公开(公告)号：US10686326B2

公开(公告)日：2020-06-16

申请号：US15778689

申请日：2016-11-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chong-Min Lee ,  Yu-Su Kim ,  Hyung-Koo Chung ,  Hyo-Seok Han

IPC: H02J7/02 ,  H02J50/12 ,  H02J50/40 ,  H02J50/70 ,  H05K1/02 ,  H05K3/46

Abstract: A wireless power receiver for wirelessly receiving power from a wireless power transmitter comprises: a power reception circuit receiving electromagnetic waves emitted from the wireless power receiver so as to output power having an alternating current waveform; a rectifier for rectifying the power, having an AC waveform, outputted from the power reception circuit into power having a direct current waveform; a DC/DC converter for converting, into a voltage of a preset level, a voltage of the power having a direct current waveform, the power being rectified by the rectifier; a charger for charging a battery by using the power having a DC waveform, converted from the DC/DC converter; an alternating current ground connected to the power reception circuit and/or the rectifier so as to receive at least a portion of the power having an alternating current waveform; and a direct current ground connected to the DC/DC converter and/or the charger so as to receive at least a portion of the power having a direct current waveform, wherein the alternating current ground and the direct current ground can be disposed on different PCB layers, respectively.

公开(公告)号：USRE49839E1

公开(公告)日：2024-02-13

申请号：US16854232

申请日：2020-04-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Kang-Ho Byun ,  Chong-Min Lee ,  Hee-Won Jung ,  Min-Cheol Ha ,  Seung-Woo Han

IPC: H02J50/00 ,  H02J50/12 ,  H02J50/80 ,  H02J50/60 ,  H02J7/00

CPC classification number: H02J50/12 ,  H02J50/60 ,  H02J50/80 ,  H02J7/0048

Abstract: A method of controlling a wireless power receiver. The method includes receiving, by a power receiver, power from a wireless power transmitter; receiving, from the wireless power transmitter, a time set value that is set for checking cross connection; in response to receiving the time set value, generating a power variation in the wireless power receiver by converting a load status from a first load status to a second load status; and maintaining the second load status for a time corresponding to the received time set value.

公开(公告)号：US11056787B2

公开(公告)日：2021-07-06

申请号：US16348635

申请日：2017-02-10

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  HONGIK UNIVERSITY INDUSTRY-ACADEMIA COOPERATION FOUNDATION

Inventor： Jae-Hyun Park ,  Jeong-Hae Lee ,  Young-Ho Ryu ,  Chang-Hyun Lee ,  Min-Seo Park ,  Sung-Bum Park ,  Kwi-Seob Um ,  Chong-Min Lee

IPC: H01Q1/38 ,  H01Q5/335 ,  H02J50/20 ,  H01Q1/24 ,  H01Q1/36 ,  H01Q13/08

Abstract: A hybrid antenna used for an electronic device is disclosed. A hybrid antenna comprises: a substrate comprising a first surface and a second surface and having an insulator; a first conductive member disposed on the first surface of the substrate and having a hole formed therein; a second conductive member disposed on a first area of the second surface of the substrate; and a third conductive member disposed on a second area of the second surface of the substrate and connected to a ground of an electronic device, wherein a first portion of the first conductive member operates as a first antenna for receiving a broadband signal and supplying power to the electronic device, and a second portion operates as a second antenna for receiving wireless power and supplying power to the electronic device, wherein a first power feeding unit is formed between the first antenna and second antenna.

公开(公告)号：US10771115B2

公开(公告)日：2020-09-08

申请号：US16656728

申请日：2019-10-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyung-Woo Lee ,  Jae-Hyuck Shin ,  Sang-Wook Lee ,  Chong-Min Lee ,  Hyo-Seok Han

IPC: H04B5/00 ,  H04W4/02 ,  H04W52/52 ,  H04W52/28 ,  H04W52/42 ,  H04B17/10 ,  H04B7/06 ,  H04B7/04 ,  H04W4/70

Abstract: According to an embodiment a wireless power transmitting device, includes a power transmission antenna including patch antennas to wirelessly transmit power, and communication antennas configured to receive a communication signal from an electronic device. The wireless power transmitting device also includes a processor configured to detect a direction in which the electronic device is positioned based on the communication signal received through the communication antennas and control the power transmission antenna to transmit the power in the detected direction.

公开(公告)号：US10374465B2

公开(公告)日：2019-08-06

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

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J50/20 ,  H02J50/40 ,  H01Q3/36 ,  H01Q9/04 ,  H01Q21/06 ,  H01Q3/28 ,  H02J50/90 ,  H02J50/23

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.

公开(公告)号：US20180006486A1

公开(公告)日：2018-01-04

申请号：US15704885

申请日：2017-09-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Kang-Ho Byun ,  Chong-Min Lee ,  Hee-Won Jung ,  Min-Cheol Ha ,  Seung-Woo HAN

IPC: H02J7/02 ,  H02J5/00 ,  H02J7/00

CPC classification number: H02J50/12 ,  H02J5/005 ,  H02J7/0047 ,  H02J7/025 ,  H02J50/40 ,  H02J50/80 ,  H02J2007/005

Abstract: A method of controlling a wireless power receiver. The method includes receiving, by a power receiver, power from a wireless power transmitter; receiving, from the wireless power transmitter, a time set value that is set for checking cross connection; in response to receiving the time set value, generating a power variation in the wireless power receiver by converting a load status from a first load status to a second load status; and maintaining the second load status for a time corresponding to the received time set value.

公开(公告)号：US11264840B2

公开(公告)日：2022-03-01

申请号：US16348002

申请日：2017-06-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jae-Hyun Park ,  Jae-Seok Park ,  Young-Ho Ryu ,  Sung-Ku Yeo ,  Chong-Min Lee

IPC: H02J7/00 ,  H02J50/20 ,  H02J50/40 ,  H02J7/02 ,  H02J5/00 ,  H02J50/23

Abstract: A wireless power transmission device radiating electromagnetic waves is disclosed. The wireless power transmission device can comprise: a first circuit board; a first conductive member mounted on a first surface of the first circuit board; a first ground member mounted on a second surface facing opposite from the first surface; and an electrical circuit disposed on a position, on the second surface of the first circuit board, which does not overlap the first ground member and for controlling the radiation of electromagnetic waves from the first circuit board.

公开(公告)号：US11183885B2

公开(公告)日：2021-11-23

申请号：US15590100

申请日：2017-05-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chong-Min Lee ,  Sung-Bum Park ,  Jae-Hyun Park ,  Young-Ho Ryu ,  Kyung-Woo Lee

IPC: H02J50/20 ,  H02J50/23 ,  H02J50/10 ,  H02J7/02 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90 ,  H01Q3/28 ,  H01Q3/36 ,  H01Q9/04 ,  H01Q21/06

Abstract: Disclosed are a wireless power transmission device and a control method thereof. The wireless power transmission device includes a communication circuit that receives information transmitted by an electronic device that receives wireless power; an array antenna including multiple cells that radiate wireless power; and a controller that receives the information transmitted by the electronic device through the communication circuit, combines cells of the multiple cells included in the array antenna based on the information and creates a group of cells corresponding to the electronic device, and controls the cells included in the group to radiate the wireless power towards the electronic device.

公开(公告)号：US10826332B2

公开(公告)日：2020-11-03

申请号：US16448898

申请日：2019-06-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung-Ku Yeo ,  Chong-Min Lee ,  Jae-Seok Park ,  Jae-Hyun Park ,  Kyung-Woo Lee ,  Hyo-Seok Han

IPC: H02J7/02 ,  H02J50/12 ,  H02J50/20 ,  H02J50/90 ,  H02J50/23 ,  H01Q3/28 ,  H02J50/80 ,  H01Q3/36 ,  H01Q9/04 ,  H01Q21/06 ,  H02J50/40

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.

公开(公告)号：US10236724B2

公开(公告)日：2019-03-19

申请号：US15704885

申请日：2017-09-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Kang-Ho Byun ,  Chong-Min Lee ,  Hee-Won Jung ,  Min-Cheol Ha ,  Seung-Woo Han

IPC: H02J50/00 ,  H02J50/12 ,  H02J50/80 ,  H02J5/00 ,  H02J50/40 ,  H02J7/02 ,  H02J7/00

Abstract: A method of controlling a wireless power receiver. The method includes receiving, by a power receiver, power from a wireless power transmitter; receiving, from the wireless power transmitter, a time set value that is set for checking cross connection; in response to receiving the time set value, generating a power variation in the wireless power receiver by converting a load status from a first load status to a second load status; and maintaining the second load status for a time corresponding to the received time set value.