Inventor

CHOI DONG-JOON

KR49 patents

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

CHOI DONG-JOON

ELECTRONICS & TELECOMMUNICATIONS RES INST

Signal-multiplexing apparatus and method based on machine learning

Apparatus and method for soft-decision demodulating in non-square quadrature amplitude modulation

Method for broadcast gateway signaling using cloud network and apparatus for the same

Method and apparatus for signal configuration and method for signal transmission

Hybrid download method and apparatus for multiview streaming, and multiview streaming system

Method and apparatus for channel access in communication system supporting unlicensed band

Apparatus and method for transmitting and receiving 4-layer layered-division multiplexing signal

Modulation and demodulation method in layer-division multiplexing system, and receiver thereof

Apparatus of synchronization for DOCSIS upstream signal transmission through optical IP network and method of the same

Apparatus and method for detecting broadcast signal

Method and apparatus for processing adaptive multi-view streaming

Method and apparatus for cell broadcasting service using broadcast network

Synchronization apparatus and method for upstream system

Apparatus and method for IP based transmission of upstream RF signal in cable broadcasting network

Method and apparatus for receiving adaptive media streaming and adaptive media streaming system

Apparatus and method for channel bonding-based multi-antenna signal transmission in broadcasting system

Method and apparatus for transmitting/receiving digital broadcast

Apparatus and method for providing offloading service

Apparatus and method for cancelling self-interference signal

Roll-off period detecting method, symbol starting point detecting method, fractional frequency offset estimating method, and OFDM downstream system thereof

Method for providing ad-hoc broadcast service based on channel sharing and apparatus for the same

Method for acquiring synchronization, and PHY transmitter and PHY receiver for cable network

Frequency offset estimation and compensation method

Apparatus and method for detecting upstream RF signals based on preamble, and apparatus for cable broadcasting using the same

KOREA ELECTRONICS TELECOMM

Apparatus and method for transmitting hierarchically multimedia data TS to prevent jitter of timing information and for recovering the multimedia data TS

Method for transmitting data using variable guard interval and apparatus thereof

Apparatus for transmitting/receiving communication and broadcasting data using multiplexing at transmission convergence layer

Method and system for transmitting broadcast and data stream and method and apparatus for converting broadcast and data stream in HFC-based cable network

Method for classifying downstream packet in cable modem termination system at head-end supporting channel bonding mode, and cable modem termination system

Method and apparatus for IP data transmission using legacy transmission system and broadband downstream transmission system in HFC network

Apparatus and method for transmitting and receiving broadcasting

Demultiplexing apparatus, multiplexing apparatus, and multi-channel transmission and reception method using the same

Apparatus and method for multimedia data transmission and reception in cable network using broadband and physical layer frame structure

Method and apparatus for compensating for variable symbol timing using cyclic prefix in non-synchronized OFDM system

Method and apparatus for inserting broadcast program by detecting available channel over hybrid fiber coax network or optical cable network

LG ELECTRONICS INC

Attachable/detachable keyboard apparatus of portable computer system

Docking station for a portable computer

Keyboard with draining unit and notebook computer having the keyboard

Portable computer system and assembling method thereof

Portable computer of multifunction type

Track ball input device

JUNG JOON YOUNG

Method and apparatus for transmitting and receiving UHD broadcasting service in digital broadcasting system

KIM YE YONG

Cooling system

LEE HO-SOOK

Method and apparatus of downstream service flows classification for headend cable modem

YOU WOONGSHIK

Transmission apparatus and transmission method for subscriber network in cable network

LEE JAE-HO

Apparatus and method for receiving data in communication system

HAHM YOUNG KWON

Method and apparatus for transmitting data in cable network

KOO HAN SEUNG

Apparatus and method for fast load balancing bandwidth allocation based on binary search

KOO HAN-SEUNG

Method and apparatus for remotely installing and updating different security clients for broadcasting or communication channels