Assignee
PARADYNE CORP
US·277 granted patents·1 pending application·10,596 citations·filing 1974–2009
Top patents by PatentIndex Score
278 records- 0196US4811357ASecondary channel for digital modems using spread spectrum subliminal induced modulationPARADYNE CORP·Filed 1988·Granted Mar 7, 1989·206 cites·8 claims
- 0296US4677625ADistributed trellis encoderPARADYNE CORP·Filed 1985·Granted Jun 30, 1987·122 cites·11 claims
- 0395USD408796SHousingPARADYNE CORP·Filed 1998·Granted Apr 27, 1999·69 cites·1 claims
- 0494US4381546ASystem for the quantitative measurement of impairments in the communication channel of a quadrature amplitude modulation data communication systemPARADYNE CORP·Filed 1979·Granted Apr 26, 1983·99 cites·16 claims
- 0593US6647058B1Performance customization system and process for optimizing XDSL performancePARADYNE CORP·Filed 1998·Granted Nov 11, 2003·121 cites·29 claims
- 0692US6160790ACrosstalk canceller system and methodPARADYNE CORP·Filed 1997·Granted Dec 12, 2000·129 cites·57 claims
- 0792US5724262AMethod for measuring the usability of a system and for task analysis and re-engineeringPARADYNE CORP·Filed 1994·Granted Mar 3, 1998·165 cites·19 claims
- 0891US6744883B1Filter system and method to suppress interference imposed upon a frequency-division multiplexed channelPARADYNE CORP·Filed 2000·Granted Jun 1, 2004·78 cites·22 claims
- 0991US6580785B2Apparatus and method for simultaneous multiple telephone type services on a single telephone linePARADYNE CORP·Filed 1998·Granted Jun 17, 2003·116 cites·93 claims
- 1091US6311288B1System and method for virtual circuit backup in a communication networkPARADYNE CORP·Filed 1998·Granted Oct 30, 2001·324 cites·40 claims
- 1191US6061392AApparatus and method for communicating voice and data between a customer premises and a central officePARADYNE CORP·Filed 1997·Granted May 9, 2000·197 cites·54 claims
- 1291US5848150APassive distributed filter system and methodPARADYNE CORP·Filed 1997·Granted Dec 8, 1998·174 cites·27 claims
- 1391US4335464ADual multipoint data transmission system modemPARADYNE CORP·Filed 1980·Granted Jun 15, 1982·64 cites·2 claims
- 1491US3956589AData telecommunication systemPARADYNE CORP·Filed 1974·Granted May 11, 1976·78 cites·8 claims
- 1590US6856597B1System and method for statistical control of power dissipation with host enforcementPARADYNE CORP·Filed 2001·Granted Feb 15, 2005·84 cites·34 claims
- 1689US6111936AMethod and apparatus for automatically detecting and measuring distortion in a DSL systemPARADYNE CORP·Filed 1999·Granted Aug 29, 2000·149 cites·19 claims
- 1789US5898674ASystem and method for performing non-disruptive diagnostics through a frame relay circuitPARADYNE CORP·Filed 1997·Granted Apr 27, 1999·122 cites·30 claims
- 1889US5768311AInterpolation system for fixed sample rate signal processingPARADYNE CORP·Filed 1995·Granted Jun 16, 1998·58 cites·31 claims
- 1989US5657204APC add-on board installation apparatus for industrial applicationsPARADYNE CORP·Filed 1996·Granted Aug 12, 1997·96 cites·8 claims
- 2089US4516216AIn-service monitoring system for data communications networkPARADYNE CORP·Filed 1982·Granted May 7, 1985·79 cites·5 claims
- 2189US4271527ADouble side band-quadrature carrier modulation signal structuresPARADYNE CORP·Filed 1979·Granted Jun 2, 1981·61 cites·5 claims
- 2288US6574308B1Digital subscriber line diagnostic systemPARADYNE CORP·Filed 2001·Granted Jun 3, 2003·60 cites·14 claims
- 2388US5841840AMultiple line modem and method for providing voice on demandPARADYNE CORP·Filed 1996·Granted Nov 24, 1998·186 cites·17 claims
- 2488US5636282AMethod for dial-in access security using a multimedia modemPARADYNE CORP·Filed 1994·Granted Jun 3, 1997·124 cites·16 claims
- 2588US5602846ASimultaneous voice and data call establishment using a simultaneous voice and data modem pool and private branch exchange facilitiesPARADYNE CORP·Filed 1994·Granted Feb 11, 1997·126 cites·18 claims
- 2688US4464767ASystem for generation of multiple pointed QAM signal spaces by use of synchronous Qam transmittersPARADYNE CORP·Filed 1981·Granted Aug 7, 1984·68 cites·6 claims
- 2788US4085449ADigital modemPARADYNE CORP·Filed 1976·Granted Apr 18, 1978·60 cites·9 claims
- 2888US3956601ATelecommunications analyzerPARADYNE CORP·Filed 1974·Granted May 11, 1976·58 cites·40 claims
- 2987US6715124B1Trellis interleaver and feedback precoderPARADYNE CORP·Filed 2001·Granted Mar 30, 2004·46 cites·28 claims
- 3087US4663766AMethod of determining automatically the rate of data signals in a modemPARADYNE CORP·Filed 1984·Granted May 5, 1987·61 cites·5 claims
- 3187US4525846AModem in-band secondary channel via radial modulationPARADYNE CORP·Filed 1982·Granted Jun 25, 1985·71 cites·2 claims
- 3286US6272108B1Apparatus and method to allow a frame check sequence to determine the updating of adaptive receiver parameters of a high speed communication devicePARADYNE CORP·Filed 1998·Granted Aug 7, 2001·55 cites·14 claims
- 3386US6038219AUser-configurable frame relay networkPARADYNE CORP·Filed 1997·Granted Mar 14, 2000·178 cites·3 claims
- 3486US5970066AVirtual ethernet interfacePARADYNE CORP·Filed 1997·Granted Oct 19, 1999·156 cites·13 claims
- 3586US5719858ATime-division multiple-access method for packet transmission on shared synchronous serial busesPARADYNE CORP·Filed 1995·Granted Feb 17, 1998·88 cites·32 claims
- 3685US5901205AAdaptive voice and data bandwidth management system for multiple-line digital subscriber loop data communicationsPARADYNE CORP·Filed 1997·Granted May 4, 1999·112 cites·17 claims
- 3785US5659581AModem receiver pre-emphasisPARADYNE CORP·Filed 1994·Granted Aug 19, 1997·81 cites·7 claims
- 3884US7289604B2System and method for subscriber loop testingPARADYNE CORP·Filed 2005·Granted Oct 30, 2007·8 cites·20 claims
- 3984US7058833B1System and method for minimized power consumption for frame and cell data transmission systemsPARADYNE CORP·Filed 2001·Granted Jun 6, 2006·44 cites·28 claims
- 4084US6885730B1System and method for subscriber loop testingPARADYNE CORP·Filed 2001·Granted Apr 26, 2005·30 cites·35 claims
- 4184US6823002B1Linear block interleaver for discrete multi-tone modulationPARADYNE CORP·Filed 2000·Granted Nov 23, 2004·39 cites·19 claims
- 4284US5600712AEnabling technique for quickly establishing high speed PSTN connections in telecommuting applicationsPARADYNE CORP·Filed 1996·Granted Feb 4, 1997·113 cites·8 claims
- 4383US7352803B2Apparatus and method for communicating voice and data between a customer premises and a central officePARADYNE CORP·Filed 2006·Granted Apr 1, 2008·10 cites·27 claims
- 4483US7072387B1Fractional bit rate encoding in a discrete multi-tone communication systemPARADYNE CORP·Filed 2000·Granted Jul 4, 2006·32 cites·29 claims
- 4583US5859877ASimultaneous analog and digital communication using fractional rate encodingPARADYNE CORP·Filed 1997·Granted Jan 12, 1999·46 cites·15 claims
- 4683US4273955ASystem for in-service quantitative performance analysis of data communications systemPARADYNE CORP·Filed 1979·Granted Jun 16, 1981·39 cites·4 claims
- 4782US6744813B1System and method for estimating noise characteristics in the presence of non-stationary noisePARADYNE CORP·Filed 2000·Granted Jun 1, 2004·37 cites·71 claims
- 4882US5655010ALine-powered modem with capacitive isolationPARADYNE CORP·Filed 1995·Granted Aug 5, 1997·101 cites·11 claims
- 4982US4630287ASecondary channel signalling in a QAM data point constellationPARADYNE CORP·Filed 1985·Granted Dec 16, 1986·84 cites·5 claims
- 5081US7194048B2Space diversity trellis interleaver system and methodPARADYNE CORP·Filed 2005·Granted Mar 20, 2007·8 cites·28 claims
Showing the top 50 of 278 patent records by PatentIndex Score.
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