Inventor · disambiguated record
Sang-Jung Ra
Also filed as: RA SANG JUNG
8 granted patents·5 pending applications·10 citations·filing 2006–2020
77Inventor score
Top patents by PatentIndex Score
13 records- 0176US9059886B1Method for transmitting data using variable guard interval and apparatus thereofKOREA ELECTRONICS TELECOMM·Filed 2014·Granted Jun 16, 2015·4 cites·11 claims
- 0271US7504884B2Automatic gain control apparatus of cable modem, and lock-time acquisition method using the sameKOREA ELECTRONICS TELECOMM·Filed 2006·Granted Mar 17, 2009·5 cites·8 claims
- 0366US9027071B2Method and apparatus for inserting broadcast program by detecting available channel over hybrid fiber coax network or optical cable networkKOREA ELECTRONICS TELECOMM·Filed 2013·Granted May 5, 2015·1 cites·17 claims
- 0449US9154293B2Method and apparatus for compensating for variable symbol timing using cyclic prefix in non-synchronized OFDM systemKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Oct 6, 2015·0 cites·10 claims
- 0548US2015139339A1Broadcast transmitting apparatus and methodKOREA ELECTRONICS TELECOMM·Filed 2014·Application pending·0 cites
- 0647US10110275B2Frequency offset estimation and compensation methodELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Oct 23, 2018·0 cites·10 claims
- 0746US10425906B2Apparatus and method for detecting upstream RF signals based on preamble, and apparatus for cable broadcasting using the sameELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Sep 24, 2019·0 cites·15 claims
- 0846US10193687B2Method for acquiring synchronization, and PHY transmitter and PHY receiver for cable networkELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Jan 29, 2019·0 cites·16 claims
- 0944US11190333B2Apparatus and method for estimating synchronization of broadcast signal in time domainELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2020·Granted Nov 30, 2021·0 cites·20 claims
- 1040US2013129021A1Automatic gain controlling device, orthogonal frequency division multiplexing (ofdm) receiver employing high-order quadrature amplitude modulation (qam) and using automatic gain controlling device, and manufacturing method of automatic gain controlling deviceLEE JAE HO·Filed 2012·Application pending·0 cites
- 1137US2017279648A1Apparatus and method for reducing peak to average power ratio (papr) in layer division multiplexing (ldm) systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Application pending·0 cites
- 1237US2011154393A1Iptv set-top box and channel switching method thereofKOREA ELECTRONICS TELECOMM·Filed 2010·Application pending·0 cites
- 1336US2017048094A1Channel equalization apparatus and method based on pilot signals for docsis down stream systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Sang-Jung Ra files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →