Assignee
ADTRAN
US·17 granted patents·544 citations·filing 1987–1995
Top patents by PatentIndex Score
17 records- 0183US5561687ADecision feedback equalizer employing fixed ratio postcursor taps for minimizing noise and intersymbol interference in signals conveyed over high speed data service loopADTRAN·Filed 1994·Granted Oct 1, 1996·97 cites·10 claims
- 0279US5414733ADecision feedback equalizer employing fixed ratio postcursor taps for minimizing noise and intersymbol interference in signals conveyed over high speed data service loopADTRAN·Filed 1993·Granted May 9, 1995·82 cites·22 claims
- 0377US5040190AAnalog data station terminalADTRAN·Filed 1989·Granted Aug 13, 1991·50 cites·28 claims
- 0473US5579316ACommunications technique for transmitting limited size digital data frames using macro headers to represent multiple header code patterns associated with encapsulation protocols and signal processing operations to which transmitted data are subjectedADTRAN·Filed 1994·Granted Nov 26, 1996·69 cites·33 claims
- 0565US5396517ATransversal filter useable in echo canceler, decision feedback equalizer applications for minimizing non-linear distortion in signals conveyed over full duplex two-wire communication linkADTRAN·Filed 1993·Granted Mar 7, 1995·32 cites·27 claims
- 0662US4759035ADigitally controlled, all rate equalizerADTRAN·Filed 1987·Granted Jul 19, 1988·27 cites·16 claims
- 0760US5526377ATransversal filter useable in echo canceler, decision feedback equalizer applications for minimizing non-linear distortion in signals conveyed over full duplex two-wire communication linkADTRAN·Filed 1994·Granted Jun 11, 1996·26 cites·14 claims
- 0857US5144625ADigital subscriber line termination with signallingADTRAN·Filed 1990·Granted Sep 1, 1992·23 cites·68 claims
- 0954US5539785AJitter/wander reduction circuit for pulse-stuffed, synchronized digital communicationsADTRAN·Filed 1994·Granted Jul 23, 1996·16 cites·12 claims
- 1054US5500879ABlind signal separation and equalization of full-duplex amplitude modulated signals on a signal transmission lineADTRAN·Filed 1994·Granted Mar 19, 1996·26 cites·10 claims
- 1153US5473665APerformance monitoring of DS0 channel via D4 channel bankADTRAN·Filed 1993·Granted Dec 5, 1995·26 cites·59 claims
- 1251US5680422AMethod and apparatus for reducing waiting time jitter in pulse stuffing synchronized digital communicationsADTRAN·Filed 1995·Granted Oct 21, 1997·16 cites·31 claims
- 1349US5515371ATimeslot interleaving delay compensation (bonding) mechanism for time division multiplexed digital communication networkADTRAN·Filed 1994·Granted May 7, 1996·16 cites·45 claims
- 1446US5390179ARemote provisioning of telephone channel unit using inband digital code sequences transmitted over tandem linkADTRAN·Filed 1991·Granted Feb 14, 1995·15 cites·66 claims
- 1543US5574723ARemote provisioning of telephone channel unit using inband digital code sequences transmitted over tandem linkADTRAN·Filed 1994·Granted Nov 12, 1996·13 cites·37 claims
- 1627US5450441AMechanism for monitoring quality of digital telephone link based upon rate of occurrence of illegal bipolar violationsADTRAN·Filed 1993·Granted Sep 12, 1995·5 cites·18 claims
- 1724US5479439AAnalog service channel port for digital interfaceADTRAN·Filed 1991·Granted Dec 26, 1995·5 cites·15 claims
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