Inventor
JANG SEUNG HYUN
KR20 patents
⚠️ This page may combine multiple inventors who share the name “JANG SEUNG HYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
8 patentsUS7821349B2Oct 26, 2010
Cascode amplifier and differential cascode voltage-controlled oscillator using the same
KOREA ELECTRONICS TELECOMM26 citations92
US8050554B2Nov 1, 2011
Fault localization apparatus for optical line using subcarrier multiplexing (SCM) monitoring signal and method thereof
KOREA ELECTRONICS TELECOMM8 citations84
US7515830B2Apr 7, 2009
Optical communication apparatus by using subcarrier multiple access and method thereof
KOREA ELECTRONICS TELECOMM8 citations84
US7489868B2Feb 10, 2009
Apparatus for measuring optical beat interference noise in subcarrier multiple access optical network
KOREA ELECTRONICS TELECOMM7 citations74
US9014281B2Apr 21, 2015
Delta-sigma modulator and transmitter including the same
KOREA ELECTRONICS TELECOMM3 citations63
US7453380B2Nov 18, 2008
Apparatus and method for processing analog signals and outputting digitally converted analog signals using serial bus
KOREA ELECTRONICS TELECOMM2 citations63
US7421206B2Sep 2, 2008
Optical transceiver for transmitting light source control information and optical network using the same
KOREA ELECTRONICS TELECOMM3 citations63
US7720381B2May 18, 2010
Optical transmission apparatus and optical access network for wavelength-division multiplexing optical network with both sub-carrier multiplex and sub-carrier multiple access schemes
KOREA ELECTRONICS TELECOMM2 citations58
ELECTRONICS & TELECOMMUNICATIONS RES INST
7 patentsUS11205998B2Dec 21, 2021
Amplifier for reusing current by using transformer and method thereof
ELECTRONICS & TELECOMMUNICATIONS RES INST21 citations93
US10547478B2Jan 28, 2020
Method for signal modulation based on pulse density modulation and apparatus therefor
ELECTRONICS & TELECOMMUNICATIONS RES INST2 citations71
US9749051B2Aug 29, 2017
Central office device, remote site device, and communication method thoseof
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations52
US12348338B2Jul 1, 2025
Reconfigurable circuit for differential network including cross-coupled switch
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations50
US12335069B2Jun 17, 2025
Differential transmission line having high isolation and configuration method thereof
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations50
US9729108B2Aug 8, 2017
Apparatus and method for adjusting envelope signal delay in envelope-tracking power amplifier
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations49
US10033562B2Jul 24, 2018
Apparatus for envelope delay control in an envelope-tracking power amplifier
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations41