Inventor

HONG SONG CHEOL

KR26 patents

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

HONG SONG CHEOL

KOREA ADVANCED INST SCI & TECH

Optical coupler sensor with movable optical waveguide

Quadrature radar apparatus

Calibration circuit for calibrating phases and gains between channels in multi-channel beamforming system, multi-channel beamforming system including the same and channel calibration method using the same

Beam-forming circuit for 5G mobile communication and radar

Optical coupler 2×2 optical switch and method for optical switching therewith

Variable gain phase shifter

Varactor diode controllable by surface layout design

Variable gain phase shifter

Circuit for controlling waveform distortion at a control terminal of a radio frequency transistor

SAMSUNG ELECTRO MECH

Power amplifier

Asymmetric power divider

Power amplifier

Adaptive bias circuit and power amplifier

Multi-mode power amplifier

Common gate amplifier circuit and power amplifier using the same

Power amplifier

SAMSUNG ELECTRONICS CO LTD

Small-sized on-chip CMOS power amplifier having improved efficiency

Radar system using quadrature signal

Wireless electric power transmitter

Radar system having single circularly polarized antenna

Apparatus for compensating for distortion of transmitter array in radio communication system and method for controlling the same

YU HYUN KYU

Digital RF converter, digital RF modulator and transmitter including the same

TELEPHUS INC

Method for manufacturing hetero junction bipolar transistor

ELECTRONICS & TELECOMMUNICATIONS RES INST

Reconfigurable power amplifier capable of selecting wide band frequency and method for selecting wide band frequency

KOO BON HOON

Power amplifier

SON KI YONG

Power amplifier