energy radiated from a transmitting unit of an energy transmitting apparatus is transmitted to a receiving unit of an energy receiving apparatus; and a harvesting circuit module configured to supply energy harvested by the energy harvesting unit to a load. In accordance with the embodiment of the present invention, energy efficiency of overall system can be increased by harvesting the leakage energy without affecting performance of a wireless power transmission system.

Abstract translation: 公开了一种用于收获泄漏能量的装置。 用于收集泄漏能量的装置包括：能量收集单元，被配置为收集从能量发射装置的发射单元辐射的能量被发射到能量接收装置的接收单元的泄露的能量; 以及收集电路模块，其被配置为将能量收集单元收集的能量提供给负载。 根据本发明的实施例，可以通过收集泄漏能量而不影响无线电力传输系统的性能来提高整个系统的能量效率。