Inventor

CHOI JAE-ICK

KR39 patents

⚠️ This page may combine multiple inventors who share the name “CHOI JAE-ICK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHOI JAE-ICK

KOREA ELECTRONICS TELECOMM

Structure of vehicular active antenna system of mobile and satellite tracking method with the system

Optimal control method for adaptive feedforward linear amplifier

Microstrip patch antenna and array antenna using superstrate

Apparatus and method for automatic selection of broadband frequency channel using double frequency conversion

Wireless communication method and apparatus based on channel function

Method for designing multiband antenna using genetic algorithm device linked to full electromagnetic wave analyzing device

Antenna having metamaterial superstrate and providing gain improvement and beamforming together

Broadband slot antenna and slot array antenna using the same

Mobile phone having reduced specific absorption rate (SAR) using an antenna housed to ensure enhanced antenna gain

Multi-band internal antenna of symmetry structure having stub

Electronic active phase control array antenna, method for compensating for direction differences at the antenna, and satellite tracking system and method using the antenna

Apparatus and method for avoiding interference between access points

Apparatus and method for modulation classification in wireless communication system

Signal transmitting/receiving apparatus and method for controlling polarization

Tunable magnetic field amplifying device

Horn antenna system having a strip line feeding structure

Metamaterial transmission line apparatus and method of implementing the same

Spectrum sensing method and spectrum sensing device

Carrier aggregation apparatus for efficiently utilizing frequency resource of license band and shareable bands, and operation method thereof

ELECTRONICS & TELECOMMUNICATIONS RES INST

Communication method using interference alignment in wireless LAN

Communication method using interference alignment in wireless LAN

Communication method using interference alignment in wireless LAN

Data frame structure and operation method for sharing unlicensed spectrum in wireless communication system and apparatus thereof

Wireless communication apparatus for reducing interference with neighboring cell and method of reducing interference thereof

Method and system for performing initial ranging in cognitive radio network

Methods and an apparatus for carrier aggregation

Contactless cardiopulmonary signal estimation method and apparatus

EOM SOON YOUNG

Wireless communication method and apparatus using adaptive transmission polarization control

Dual polarization antenna and method for transmitting and receiving signal using the same

SIM DONG-UK

Dipole tag antenna structure mountable on metallic objects using artificial magnetic conductor for wireless identification and wireless identification system using the dipole tag antenna structure

Tag antenna structure for wireless identification and wireless identification system using the tag antenna structure

KIM DONG-HO

Frequency selective surface structure for filtering of single frequency band

Band-pass filter based on CRLH resonator and duplexer using the same

LEE WANGJOO

Method and apparatus for detecting or transmitting magnetic field using detachable magnetic resonator

EOM SOON-YOUNG

Antenna system having adaptive polarization control

JU JEONGHO

Small antenna using SRR structure in wireless communication system and method for manufacturing the same

LEE WANG-JOO

Projecting type hyper-lens and method of manufacturing the same

JEON SOON-IK

Image reconstruction apparatus and method for reconstructing image of microwave tomography thereof