Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Industry-university Cooperation Foundation Hanyang University

Sungkyunkwan University

Lclink Co., Ltd.

Samsung Medison Co., Ltd.

Nam Yun Kim

Sang Wook Kwon

Yun Kwon Park

Young Ho Ryu

Dong Zo Kim

Eun Seok Park

Young Tack Hong

Ki Young Kim

Jin Sung Choi

Chang Wook Yoon

Chi Hyung Ahn

Keum Su Song

Bong Chul Kim

Jae Hyun Park

Byoung Hee Lee

Hyuk Choon Kwon

Young-tack Hong

Chang Sik Yoo

Young Jin Moon

Byung Chul Park

Soo Yeon Jung

Jin Sung Chol

Chang Ho Lee

Gun Woo Moon

Shin Young Cho

Yong Seong Roh

Sang Cheol Moon

Jeong Hae Lee

Jong Won Yu

Jung Hae Lee

Wang Sang Lee

Young Goo Yang

Hyeong Seok Jang

Seong Joong Kim

Youngoo Yang

Keumsu Song

Kyeong Gu Woo

Hee Won Jung

Sim Gwan Jeong

Chi Hyung An

Wan Ki Kim

Sang Wook Kown

Jong-Moon Kim

Dai Un Park

Dal Hoi Shim

The present disclosure relates to an ultrasonic imaging apparatus that has a tolerance for easy assembly and reduces shaking and noise by reducing the tolerance after assembly. The ultrasonic imaging apparatus includes a main body, a probe connected to the main body to irradiate and receive ultrasonic waves and to transmit the ultrasonic signals to the main body, a control panel configured to control the main body or the probe, and a moving device configured to connect the control panel and the main body and to move the control panel with respect to the main body in the upward and downward directions, wherein the moving device includes a housing fixed to the main body, a moving member configured to be movable with respect to the housing in the upward and downward directions, and a regulating bearing installed in the housing and configured to assist the upward and downward movement of the moving member by coming into rolling contact with the moving member and to regulate a gap with the moving member.

Ultrasound imaging apparatus

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 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

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 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

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

A wireless power transmission method and a wireless power transmitter are provided that may selectively transmit wireless power to a plurality of target devices. According to an aspect, a wireless power transmitter may include: a detecting unit configured to detect a plurality of target devices; a controller configured to determine a plurality of resonance frequencies between a source resonator and the plurality of detected target devices and to control the plurality of resonance frequencies to transmit the power to the plurality of detected target devices; and a source resonance unit configured to transmit the power to the plurality of detected target devices.

Wireless power transmission and reception system

Growing community of inventors

Seoul, South Korea

Nam Yun Kim