Inventor · disambiguated record
Andrew L. Norrell
Also filed as: NORRELL ANDREW · NORRELL ANDREW L · Norrell Andrew Leon
42 granted patents·1 pending application·1,920 citations·filing 1993–2015
98Inventor score
Top patents by PatentIndex Score
43 records- 0199US5705949ACompensation method for I/Q channel imbalance errorsU S ROBOTICS ACCESS CORP·Filed 1996·Granted Jan 6, 1998·290 cites·26 claims
- 0294US7194023B2Loop extender with communications, control, and diagnostics2WIRE INC·Filed 2002·Granted Mar 20, 2007·114 cites·49 claims
- 0393US6529549B1System and method for an equalizer-based symbol timing loop2WIRE INC·Filed 2000·Granted Mar 4, 2003·95 cites·17 claims
- 0493US6507608B1Multi-line ADSL modulation2WIRE INC·Filed 2001·Granted Jan 14, 2003·98 cites·14 claims
- 0590US6965636B1System and method for block error correction in packet-based digital communications2WIRE INC·Filed 2000·Granted Nov 15, 2005·68 cites·24 claims
- 0688US6034993AMethod and apparatus for adaptively equalizing a signal received from a remote transmitter3COM CORP·Filed 1997·Granted Mar 7, 2000·53 cites·24 claims
- 0787US7190716B2Line powered loop extender with communications, control, and diagnostics2WIRE INC·Filed 2002·Granted Mar 13, 2007·57 cites·49 claims
- 0887US6084883AEfficient data transmission over digital telephone networks using multiple modulus conversion3COM CORP·Filed 1997·Granted Jul 4, 2000·176 cites·11 claims
- 0986US5646983AHost computer digital signal processing system for communicating over voice-grade telephone channelsU S ROBOTICS ACCESS CORP·Filed 1993·Granted Jul 8, 1997·88 cites·23 claims
- 1085US7068649B2Extended bandwidth homePNA system compatible with homePNA 2.02WIRE INC·Filed 2001·Granted Jun 27, 2006·46 cites·19 claims
- 1183US6853637B1Converged home gateway3COM CORP·Filed 1999·Granted Feb 8, 2005·135 cites·8 claims
- 1281US7023910B1Dual-line DSL system and method2WIRE INC·Filed 2001·Granted Apr 4, 2006·31 cites·22 claims
- 1381US5528595AModem input/output signal processing techniquesUS ROBOTICS INC·Filed 1995·Granted Jun 18, 1996·142 cites·43 claims
- 1478US8194722B2Various methods and apparatuses for impulse noise mitigationNORRELL ANDREW L·Filed 2005·Granted Jun 5, 2012·13 cites·20 claims
- 1578US5912888ADigital network access serverU S ROBOTICS ACCESS CORP·Filed 1997·Granted Jun 15, 1999·109 cites·7 claims
- 1674US9583088B1Frequency domain training to compensate acoustic instrument pickup signalsAudio Sprockets LLC·Filed 2015·Granted Feb 28, 2017·4 cites·22 claims
- 1774US6874096B1Apparatus and method for detecting packet arrival time2WIRE INC·Filed 2001·Granted Mar 29, 2005·19 cites·21 claims
- 1874US6542028B1System and method for efficient demodulation and filtering of a received signal2WIRE INC·Filed 2001·Granted Apr 1, 2003·19 cites·31 claims
- 1972US7529229B1Converged home gateway3COM CORP·Filed 2004·Granted May 5, 2009·16 cites·23 claims
- 2063US6977958B1Differentially-driven loop extender2WIRE INC·Filed 2001·Granted Dec 20, 2005·7 cites·22 claims
- 2163US6947529B2DSL compatible load coil2WIRE INC·Filed 2001·Granted Sep 20, 2005·6 cites·12 claims
- 2263US6693997B1Host computer digital signal processing system for communicating over voice-grade telephone channels3COM CORP·Filed 2000·Granted Feb 17, 2004·5 cites·11 claims
- 2363US5793821ATiming Recovery using group delay compensation3COM CORP·Filed 1995·Granted Aug 11, 1998·50 cites·16 claims
- 2461US7519168B2Host computer digital signal processing system for communicating over voice-grade telephone channels3COM CORP·Filed 2003·Granted Apr 14, 2009·4 cites·51 claims
- 2561US7061857B2System and method for fault isolation for DSL loop extenders2WIRE INC·Filed 2002·Granted Jun 13, 2006·4 cites·48 claims
- 2659US5724413AHost computer digital signal processing system for communicating over voice-grade telephone channelsUS ROBOTICS INC·Filed 1995·Granted Mar 3, 1998·23 cites·14 claims
- 2758US7072385B1Load coil and DSL repeater including same2WIRE INC·Filed 2000·Granted Jul 4, 2006·5 cites·5 claims
- 2858US6690666B1Packet modulation for DSL3COM CORP·Filed 1999·Granted Feb 10, 2004·28 cites·6 claims
- 2958US6285709B1Error filtering in a hybrid equalizer system3COM CORP·Filed 1997·Granted Sep 4, 2001·39 cites·20 claims
- 3057US6115395AMethod of detecting network impairments for high speed data communication over conventional subscriber lines3COM CORP·Filed 1997·Granted Sep 5, 2000·38 cites·10 claims
- 3156US6097794AHost computer digital signal processing system for communicating over voice-grade telephone channelsU S ROBOTICS ACCESS CORP·Filed 1999·Granted Aug 1, 2000·18 cites·4 claims
- 3254US6636519B1Network access method and network access server thereforUT STARCOM INC·Filed 1999·Granted Oct 21, 2003·31 cites·5 claims
- 3354US5579305AAsymmetric duplex modem utilizing narrow band echo cancellationUS ROBOTICS INC·Filed 1994·Granted Nov 26, 1996·23 cites·12 claims
- 3450US2007091860A1Wireless remote control device and methodLERY SCOTT A·Filed 2005·Application pending·0 cites
- 3547US5892757AAsymmetric duplex modem utilizing narrow band echo cancellationU S ROBOTICS ACCESS CORP·Filed 1996·Granted Apr 6, 1999·19 cites·5 claims
- 3646US6885698B1Efficient hardware implementation for signal reconstruction over multiple analog-to-digital, digital-to-analog conversions in a telecommunication systemGODIGITAL NETWORKS CORP·Filed 2001·Granted Apr 26, 2005·1 cites·6 claims
- 3744US5872836AHost computer digital signal processing system for communicating over voice-grade telephone channels3COM CORP·Filed 1997·Granted Feb 16, 1999·8 cites·16 claims
- 3843US7483528B2Loop extender with selectable line termination and equalization2WIRE INC·Filed 2002·Granted Jan 27, 2009·0 cites·23 claims
- 3942US5999109AFrame-based spectral shaping method and apparatus3COM CORP·Filed 1997·Granted Dec 7, 1999·13 cites·15 claims
- 4039US6094422AEcho canceller touch-up period in an echo-cancelling modem3COM CORP·Filed 1997·Granted Jul 25, 2000·9 cites·17 claims
- 4136US6111920AMethod and system for timing recovery in a baud-rate sampled data stream3COM CORP·Filed 1997·Granted Aug 29, 2000·8 cites·24 claims
- 4235US6255967B1Frame-based spectral shaping method and apparatus3COM CORP·Filed 1999·Granted Jul 3, 2001·5 cites·10 claims
- 4332US6373889B1In-Band signal and detector for PCM modem exception processing3COM CORP·Filed 1998·Granted Apr 16, 2002·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →