Inventor · disambiguated record
Chieteuk Ahn
Also filed as: AHN CHIETEUK
55 granted patents·22 pending applications·572 citations·filing 1998–2025
98Inventor score
Files withKOREA ELECTRONICS TELECOMM31ELECTRONICS & TELECOMMUNICATIONS RES INST16KIM SUNG HOON3PARK SUNG-IK2YOO JAE-HYOUN2
Top patents by PatentIndex Score
77 records- 0197US11430458B2Unified speech/audio codec (USAC) processing windows sequence based mode switchingELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2020·Granted Aug 30, 2022·4 cites·17 claims
- 0296US7779327B2Dual stream structure digital television transmission and receiving method using hybrid of E-8VSB, E-4VSB and P2VSBKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Aug 17, 2010·36 cites·28 claims
- 0395US9384748B2Unified Speech/Audio Codec (USAC) processing windows sequence based mode switchingKOREA ELECTRONICS TELECOMM·Filed 2015·Granted Jul 5, 2016·15 cites·13 claims
- 0493US10002619B2Unified speech/audio codec (USAC) processing windows sequence based mode switchingELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Jun 19, 2018·9 cites·10 claims
- 0592US8483269B2System and method for transmitting/receiving three dimensional video based on digital broadcastingKIM SUNG-HOON·Filed 2006·Granted Jul 9, 2013·18 cites·16 claims
- 0692US7856590B2Digital television transmitter and receiver for using 16 state trellis codingKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Dec 21, 2010·29 cites·24 claims
- 0792US7136415B2Method and apparatus for multiplexing multi-view three-dimensional moving pictureKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Nov 14, 2006·71 cites·10 claims
- 0891US10622001B2Unified speech/audio codec (USAC) windows sequence based mode switchingELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted Apr 14, 2020·6 cites·13 claims
- 0990US7653143B2Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust dataKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Jan 26, 2010·69 cites·45 claims
- 1090US7564905B2System and method for providing terrestrial digital broadcasting service using single frequency networkKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Jul 21, 2009·37 cites·8 claims
- 1187US8954321B1Unified speech/audio codec (USAC) processing windows sequence based mode switchingBEACK SEUNGKWON·Filed 2009·Granted Feb 10, 2015·27 cites·21 claims
- 1287US8111758B23D stereoscopic/multiview video processing system and its methodYUN KUG-JIN·Filed 2003·Granted Feb 7, 2012·31 cites·19 claims
- 1386US2025308540A1Unified speech/audio codec (usac) processing windows sequence based mode switchingELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2025·Application pending·0 cites
- 1485US12361957B2Unified speech/audio codec (USAC) processing windows sequence based mode switchingELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2024·Granted Jul 15, 2025·0 cites·10 claims
- 1584US7548582B2Kalman-viterbi joint channel equalizerKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Jun 16, 2009·29 cites·7 claims
- 1681USRE44335ESystem and method for providing terrestrial digital broadcasting service using single frequency networkPARK SUNG-IK·Filed 2011·Granted Jul 2, 2013·4 cites·20 claims
- 1780US8170246B2Apparatus and method for reproducing surround wave field using wave field synthesisYOO JAE-HYOUN·Filed 2008·Granted May 1, 2012·11 cites·13 claims
- 1880US7712011B2Apparatus and method for receiving digital television signal with backward compatibility byteKOREA ELECTRONICS TELECOMM·Filed 2005·Granted May 4, 2010·9 cites·7 claims
- 1979US9378749B2LPC residual signal encoding/decoding apparatus of modified discrete cosine transform (MDCT)-based unified voice/audio encoding deviceKOREA ELECTRONICS TELECOMM·Filed 2014·Granted Jun 28, 2016·4 cites·7 claims
- 2079US8976983B2Method for generating and playing object-based audio contents and computer readable recording medium for recoding data having file format structure for object-based audio serviceJANG INSEON·Filed 2009·Granted Mar 10, 2015·6 cites·46 claims
- 2179US8898059B2LPC residual signal encoding/decoding apparatus of modified discrete cosine transform (MDCT)-based unified voice/audio encoding deviceBEACK SEUNG KWON·Filed 2009·Granted Nov 25, 2014·7 cites·16 claims
- 2279US7177357B2Data processing system for stereoscopic 3-dimensional video based on MPEG-4 and method thereofKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Feb 13, 2007·21 cites·23 claims
- 2378US11922962B2Unified speech/audio codec (USAC) processing windows sequence based mode switchingELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Granted Mar 5, 2024·0 cites·10 claims
- 2478US8351612B2Apparatus for generating and playing object based audio contentsKOREA ELECTRONICS TELECOMM·Filed 2009·Granted Jan 8, 2013·10 cites·9 claims
- 2577US9299352B2Method and apparatus for generating side information bitstream of multi-object audio signalSEO JEONG-IL·Filed 2009·Granted Mar 29, 2016·8 cites·17 claims
- 2677US7848425B2Method and apparatus for encoding and decoding stereoscopic videoKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Dec 7, 2010·24 cites·41 claims
- 2773US7321602B2Apparatus and method for inserting null packet in digital broadcasting transmission systemKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Jan 22, 2008·14 cites·8 claims
- 2872US10621998B2LPC residual signal encoding/decoding apparatus of modified discrete cosine transform (MDCT)-based unified voice/audio encoding deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Granted Apr 14, 2020·1 cites·7 claims
- 2972US6707851B1Method for objects segmentation in video sequences by object tracking and user assistanceKOREA ELECTRONICS TELECOMM·Filed 1998·Granted Mar 16, 2004·21 cites·6 claims
- 3071US7769589B2System and method for providing electronic program guideKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Aug 3, 2010·10 cites·10 claims
- 3170US2024105194A1Lpc residual signal encoding/decoding apparatus of modified discrete cosine transform (mdct)-based unified voice/audio encoding deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2023·Application pending·0 cites
- 3269US11887612B2LPC residual signal encoding/decoding apparatus of modified discrete cosine transform (MDCT)-based unified voice/audio encoding deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2022·Granted Jan 30, 2024·0 cites·20 claims
- 3369US11430457B2LPC residual signal encoding/decoding apparatus of modified discrete cosine transform (MDCT)-based unified voice/audio encoding deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2020·Granted Aug 30, 2022·0 cites·16 claims
- 3468US8340096B2Method and apparatus for transmitting and receiving of the object-based audio contentsLEE YONG JU·Filed 2008·Granted Dec 25, 2012·1 cites·14 claims
- 3565US9685167B2Multi-object audio encoding and decoding apparatus supporting post down-mix signalSEO JEONGIL·Filed 2009·Granted Jun 20, 2017·5 cites·11 claims
- 3664US7570692B2Apparatus and method for transmitting MPEG-4 data synchronized with MPEG-2 dataKOREA ELECTRONICS TELECOMM·Filed 2001·Granted Aug 4, 2009·6 cites·13 claims
- 3761US7995657B2Intelligent water ring scan apparatus and method based on quality factor, and video encoding/decoding apparatus and method using the sameKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Aug 9, 2011·4 cites·28 claims
- 3859US9525612B2Method and apparatus for transmitting and receiving of the object-based audio contentsELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2012·Granted Dec 20, 2016·0 cites·9 claims
- 3958US10796707B2Method and apparatus for transmitting and receiving of the object-based audio contentsELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2018·Granted Oct 6, 2020·0 cites·5 claims
- 4058US7773673B2Method and apparatus for motion estimation using adaptive search pattern for video sequence compressionKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Aug 10, 2010·4 cites·8 claims
- 4158US7383562B2Restricted reception device for digital cable broadcasting system, and reception system and method using the sameKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Jun 3, 2008·3 cites·13 claims
- 4257US11222645B2Multi-object audio encoding and decoding apparatus supporting post down-mix signalELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2019·Granted Jan 11, 2022·0 cites·13 claims
- 4357US7664270B23D audio signal processing system using rigid sphere and method thereofKOREA ELECTRONICS TELECOMM·Filed 2004·Granted Feb 16, 2010·3 cites·11 claims
- 4456US6946993B2Digital broadcasting service receiver for improving reception ability by switched beam-formingKOREA ELECTRONICS TELECOMM·Filed 2003·Granted Sep 20, 2005·10 cites·7 claims
- 4555US9380288B2System and method for transmitting/receiving three dimensional video based on digital broadcastingKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Jun 28, 2016·0 cites·6 claims
- 4655US2008212689A1Intelligent water ring scan apparatus and method based on quality factor, and video encoding/decoding apparatus and method using the samePARK GWANG-HOON·Filed 2008·Application pending·0 cites
- 4754US10140999B2Method and apparatus for transmitting and receiving of the object-based audio contentsELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Nov 27, 2018·0 cites·3 claims
- 4854US9728198B2LPC residual signal encoding/decoding apparatus of modified discrete cosine transform (MDCT)-based unified voice/audio encoding deviceELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Aug 8, 2017·0 cites·5 claims
- 4953US8233522B2Decision feedback equalizer for digital TV and method thereofPARK SUNG-IK·Filed 2004·Granted Jul 31, 2012·1 cites·4 claims
- 5052US7583696B2System and method for digital broadcast protocol conversionKOREA ELECTRONICS TELECOMM·Filed 2002·Granted Sep 1, 2009·1 cites·8 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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