Assignee
ADTRAN INC
US·354 granted patents·34 pending applications·5,062 citations·filing 1995–2023
Top patents by PatentIndex Score
388 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
- 0295US8385064B1Reversible fan module for electronic enclosuresADTRAN INC·Filed 2010·Granted Feb 26, 2013·23 cites·28 claims
- 0394US8380828B1System and method for locating offending network device and maintaining network integrityADTRAN INC·Filed 2010·Granted Feb 19, 2013·47 cites·26 claims
- 0494US5809033AUse of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone linkADTRAN INC·Filed 1995·Granted Sep 15, 1998·122 cites·62 claims
- 0593US9603277B2Field-reconfigurable backplane systemADTRAN INC·Filed 2015·Granted Mar 21, 2017·240 cites·8 claims
- 0693US7855891B1Modular heat sinks for housings for electronic equipmentADTRAN INC·Filed 2008·Granted Dec 21, 2010·41 cites·3 claims
- 0793US7809076B1Adaptive interference canceling system and methodADTRAN INC·Filed 2006·Granted Oct 5, 2010·28 cites·17 claims
- 0893US6489755B1Active ripple and noise filter for telecommunication equipment poweringADTRAN INC·Filed 2000·Granted Dec 3, 2002·89 cites·25 claims
- 0992US7570603B2Routing switch detecting change in session identifier before reconfiguring routing tableADTRAN INC·Filed 2008·Granted Aug 4, 2009·19 cites·13 claims
- 1092US7375940B1Transformer interface for preventing EMI-based current imbalances from falsely triggering ground fault interruptADTRAN INC·Filed 2005·Granted May 20, 2008·53 cites·19 claims
- 1191US10135531B1Systems and methods for cancellation of undesired reflections in testing of optical fibersADTRAN INC·Filed 2017·Granted Nov 20, 2018·9 cites·23 claims
- 1291US8373451B1Digital driver with RC tuned transition controlADTRAN INC·Filed 2010·Granted Feb 12, 2013·17 cites·20 claims
- 1391US7693090B1Systems and methods for discovering PME bonding groupsADTRAN INC·Filed 2006·Granted Apr 6, 2010·32 cites·26 claims
- 1491US6934345B2Apparatus, method and system for correlated noise reduction in a trellis coded environmentADTRAN INC·Filed 2001·Granted Aug 23, 2005·79 cites·49 claims
- 1590US9173326B1Reversible fan module for electronic enclosuresADTRAN INC·Filed 2013·Granted Oct 27, 2015·9 cites·16 claims
- 1690US7760624B1Network access device and method for protecting subscriber line communicationsADTRAN INC·Filed 2005·Granted Jul 20, 2010·22 cites·10 claims
- 1789US11588821B1Systems and methods for access control list (ACL) filteringADTRAN INC·Filed 2020·Granted Feb 21, 2023·10 cites·11 claims
- 1889US10716017B2Telecommunications network troubleshooting systemsADTRAN INC·Filed 2018·Granted Jul 14, 2020·8 cites·14 claims
- 1989US7561088B1Multi-loop data weighted averaging in a delta-sigma DACADTRAN INC·Filed 2008·Granted Jul 14, 2009·27 cites·21 claims
- 2089US6876736B2Call-routing mechanism for automatically performing number substitution in an integrated access deviceADTRAN INC·Filed 2001·Granted Apr 5, 2005·63 cites·20 claims
- 2189US5943404AMechanism for providing emergency POTS service in event of loss of power to customer premises equipment for ISDN telephone linesADTRAN INC·Filed 1995·Granted Aug 24, 1999·103 cites·53 claims
- 2288US7916723B2Automatic network topology identification by nodes in the networkADTRAN INC·Filed 2009·Granted Mar 29, 2011·17 cites·18 claims
- 2388US6757382B1Quasi ground fault interruption signal-based activation of emergency pots by-pass paths for line-powered digital subscriber loopADTRAN INC·Filed 2000·Granted Jun 29, 2004·58 cites·5 claims
- 2488US6654255B2System for mounting data communication equipmentADTRAN INC·Filed 2000·Granted Nov 25, 2003·45 cites·27 claims
- 2587US10225009B2Broadband access devices having a radio linkADTRAN INC·Filed 2016·Granted Mar 5, 2019·10 cites·22 claims
- 2686US7023963B1DSL line card echo canceler-based mechanism for locating telecommunication line faultADTRAN INC·Filed 2003·Granted Apr 4, 2006·45 cites·31 claims
- 2786US6917681B2Peak power management and active decoupling arrangement for span-powered remote terminal access platformsADTRAN INC·Filed 2002·Granted Jul 12, 2005·39 cites·12 claims
- 2886US5856758ALow distortion driver employing positive feedback for reducing power loss in output impedance that effectively matches the impedance of driven lineADTRAN INC·Filed 1996·Granted Jan 5, 1999·192 cites·22 claims
- 2985US10165696B1Removable module with spring latchADTRAN INC·Filed 2017·Granted Dec 25, 2018·13 cites·13 claims
- 3084US10609825B1Cable access platform having external electronic modulesADTRAN INC·Filed 2018·Granted Mar 31, 2020·4 cites·20 claims
- 3184US7593494B1System and method for canceling impulse noiseADTRAN INC·Filed 2004·Granted Sep 22, 2009·28 cites·15 claims
- 3284US7174488B1Echo 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
- 3384US6597576B1Mounting arrangements for data communication devicesADTRAN INC·Filed 2000·Granted Jul 22, 2003·34 cites·6 claims
- 3484USD464958SHousing assembly for communications equipmentADTRAN INC·Filed 2001·Granted Oct 29, 2002·38 cites·1 claims
- 3583US12000547B1Edge-mount light pipeADTRAN INC·Filed 2023·Granted Jun 4, 2024·2 cites·20 claims
- 3683US11175975B1Systems and methods for detecting faults in a telecommunication system using retrain dataADTRAN INC·Filed 2018·Granted Nov 16, 2021·5 cites·27 claims
- 3783US10887012B1Systems and methods for tuning lasers using reflected optical signalsADTRAN INC·Filed 2019·Granted Jan 5, 2021·4 cites·19 claims
- 3883US9806807B1Automatic rogue ONU detectionADTRAN INC·Filed 2016·Granted Oct 31, 2017·5 cites·21 claims
- 3983US9362959B2Data processing in a digital subscriber line environmentADTRAN INC·Filed 2014·Granted Jun 7, 2016·6 cites·34 claims
- 4083US6259680B1Method and apparatus for echo cancellationADTRAN INC·Filed 1997·Granted Jul 10, 2001·66 cites·8 claims
- 4183US5909445AMechanism for transporting digital pots signals within framing structure of high bit rate digital local subscriber loop signalsADTRAN INC·Filed 1996·Granted Jun 1, 1999·75 cites·14 claims
- 4283US5903572AISDN terminal adapter for use with external modem and employing software-based serial communication framing for ISDN `D` channel signalingADTRAN INC·Filed 1997·Granted May 11, 1999·74 cites·19 claims
- 4382US7697512B1Proactive monitoring of status of voice-over-IP serversADTRAN INC·Filed 2006·Granted Apr 13, 2010·16 cites·20 claims
- 4482US6584197B1Power-limited remote termination converter with wetting current and emergency power operation for digital data transmission equipmentADTRAN INC·Filed 1999·Granted Jun 24, 2003·103 cites·19 claims
- 4581US10530527B1Discrete multi-tone (DMT) systems and methods for mitigating interpolation errors from crosstalk vectoringADTRAN INC·Filed 2018·Granted Jan 7, 2020·3 cites·13 claims
- 4681US9436238B1Convection-cooled electronic systemADTRAN INC·Filed 2015·Granted Sep 6, 2016·6 cites·22 claims
- 4781US8027461B1Systems and methods for splitting telecommunication signals with reduced noiseADTRAN INC·Filed 2007·Granted Sep 27, 2011·8 cites·32 claims
- 4881US6580254B2Apparatus and method for providing span power to communication equipment at a customer premiseADTRAN INC·Filed 2001·Granted Jun 17, 2003·57 cites·19 claims
- 4981US6246716B1Information communication systemADTRAN INC·Filed 1997·Granted Jun 12, 2001·93 cites·23 claims
- 5081US5999542AUse of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone linkADTRAN INC·Filed 1998·Granted Dec 7, 1999·45 cites·28 claims
Showing the top 50 of 388 patent records by PatentIndex Score.
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