Samsung Electronics Co., Ltd.

Industry-University Cooperation Foundation Hanyang University

Korea Advanced Institute of Science and Technology

Sungkyunkwan University

Lclink Co., Ltd.

Snu Rdb Foundation

Hongik University Industry-Academia Cooperation Foundation

Sang Wook Kwon

Nam Yun Kim

Yun Kwon Park

Young Ho Ryu

Ki Young Kim

Dong Zo Kim

Eun Seok Park

Young Tack Hong

Jin Sung Choi

Chang Wook Yoon

Chi Hyung Ahn

Keum Su Song

Jae Hyun Park

Bong Chul Kim

Byoung Hee Lee

Byung Chul Park

Young-tack Hong

Hyuk Choon Kwon

Chang Sik Yoo

Young Jin Moon

Jung Hae Lee

Soo Yeon Jung

Jeong Hae Lee

Jin Sung Chol

Ki Jun Kim

Chang Ho Lee

Chan Soo Hwang

Gun Woo Moon

Yong Seong Roh

Shin Young Cho

Sang Cheol Moon

Jong Won Yu

Wang Sang Lee

Young Goo Yang

June Hwang

Jong Min Park

Jae Hoon Choi

In Sang Song

Hyeong Seok Jang

Seong Joong Kim

Hyun Jeong Kang

Youngoo Yang

Keumsu Song

Sang Wook Nam

Jong Hyung Kwun

Hee Won Jung

Jun Seok Lee

Yoon Goo Kim

Suk Won Kim

Ju Hui Kim

Dal Hoi Shim

Sang Gyu Ha

Chi Hyung An

Kyung Young Jung

Che Heung Kim

Bong Chui Kim

Young-Tack Hong

Kim Dong Zo Zo

A wireless power transmission apparatus includes a source resonator configured to transmit an output power from which a harmonic component has been cancelled to a wireless power reception apparatus by resonating with a target resonator of the wireless power transmission apparatus, and a resonant power generator configured to differentially input a first input signal and a second input signal to the source resonator, and cancel the harmonic component of the output power.

Method and apparatus for wireless power transmission with harmonic noise cancellation

A wireless power transmission apparatus includes resonators configured to transmit a power wirelessly to another resonator, and a controller configured to control a current magnitude and/or a voltage magnitude of a power to be provided to each of the resonators. The apparatus further includes a feeder configured to provide the power to each of the resonators.

Wireless power transmission apparatus and wireless power transmission method

An electronic device and method for transmitting and receiving a wireless power are provided. An electronic device for transmitting and receiving wireless power may include a resonator configured to operate, based on a plurality of operating modes of the electronic device including a power reception mode, a relay mode, and a power transmission mode, wherein: (i) in the power reception mode, the resonator is configured to receive power from a wireless power transmitter, (ii) in the relay mode, the resonator is configured to relay power received from the wireless power transmitter to a wireless power receiver, and (iii) in the power transmission mode, the resonator is configured to transmit power to the wireless power receiver; and a path controller configured to control at least one electrical pathway of electronic device based on the operating mode.

Electronic device and method for transmitting and receiving wireless power

A wireless power transmitter for wirelessly transmitting power is provided. The wireless power transmitter includes four cells configured to wirelessly transmit power to a wireless power receiver; a power source configured to provide power to one of the four cells; and a connection unit configured to connect the four cells to each other, wherein the connection unit is further configured to connect the four cells in a cross configuration.

Magnetic field adjusting three-dimensional flexible resonator for wireless power transmission system

A portable device is provided. The portable device includes a power receiving unit configured to receive a first energy or a second energy from a wireless power transmitter, the first energy being used to perform a communication function and a control function, the second energy being used to charge a battery, and the wireless power transmitter being configured to wirelessly transmit a power, a voltage generator configured to generate a wake-up voltage from the first energy, or to generate a voltage for charging the battery from the second energy, a controller configured to perform the communication function and the control function, the controller being activated by the wake-up voltage, and a communication unit configured to perform a communication with the wireless power transmitter based on a control of the controller.

Portable device and apparatus for wirelessly charging the portable device from energy transmitted by a transmitter

A resonance power transmission system for controlling a supply voltage of a power converter based on power transmission efficiency is provided. According to an aspect, a resonance power transmitter configured to transmit resonance power to one or more resonance power receivers may include: a voltage controller configured to receive an input signal and to output voltage of a predetermined level; a source controller configured to control a signal level of the DC voltage based the number of resonance power receivers.

Resonance power transmission system based on power transmission efficiency

A stereoscopic flexible resonator is provided. The stereoscopic flexible stereoscopic resonator includes at least one cell, at least one resonator including a capacitor, and a connection unit configured to connect the cell and the resonator in a stereoscopic structure.

Provided are a wireless power transmission control method and wireless power transmission control apparatuses. The wireless power transmission control method may include transmitting a wake-up request signal used to wake up a target device, and receiving a response message from the target device activated by the wake-up request signal. A source device may set a demand power based on the response message, and may transmit a resonance power to the target device based on the demand power.

Method and apparatus for controlling wireless power transmission

A method of communicating with a User Equipment (UE) through a multipath transmission control protocol is provided. The method includes receiving information, by a first node, on a packet requested by the UE and information on a buffer state of the UE from the UE, exchanging, by the first node, information on a packet to be transmitted/received to/from each of one or more second nodes, determining, by the first node, a combination of packets which maximizes a coding gain and throughput of the UE and a transmission sequence by using the exchanged information on the packet, and transmitting, by the first node, packets to the UE according to the determined combination of the packets and the transmission sequence.

Method and apparatus for applying nested network cording in multipath protocol

A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator.

Wireless power transmission system and wireless power relay apparatus

A wireless power transmission apparatus for tracking a charging capacity of each of a plurality of wireless power reception apparatuses in an environment in which the plurality of wireless power reception apparatuses are charged includes a communication unit configured to receive information about either one or both of a charging support power and a requested power from each of the plurality of wireless power reception apparatuses, a controller configured to determine a charging capacity for a wireless power reception apparatus supporting the charging support power among the plurality of wireless power reception apparatuses based on the information about the charging support power, and a power tracker configured to re-track the determined charging capacity based on charging status information received from the plurality of wireless power reception apparatuses.

Wireless power transmission apparatus and method

A wireless power transmission system, and a method for controlling wireless power transmission and wireless power reception are provided. According to an aspect, a method for controlling a wireless power transmission may include: detecting a plurality of target devices used to wirelessly receive power; selecting a source resonating unit from among a plurality of source resonating units, based on the amount of power to be transmitted to one or more of the plurality of target devices, a coupling factor associated with one or more of the plurality of target devices, or both; and wirelessly transmitting power to a target device using the selected source resonating unit.

Wireless power transmission system, and method for controlling wireless power transmission and wireless power reception

A method and an apparatus for controlling wireless power transmission are provided. An apparatus for controlling wireless power transmission includes a controller configured to determine an output voltage of a power factor correction unit based on charging information of a battery, the power factor correction unit configured to correct an input voltage into the determined output voltage, and output a variable voltage, and a resonance unit configured to transmit power converted from the variable voltage to a wireless power reception apparatus.

A source device and a method for controlling a magnetic field using two source resonators in a wireless power transmission system are provided. A device configured to control a magnetic field, includes resonators configured to form the magnetic field to transmit power to another device. The device further includes a magnetic field shape determining unit configured to determine a shape of the magnetic field. The device further includes a phase changing unit configured to change a phase of at least one of the resonators to form the magnetic field in the determined shape.

Source device and method for controlling magnetic field using two source resonators in wireless power transmission system

Growing community of inventors

Seongnam-si, South Korea

Sang Wook Kwon