Electronics and Telecommunications Research Institute

Korea Advanced Institute of Science and Technology

Dongyang E&p Inc.

In Kui Cho

Jung Ick Moon

Je Hoon Yun

Seong-Min Kim

Sang-Won Kim

Dong Won Jang

Seong Min Kim

Jang Yeol Kim

Woo Jin Byun

Hyung Do Choi

Ho Jin Lee

Hyunjoon Lee

Jaewoo Lee

Seung Ho Ahn

Sang Bong Jeon

Duk Ju Ahn

Byung Chan Kim

Sang Pil Han

Gwangzeen Ko

Sang Won Kim

Myung Yung Jeong

Woo Cheon Park

Jung Hoon Oh

Seungyoung Ahn

Keun Byoung Yoon

Hyun Joon Lee

Woo Jin Lee

Jae Woo Lee

Min Soo Kang

Sang Hoon Cheon

Kwang Seon Kim

Soon Ik Jeon

Bong Su Kim

Jae Ho Lee

Hee Kyung Sung

Kibeom Kim

Seung Youl Kang

Byung Jang Jeong

Yong Hae Kim

Sang-Pil Han

Myung Lae Lee

Jong Hwa Kwon

Sung Jin Yoo

Choon Gi Choi

Sang Han Lee

Gyung Ock Kim

Jaeho Lee

Young-Gyu Yoon

Kwang Jae Lee

Jae-Byum Chang

Byeong Cheol Kim

Hyung Ju Kim

Jueun Sim

Seong Uk Baek

Woo Chul Lee

Dong Woo Cheon

Byoung In Lee

Woo Jin Byung

Chul Sik Kee

Seunghun Ryu

Jong Seup Lee

Saidul Alam Chowdhury

Shahid Ali Khan

Chan E Park

Disclosed are three-dimensional image registration via dense staining and a super-resolution multiplexed imaging method using the same. The three-dimensional image registration includes: placing at least one fiducial marker in an internal structure of a biological sample via dense staining; obtaining a plurality of images by repeatedly imaging the biological sample while replacing a fluorescent label attached to at least one target molecule within the biological sample where the fiducial marker is placed; and registering the images using the fiducial marker as a reference to obtain a final image of the target molecule.

3D image registration via dense staining and super-resolution multiplexed imaging method using the same

Provided is a wireless power reception apparatus. The wireless power reception apparatus includes a resonant circuit including a first path and a second path, the first path including a first capacitor and a first gate connected in series, and the second path being connected in parallel with the first path and including a second capacitor and a second gate connected in series and a reception coil connected to the resonant circuit, configured to wirelessly receive power based on a capacitance of the resonant circuit, and to generate power according to the wirelessly received power, wherein the resonant circuit is configured to determine a gate driving signal to operate the first gate and the second gate and wherein the capacitance of the resonant circuit is determined according to the gate driving signal.

Wireless power reception apparatus

Provided is a microstrip array antenna including a dielectric substrate, a feed line formed on a top surface of the dielectric substrate, a plurality of radiation elements formed on the top surface of the dielectric substrate and electrically connected to the feed line, and a ground surface formed on a bottom surface of the dielectric substrate. At least one radiation element among the plurality of radiation elements may have a bottleneck shape.

Microstrip array antenna

Disclosed are a method of radiating wave energy available for unmanned automatic operation and apparatuses for performing the same. The method includes obtaining a dielectric characteristic of a object by performing a reconstruction calculation based on a scattered signal that is scattered from the object and pre-measured information on the object, determining a wave radiation parameter for adjusting energy of a wave to be radiated to a lesion of the object by performing a characteristic analysis operation based on the dielectric characteristic, and determining the energy of the wave to be high-power energy based on the wave radiation parameter.

Method of radiating wave energy available for unmanned automatic operation and apparatuses for performing the same

The present disclosure relates to a reduction coil and an electromagnetic wave reduction apparatus including the reduction coil, and more particularly, an electromagnetic wave reduction apparatus including a reduction coil between a transmission coil and a reception coil to reduce, through the reduction coil, unnecessary electromagnetic waves generated in a process of transmitting electromagnetic waves generated by the transmission coil to the reception coil.

Reduction coil for wireless charging and electromagnetic wave reduction apparatus including reduction coil

An image processing-based foreign substance detection method in a wireless charging system and a device performing the method are disclosed. A method for detecting a foreign substance includes an operation of acquiring an image of a charging area of a wireless charging system, an operation of detecting, based on an RGB value of a frame of the image, a foreign substance in the charging area, an operation of discriminating a type of the foreign substance, and an operation of performing power control of the wireless charging system according to the type of the foreign substance.

Image processing-based foreign substance detection method in wireless charging system and device performing method

Provided is a robot charging apparatus to wirelessly charge a robot capable of walking, which includes a plurality of receiving coils fixed to legs of a robot and a transmitting coil moved and provided according to a position of the robot and wirelessly charges the robot in such a manner that the transmitting coil is provided between the plurality of receiving coils and coupled to the receiving coils by a magnetic field output from the transmitting coil.

Robot charging apparatus

An operation method of a first communication node may comprise: receiving one or more polarized radio signals transmitted from a second communication node included in the communication system through one or more receive polarized antennas included in the first communication node; performing a receive polarized antenna alignment state adjustment operation so that a detection result for a magnitude of an electric field excited by the one or more polarized radio signals is maximized; and receiving a first polarized signal transmitted from the second communication node through at least part of the one or more receive polarized antennas based on a result of the receive polarized antenna alignment state adjustment operation.

Method and apparatus for radio signal transmission and reception in communication system

A wireless power transmission resonator using a conducting wire with a vertical rectangular cross-section is disclosed. The wireless power transmission resonator may include a first element including a first element upper part arranged in an upper end of a resonator and a first element lower part arranged in a lower end of the resonator, wherein the first element upper part and the first element lower part each may include a spiral layer having a spiral structure that is wound to face a wide surface of a conducting wire including a vertical rectangular cross-section and a second element arranged in a center of the resonator and between the first element upper part and the first element lower part and including a spiral layer having a spiral structure that is wound to face the wide surface of the conducting wire including the vertical rectangular cross-section.

Wireless power transmission resonator using conducting wire with vertical rectangular cross-section

A method for calculating an altitude of a target through an apparatus for calculating an altitude of the target, which comprises a plurality of MIMO radar virtual antennas, may comprise: receiving electromagnetic waves reflected from the target through a pair of virtual antennas classified into an upper antenna and a lower antenna and alternately arranged in two columns linearly; obtaining range information and phase information of the target from the pair of virtual antennas by analyzing the electromagnetic waves; and calculating altitude information of the target from position information of the pair of virtual antennas, and the range information and the phase information.

Method and apparatus for calculating altitude of target

A radio frequency (RF) weak magnetic field detection sensor includes a ferromagnetic core, a pickup coil disposed to surround the ferromagnetic core, a substrate that includes an opening, a core pad connected to the ferromagnetic core and a coil pad connected to the pickup coil, and an insulating tube interposed between the ferromagnetic core and the pickup coil. The insulating tube includes a bobbin around which the pickup coil is wound, and a core hole formed to pass through the bobbin and configured to accommodate the ferromagnetic core.

Radio frequency weak magnetic field detection sensor and method of manufacturing the same

An apparatus and method for transmitting and receiving magnetic field signals in a magnetic field communication system are provided. The apparatus includes a controller configured to generate a communication signal, matching units that are configured to receive the communication signal and that respectively correspond to different matching frequencies, and loop antennas that are connected to the matching units, respectively, and that are configured to convert communication signals according to the different matching frequencies into magnetic transmission signals in the form of magnetic field energy and to transmit the magnetic transmission signals.

Apparatus and method for transmitting and receiving magnetic field signals in magnetic field communication system

Provided is a spiral coil and wireless power transmission and reception circuit including the spiral coil. The spiral coil includes a conducting wire forming one or more coil turns, and a height of one side of the conducting wire in a direction of a central portion of the spiral coil and a height of another side of the conducting wire in an opposite direction to the central portion of the spiral coil in each of the coil turns are different from each other and the conducting wire includes at least one slot formed by an empty space between the one side and the other side, and an upper surface positioned above the one side and the other side and connecting the one side and the other side.

Spiral coil and wireless power transmission and reception circuit including the same

An antenna device for magnetic field communication may include: a first coil; a second coil; a third coil; a first capacitor connected to a 1-1 terminal of the first coil; a second capacitor connected to a 2-1 terminal of the second coil; a third capacitor connected to a 3-1 terminal of the third coil; and an input port including a first input terminal connected to a 1-2 terminal of the first coil, a 2-2 terminal of the second coil, and a 3-2 terminal of the third coil, and a second input terminal connected to the first capacitor, the second capacitor, and the third capacitor.

Method and apparatus for magnetic field communication

An atomic magnetometer, which operates in a communication system using a magnetic signal in a very low frequency (VLF) band, may comprise: a vapor cell comprising one or more alkaline metal atoms; a pump light source configured to provide circularly polarized pump beams to the vapor cell; an irradiation light source configured to provide linearly polarized irradiation beams to the vapor cell; a magnetic signal detecting unit configured to detect a magnetic signal by measuring a polarization rotation angle from the linearly polarized irradiation beam passing through the vapor cell; and a bias magnetic field control unit configured to control a bias magnetic field applied to the vapor cell.

Atomic magnetometer and method of operating the same

Growing community of inventors

Daejeon, South Korea

In Kui Cho