Inventor · disambiguated record
Fred Chu
Also filed as: CHU FRED · CHU FRED T · CHU FRED T Y · CHU FRED TZE-YU
34 granted patents·486 citations·filing 1998–2021
97Inventor score
Top patents by PatentIndex Score
34 records- 0196US6687235B1Mitigation of non-linear signal perturbations using truncated volterra-based non-linear echo cancelerADTRAN INC·Filed 2000·Granted Feb 3, 2004·104 cites·24 claims
- 0291US6934345B2Apparatus, method and system for correlated noise reduction in a trellis coded environmentADTRAN INC·Filed 2001·Granted Aug 23, 2005·79 cites·49 claims
- 0387US8854943B2Systems and methods for adjusting time slots of vectoring streams based on bit loadingGOODSON RICHARD·Filed 2012·Granted Oct 7, 2014·7 cites·13 claims
- 0486US7023963B1DSL line card echo canceler-based mechanism for locating telecommunication line faultADTRAN INC·Filed 2003·Granted Apr 4, 2006·45 cites·31 claims
- 0585US9742905B1Communication systems and methods for using shared channels to increase peak data ratesSCHNEIDER KEVIN W·Filed 2010·Granted Aug 22, 2017·7 cites·35 claims
- 0684US7174488B1Echo canceler-based mechanism for performing and reporting fault diagnostic testing of repeatered telecommunication lineADTRAN INC·Filed 2003·Granted Feb 6, 2007·24 cites·23 claims
- 0782US8582425B1Systems and methods for cancelling crosstalk in satellite access devicesTURNER MICHAEL D·Filed 2011·Granted Nov 12, 2013·7 cites·12 claims
- 0881US9503185B2Systems and methods for communications across drop connectionsJOFFE DANIEL M·Filed 2012·Granted Nov 22, 2016·6 cites·34 claims
- 0981US8854942B2Systems and methods for bypassing failed line cards in multi-card vectoring groupsGOODSON RICHARD·Filed 2012·Granted Oct 7, 2014·4 cites·14 claims
- 1080US6996230B1Echo-canceler for precoded fractionally spaced receiver using signal estimatorADTRAN INC·Filed 2003·Granted Feb 7, 2006·22 cites·10 claims
- 1179US9083785B2Systems and methods selectively excluding tones from vectoringGOODSON RICHARD·Filed 2012·Granted Jul 14, 2015·3 cites·16 claims
- 1277US6975706B1Capacitance measurement-based mechanism for locating open telecommunication line faultADTRAN INC·Filed 2003·Granted Dec 13, 2005·14 cites·10 claims
- 1376US8208604B1Systems and methods for diagnosing anomalies along bonded loop communication mediaCHU FRED·Filed 2008·Granted Jun 26, 2012·6 cites·23 claims
- 1472US7634032B2System and method for detecting non-linear distortion of signals communicated across telecommunication linesADTRAN INC·Filed 2004·Granted Dec 15, 2009·16 cites·30 claims
- 1571US7624314B1Echo canceler-based mechanism for performing and reporting fault diagnostic testing of repeatered telecommunication lineADTRAN INC·Filed 2006·Granted Nov 24, 2009·2 cites·17 claims
- 1670US9912376B2Managing crosstalk in vectored transmissionsADTRAN INC·Filed 2015·Granted Mar 6, 2018·2 cites·18 claims
- 1769US7460498B2System and method for detecting anomalies along telecommunication linesADTRAN INC·Filed 2003·Granted Dec 2, 2008·8 cites·32 claims
- 1867US9191495B2Systems and methods for communicating vectoring streams in multi-card vectoring groupsGOODSON RICHARD·Filed 2012·Granted Nov 17, 2015·1 cites·12 claims
- 1967US9143195B2Systems and methods for communicating among network distribution pointsCHU FRED·Filed 2011·Granted Sep 22, 2015·2 cites·22 claims
- 2066US7483481B1System and method for adaptively updating precoder tapsADTRAN INC·Filed 2004·Granted Jan 27, 2009·10 cites·46 claims
- 2164US10122641B1Systems and methods for bonding multiple data links with differential delayADTRAN INC·Filed 2016·Granted Nov 6, 2018·1 cites·21 claims
- 2264US9294212B2Systems and methods for avoiding crosstalkKUIPERS MARTIN·Filed 2013·Granted Mar 22, 2016·2 cites·13 claims
- 2361US9432169B2Systems and methods for power optimized framingGOODSON RICHARD L·Filed 2013·Granted Aug 30, 2016·1 cites·21 claims
- 2460US6314135B1Method and apparatus for updating precoder coefficients in a data communication transmitterADTRAN INC·Filed 1998·Granted Nov 6, 2001·49 cites·14 claims
- 2556US6625116B1System, methods and apparatus for increasing the data rate on an existing repeatered telecommunication channel structureADTRAN INC·Filed 1999·Granted Sep 23, 2003·23 cites·30 claims
- 2654US11567282B1Fiber access extension over power line dropFIBERRISE COMMUNICATIONS LLC·Filed 2021·Granted Jan 31, 2023·0 cites·20 claims
- 2754US9088642B2Systems and methods for handling crosstalk vectoring failures in multi-card vectoring groupsGOODSON RICHARD·Filed 2012·Granted Jul 21, 2015·0 cites·14 claims
- 2853US12375126B2Coordination of DPUs in a crosstalk environmentAdtran GmbH·Filed 2019·Granted Jul 29, 2025·0 cites·19 claims
- 2952US8767921B2System and method for detecting anomalies along telecommunication linesHUNT GARY·Filed 2012·Granted Jul 1, 2014·0 cites·25 claims
- 3050US8242785B2System and method for detecting anomalies along telecommunication linesHUNT GARY·Filed 2008·Granted Aug 14, 2012·0 cites·7 claims
- 3150US6680978B1Method and apparatus for nonlinear filtering and controlling the peak-to-average ratioADTRAN INC·Filed 1999·Granted Jan 20, 2004·25 cites·29 claims
- 3246US10291382B2Initializing communication for multiple transceiversADTRAN INC·Filed 2017·Granted May 14, 2019·0 cites·18 claims
- 3346US9692481B2Systems and methods for communicating among network distribution pointsCHU FRED·Filed 2015·Granted Jun 27, 2017·0 cites·12 claims
- 3446US6597479B1Fiber quadrupler device method for providing full duplex communications to a synchronous optical network over a single optical fiberADTRAN INC·Filed 1999·Granted Jul 22, 2003·16 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →