Inventor

HYOUNG CHANG HEE

KR49 patents

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

HYOUNG CHANG HEE

KOREA ELECTRONICS TELECOMM

High-voltage CMOS charge pump

Dual antenna diversity transmitter and system with improved power amplifier efficiency

Pseudomorphic high electron mobility transistor power device

Communication apparatus having human body contact sensing function and method thereof

Switched coupler type digital phase shifter using quadrature generator

Powerless electronic notepad and powerless wireless transmission system using the same

Modulation and demodulation apparatus using frequency selective baseband and transmission and reception apparatus using the same

Apparatus and method for modulation and demodulation using frequency selective baseband

Digital communication system using frequency selective baseband and method thereof

ELECTRONICS & TELECOMMUNICATIONS RES INST

Channel adaptive human body communication system

Light-receiving device having electromagnetic interference removal function

Laser scanner

Electromagnetic wave evaluation apparatus with adjustable quality factor

Method for measurement of electromagnetic field, and system therefor

Probe antenna, probing system, and power density measuring method for measuring power density in near-field electromagnetic field

Energy harvesting device using electromagnetic interference signal and sensor system including the same

Apparatus and method for transmitting data using human body

Apparatus and method for controlling smart wear

LIM IN GI

Transmitter, receiver and method thereof in human body communication system

Apparatus and method for symbol error correctable modulation and demodulation using frequency selective baseband

Telematics system using human body communication, portable device having telematics function using human body communication, and method for providing telematics service using human body communication

Frequency selective modulating apparatus and method using re-spreading code

Frequency selective digital transmission apparatus

KIM SUNG-EUN

Sound transmission system

Chair and multimedia player comprising sound transmission apparatus performing human body communications

Human body sound transmission system and method for transmitting a plurality of signals

KANG TAE WOOK

Crime prevention system using human body communication and crime prevention method using human body communication

Receiver and method for receiving data in human body communication system using multiple receivers

Adaptive frequency selective baseband communications method using orthogonal codes

KIM YOUN-TAE

Transmitting and receiving electrode system and power transmission method using the same

Phased spreading scheme-based transmission apparatus and method of operating the same

Spreading code producing apparatus

HWANG JUNG-HWAN

Apparatus and method for controlling human body contact of ground electrode, and human body communication system using the same

Communication device and method using human body

HYOUNG CHANG-HEE

Human body communication method using multi-carrier modulation method

Communication apparatus having human body contact sensing function and method thereof

HWANG JUNG HWAN

Method and apparatus for communicating sound wave of human body

Human body sound transmission apparatus and method for minimizing signal loss

LIM IN-GI

Human body communication apparatus for non-contact communications and human body communication method for non-contact communications in the same using frequency selective baseband

System and method for human body communication using limited passband

HYOUNG CHANG HEE

Method and apparatus for amplitude modulation of spread signal

Communication apparatus using synchronized clock signal

KIM JIN-KYUNG

Communication apparatus

PARK KI-HYUK

Human body communication system and communication method thereof

PARK DUCK-GUN

Method and apparatus for providing touch and play (TAP)—based service and system using the method and apparatus

KIM JUNG BUM

Walking guidance apparatus using human body communication

CHOI BYOUNG GUN

Electronic apparatus having control function using human body communication and portable terminal having electronic apparatus control function using human body communication

KIM JIN KYUNG

TDD communication apparatus and operation method thereof

PARK HYUNG IL

Frequency modulating apparatus and transmitting apparatus including the same, and frequency demodulating apparatus and receiving apparatus including the same