公开(公告)号：US10170926B2

公开(公告)日：2019-01-01

申请号：US15221148

申请日：2016-07-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Hee-Won Jung

IPC: H02J7/00 ,  H01F27/42 ,  H01F37/00 ,  H02J7/02 ,  H02J50/80 ,  H02J50/12 ,  H02J7/04 ,  H04B5/00 ,  H02J50/40

Abstract: A method for transmitting wireless power in a wireless charging system is provided and includes receiving at least one of information on an available maximum temperature and maximum voltage value information of a back end of a rectification unit from at least one wireless power receiving unit (PRU) from among a plurality of PRUs, receiving at least one of information on a current temperature and current voltage value information of the back end of the rectification unit from each of the plurality of PRUs, and determining a dominant PRU among the plurality of PRUs based on the at least one of information.

公开(公告)号：US10084344B2

公开(公告)日：2018-09-25

申请号：US14608990

申请日：2015-01-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Kang-Ho Byun ,  Hee-Won Jung

IPC: H02J7/00 ,  H02J50/12 ,  H02J7/02 ,  H04B5/00 ,  H02J50/00 ,  H02J50/80 ,  H02J50/40

CPC classification number: H02J50/12 ,  H02J7/025 ,  H02J50/00 ,  H02J50/40 ,  H02J50/80 ,  H04B5/0037 ,  H04B5/0075

Abstract: A control method of a wireless power transmitter for transmitting charging power to a wireless power receiver is provided. The control method includes receiving setting information from the wireless power receiver, determining a load variation of the wireless power receiver for a set time period, and determining that the wireless power receiver is a charging target, if the load variation of the wireless power matches the received setting information.

公开(公告)号：US10056946B2

公开(公告)日：2018-08-21

申请号：US15474506

申请日：2017-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: H04B5/0037 ,  H04B5/0031 ,  H04B7/04 ,  H04B7/0617 ,  H04B17/101 ,  H04B17/102 ,  H04W4/026 ,  H04W4/70 ,  H04W52/283 ,  H04W52/42 ,  H04W52/52

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：US10038344B2

公开(公告)日：2018-07-31

申请号：US15370671

申请日：2016-12-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Hyuk-Choon Kwon ,  Kang-Ho Byun ,  Hee-Won Jung

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

CPC classification number: H02J50/40 ,  H02J7/025 ,  H02J50/12 ,  H02J50/80

Abstract: A control method of a wireless power receiving unit receiving charging power from a wireless power transmitting unit to perform wireless charging is provided. The control method includes receiving the charging power from the wireless power transmitting unit; detecting a change in a wireless charging environment; generating a message notifying of the change in the wireless charging environment; and transmitting the message notifying of the change in the wireless charging environment to the wireless power transmitting unit.

公开(公告)号：US10033228B2

公开(公告)日：2018-07-24

申请号：US15278887

申请日：2016-09-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Kang-Ho Byun ,  Ho-Seong Lee ,  Hee-Won Jung

IPC: H01M10/44 ,  H01M10/46 ,  H02J50/12 ,  H02J50/60 ,  H02J50/80 ,  H02J7/02 ,  H04B5/00 ,  H02J7/00 ,  H02J5/00

Abstract: Methods and apparatuses for performing wireless charging are disclosed. One of the disclosed apparatuses is a wireless power transmitter which can receive charging power from a wireless power transmitter. When the wireless power transmitter detects a transition from a Stand Alone (SA) mode to a Non Stand Alone (NSA) mode, it generates a message that includes address information used to re-connect with the wireless power transmitter and transmits the message to the wireless power transmitter.

公开(公告)号：US09979439B2

公开(公告)日：2018-05-22

申请号：US14058916

申请日：2013-10-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyuk-Choon Kwon ,  Kyung-Woo Lee ,  Kang-Ho Byun ,  Hee-Won Jung

IPC: H01F38/00 ,  H04B5/00 ,  H02J50/40 ,  H02J50/12 ,  H02J50/80 ,  H02J50/60 ,  H02J7/02 ,  H02J50/10 ,  H02J5/00 ,  H02J7/04

CPC classification number: H04B5/0037 ,  H02J5/005 ,  H02J7/02 ,  H02J7/025 ,  H02J7/045 ,  H02J7/047 ,  H02J50/10 ,  H02J50/12 ,  H02J50/40 ,  H02J50/60 ,  H02J50/80 ,  H04B5/0031 ,  H04B5/0081

Abstract: An apparatus and a method are provided for efficiently transmitting emergency information in a wireless charging network. The method includes receiving wireless charging power from a wireless power transmitter; detecting an occurrence of an emergency situation; generating an emergency signal including information of the emergency situation; and transmitting the generated emergency signal to the wireless power transmitter.

公开(公告)号：US20170373523A1

公开(公告)日：2017-12-28

申请号：US15682095

申请日：2017-08-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyuk-Choon KWON ,  Ho-Dong Kim ,  Kyung-Woo Lee ,  Kang-Ho Byun ,  Hee-Won Jung

IPC: H02J7/02 ,  H02J50/10 ,  H02J5/00 ,  H02J50/80 ,  H02J7/00 ,  H02J50/40 ,  H02J50/60

CPC classification number: H02J7/025 ,  H02J5/005 ,  H02J7/0011 ,  H02J50/10 ,  H02J50/12 ,  H02J50/40 ,  H02J50/60 ,  H02J50/80 ,  H02J2007/0001 ,  H02J2007/0096

Abstract: An apparatus and method are provided for permitting a wireless power receiver to be charged by a wireless power transmitter. The method includes generating a Power Receiving Unit (PRU) control signal including permission information indicating charging permission for the wireless power receiver; and transmitting the PRU control signal to the wireless power receiver.

公开(公告)号：US09853459B2

公开(公告)日：2017-12-26

申请号：US14704467

申请日：2015-05-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Se-Ho Park ,  Young-Min Lee ,  Kyung-Woo Lee ,  Kang-Ho Byun

IPC: H02J5/00

CPC classification number: H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H04B5/0037

Abstract: A method and apparatus are provided for controlling power in a wireless power transmission/reception system. The method includes receiving power information from a receiver entering a charging area; determining whether power can be supplied to the receiver, based on the power information; and if the power can be supplied to the receiver, transmitting, to the receiver, a response indicating that the power can be supplied to the receiver.

公开(公告)号：US09819212B2

公开(公告)日：2017-11-14

申请号：US14626500

申请日：2015-02-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung-Woo Lee ,  Chong-Min Lee ,  Hee-Won Jung ,  Keum-Su Song

IPC: H02J17/00 ,  H02J7/02 ,  G01R21/133 ,  H02J7/00 ,  H02J50/10 ,  H02J50/80 ,  G01R19/165

Abstract: A method for detecting a load in wireless charging is provided. The method includes storing predetermined transmission signal waveform information, transmitting a signal according to the predetermined transmission signal waveform information, detecting a waveform change in the transmitted signal, and determining whether a device exists based on the detected waveform change.

公开(公告)号：US09806554B2

公开(公告)日：2017-10-31

申请号：US14297251

申请日：2014-06-05

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: H02J7/00 ,  H02J7/02 ,  H02J5/00

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

Abstract: A method for generating a load variation for detecting a wireless power receiving unit in wireless charging is provided. The method includes maintaining a switch connected to a dummy load in an ON state by the wireless power receiving unit, receiving wireless power from a wireless power transmitting unit, and, upon receiving the wireless power, switching the switch connected to the dummy load to an OFF state.