Samsung Electronics Co., Ltd.

Industry-University Cooperation Foundation Hanyang University

Sungkyunkwan University

Korea Advanced Institute of Science and Technology

Hongik University Industry-Academia Cooperation Foundation

Young Ho Ryu

Sang Wook Kwon

Nam Yun Kim

Yun Kwon Park

Ki Young Kim

Dong Zo Kim

Eun Seok Park

Young Tack Hong

Jin Sung Choi

Chang Wook Yoon

Keum Su Song

Chi Hyung Ahn

Jae Hyun Park

Bong Chul Kim

Byoung Hee Lee

Byung Chul Park

Young-tack Hong

Jung Hae Lee

Mikhail Nikolaevich Makurin

Chang Sik Yoo

Nikolay Nikolayevich Olyunin

Vladimir Yakovlevich Arkhipenkov

Alexander Gennadyevich Chernokalov

Young Jin Moon

Jeong Hae Lee

Jin Sung Chol

Ki Jun Kim

Chong Min Lee

Jong Won Yu

Sung Bum Park

Wang Sang Lee

Young Goo Yang

Sung Ku Yeo

Tae Hun Kim

Jae Hoon Choi

Myong Soo Cho

Hyeong Seok Jang

Youngoo Yang

Keumsu Song

Young Chul Shin

Yong Seong Roh

Sung Joon Kim

Jun Seok Lee

Min Wook Choi

Dong Myung Shin

Sang Gyu Ha

Ju Hui Kim

Kyung Young Jung

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 according to various embodiments may comprise a plurality of patch antennas, a communication circuit, and a processor. The processor may be configured to perform a control to form an RF wave of a first beam width via the plurality of patch antennas, receive, from an electronic apparatus, via the communication circuit, sensing data for at least one of a movement of the electronic apparatus or an orientation of the electronic apparatus, and adjust a beam width of the RF wave formed by the plurality of patch antennas from the first beam width to a second beam width at least on the basis of the received sensing data.

Wireless power transmission apparatus, electronic apparatus for receiving power wirelessly and operation method thereof

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

A wireless power transmission apparatus according to various embodiments may comprise a plurality of patch antennas, a communication circuit, and a processor. The processor can be configured to perform a control to form an RF wave of a first beam width via the plurality of patch antennas, receive, from an electronic apparatus, via the communication circuit, sensing data for at least one of a movement of the electronic apparatus or an orientation of the electronic apparatus, and adjust a beam width of the RF wave formed by the plurality of patch antennas from the first beam width to a second beam width at least on the basis of the received sensing data.

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 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 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 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

A resonant apparatus in a wireless power transmission system, includes a main resonant unit configured to form magnetic resonant coupling between the resonant apparatus and a resonator. The resonant apparatus further includes a field guiding resonant unit configured to focus a magnetic field on an internal portion of the main resonant unit, and a field additive resonant unit configured to adjust a magnitude of a magnetic field formed between the main resonant unit and the field guiding resonant unit.

Apparatus and method for resonance in wireless power transmission system

Growing community of inventors

Yongin-si, South Korea

Young Ho Ryu