公开(公告)号：US20190081518A1

公开(公告)日：2019-03-14

申请号：US16184604

申请日：2018-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK ,  Jeongkyo SEO ,  Seonghun LEE ,  Bongsik KWAK ,  Jaesung LEE

IPC: H02J50/80 ,  H02J50/12 ,  H02J7/02 ,  H04L1/00 ,  H04L27/10 ,  H04B5/00 ,  H02J5/00 ,  H04L1/18 ,  H04L5/14

Abstract: A communication method of a wireless power transmitter for transferring power in a wireless manner, includes allocating a slot among a plurality of slots to a first wireless power receiver, the slot being allocated to the first wireless power receiver for acquiring information of the first wireless power receiver while wireless power is transferred to the first wireless power receiver; transferring the wireless power to the first wireless power receiver by the wireless power transmitter; detecting a second wireless power receiver by the wireless power transmitter during the wireless power transfer to the first wireless power receiver; and generating a collision related signal based on a frequency shift keying (FSK) such that a collision resolution mechanism is executed by each of the first and second wireless power receivers respectively when first information generated by the first wireless power and second information generated by the second wireless power are in a collision within a first unallocated slot among the plurality of slots, the first information and the second information being generated based on a load modulation.

公开(公告)号：US20180219422A1

公开(公告)日：2018-08-02

申请号：US15735454

申请日：2016-02-18

Applicant: LG ELECTRONICS INC.

Inventor： Seonghun LEE

IPC: H02J50/12 ,  H01F38/14 ,  H01F27/28 ,  H02J50/80 ,  H02J50/70

CPC classification number: H02J50/12 ,  H01F1/34 ,  H01F27/006 ,  H01F27/255 ,  H01F27/2823 ,  H01F27/2871 ,  H01F27/306 ,  H01F38/14 ,  H02J50/70 ,  H02J50/80

Abstract: An embodiment of the present invention relates to a coil assembly for a wireless power transmitter, comprising: a single coil, which comprises a wire, and which has a circular hole formed therein; and a plurality of shielding members (ferrites) coupled to the single coil, wherein the outer diameter of the single coil may be approximately equal to or larger than about 185 mm and equal to or less than 195 mm, and the inner diameter of the single coil may be approximately equal to or larger than 75 mm and equal to or less than 85 mm.

公开(公告)号：US20160233728A1

公开(公告)日：2016-08-11

申请号：US15024243

申请日：2014-12-01

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK ,  Jeongkyo SEO ,  Seonghun LEE ,  Bongsik KWAK ,  Jaesung LEE

IPC: H02J50/80 ,  H04L5/00 ,  H04W72/04 ,  H02J50/12 ,  H02J7/02

CPC classification number: H02J50/80 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H04B5/0031 ,  H04B5/0037 ,  H04B5/0081 ,  H04L1/00 ,  H04L1/1854 ,  H04L5/14 ,  H04L27/10

Abstract: The present invention relates to a wireless power transmission method, a wireless power transmission apparatus, and a wireless charging system in a wireless power transmission field, and the wireless power transmission method may include receiving first information of a first wireless power receiver and second information of a second wireless power receiver that receive power in a wireless manner within a first slot among a plurality of slots, transmitting a NAK (not-acknowledge) signal to the first and the second wireless power receiver and executing a collision resolution mechanism in the first and the second wireless power receiver.

Abstract translation: 无线电力传输方法技术领域本发明涉及无线电力传输方法，无线电力传输装置和无线充电系统，无线电力传输方法可以包括：接收第一无线电力接收机的第一信息和第二信息 第二无线电力接收器，其以多个时隙中的第一时隙内的无线方式接收电力，向所述第一和第二无线电力接收器发送NAK（未确认）信号，并在所述第一和第二无线电力接收器中执行冲突解决机制， 第二个无线电力接收机。

公开(公告)号：US20140361739A1

公开(公告)日：2014-12-11

申请号：US14301032

申请日：2014-06-10

Applicant: LG ELECTRONICS INC.

Inventor： Bongsik KWAK ,  Jeongkyo SEO ,  Seonghun LEE

IPC: H02J5/00 ,  H02J7/02

CPC classification number: H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H04B5/0037 ,  H04B5/0075 ,  H04B5/0087 ,  H04B5/0093

Abstract: The present disclosure relates to a wireless power transmitter, a wireless power receiver and a wireless charging system in a wireless power transfer field. A wireless power transmitter disclosed herein includes a first coil configured to transfer a wireless power signal to a wireless power receiver, a second coil having a wire wound to transfer power to the wireless power receiver in a wireless manner, and a controller configured to control operations of the first and second coils, wherein the first coil is provided with a wire wound along an edge of a shape of the second coil.

Abstract translation: 本公开涉及无线电力传输领域中的无线电力发射机，无线电力接收机和无线充电系统。 本文公开的无线电力发射器包括被配置为将无线电力信号传送到无线电力接收器的第一线圈，具有绕线的第二线圈，以无线方式将功率传送到无线电力接收器;以及控制器，被配置为控制操作 的第一和第二线圈，其中所述第一线圈设置有沿着所述第二线圈的形状的边缘缠绕的线。