Inventor · disambiguated record
William L. Betts
Also filed as: BETTS III WILLIAM L · BETTS WILLIAM · BETTS WILLIAM L · BETTS WILLIAM LEWIS
135 granted patents·14 pending applications·3,560 citations·filing 1974–2016
99Inventor score
Top patents by PatentIndex Score
149 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
- 0393US7872574B2Sensory enhancement systems and methods in personal electronic devicesINNOVATION SPECIALISTS LLC·Filed 2006·Granted Jan 18, 2011·85 cites·26 claims
- 0493US4021616AInterpolating rate multiplierNCR CO·Filed 1976·Granted May 3, 1977·38 cites·17 claims
- 0591US8069388B2Distributed block coding (DBC)BETTS WILLIAM·Filed 2011·Granted Nov 29, 2011·14 cites·28 claims
- 0691US4335464ADual multipoint data transmission system modemPARADYNE CORP·Filed 1980·Granted Jun 15, 1982·64 cites·2 claims
- 0790US7958426B2Distributed block coding (DBC)INNOVATION SPECIALISTS LLC·Filed 2006·Granted Jun 7, 2011·19 cites·45 claims
- 0889US5768311AInterpolation system for fixed sample rate signal processingPARADYNE CORP·Filed 1995·Granted Jun 16, 1998·58 cites·31 claims
- 0988US4125900ACascaded recursive digital filterNCR CO·Filed 1977·Granted Nov 14, 1978·27 cites·10 claims
- 1087US6715124B1Trellis interleaver and feedback precoderPARADYNE CORP·Filed 2001·Granted Mar 30, 2004·46 cites·28 claims
- 1187US5243627ASignal point interleaving techniqueAT & T BELL LAB·Filed 1991·Granted Sep 7, 1993·61 cites·24 claims
- 1287US4924516AMethod and system for a synchronized pseudo-random privacy modemAT & T PARADYNE·Filed 1989·Granted May 8, 1990·102 cites·9 claims
- 1387US4525846AModem in-band secondary channel via radial modulationPARADYNE CORP·Filed 1982·Granted Jun 25, 1985·71 cites·2 claims
- 1485US5659581AModem receiver pre-emphasisPARADYNE CORP·Filed 1994·Granted Aug 19, 1997·81 cites·7 claims
- 1585US4059735ADigital conference systemNCR CO·Filed 1976·Granted Nov 22, 1977·26 cites·14 claims
- 1684US8390445B2Sensory enhancement systems and methods in personal electronic devicesBETTS WILLIAM L·Filed 2012·Granted Mar 5, 2013·12 cites·29 claims
- 1784US8151174B2Block modulus coding (BMC) systems and methods for block coding with non-binary modulusBETTS WILLIAM L·Filed 2008·Granted Apr 3, 2012·12 cites·21 claims
- 1884US6823002B1Linear block interleaver for discrete multi-tone modulationPARADYNE CORP·Filed 2000·Granted Nov 23, 2004·39 cites·19 claims
- 1983US7072387B1Fractional bit rate encoding in a discrete multi-tone communication systemPARADYNE CORP·Filed 2000·Granted Jul 4, 2006·32 cites·29 claims
- 2083US5859877ASimultaneous analog and digital communication using fractional rate encodingPARADYNE CORP·Filed 1997·Granted Jan 12, 1999·46 cites·15 claims
- 2182US6744813B1System and method for estimating noise characteristics in the presence of non-stationary noisePARADYNE CORP·Filed 2000·Granted Jun 1, 2004·37 cites·71 claims
- 2282US5008903AAdaptive transmit pre-emphasis for digital modem computed from noise spectrumA T & T PARADYNE·Filed 1989·Granted Apr 16, 1991·91 cites·21 claims
- 2381US7194048B2Space diversity trellis interleaver system and methodPARADYNE CORP·Filed 2005·Granted Mar 20, 2007·8 cites·28 claims
- 2481US5812537AEcho canceling method and apparatus for data over cellularPARADYNE CORP·Filed 1995·Granted Sep 22, 1998·68 cites·25 claims
- 2581US4677626ASelf-synchronizing interleaver for trellis encoder used in wireline modemsPARADYNE CORP·Filed 1985·Granted Jun 30, 1987·68 cites·2 claims
- 2681US3947634ASystem for synchronizing local pseudo-noise sequence to a received baseband signalNCR CO·Filed 1974·Granted Mar 30, 1976·26 cites·7 claims
- 2780US7054377B1Space diversity trellis interleaver system and methodPARADYNE CORP·Filed 2000·Granted May 30, 2006·25 cites·28 claims
- 2878US8279969B2System and method for adapting a change in constellation density while receiving a signalBETTS WILLIAM L·Filed 2010·Granted Oct 2, 2012·4 cites·17 claims
- 2978US5761247ARob bit compensation system and method associated with a receiver or codecPARADYNE CORP·Filed 1996·Granted Jun 2, 1998·47 cites·17 claims
- 3078US5754594ACooperative feedback system and method for a compensation system associated with a transmitter or codecPARADYNE CORP·Filed 1996·Granted May 19, 1998·49 cites·11 claims
- 3178US4630286ADevice for synchronization of multiple telephone circuitsPARADYNE CORP·Filed 1984·Granted Dec 16, 1986·38 cites·11 claims
- 3278US4229814AMultiplex conference bridgeE SYSTEMS INC·Filed 1978·Granted Oct 21, 1980·19 cites·9 claims
- 3377US7088781B2Tone ordered discrete multitone interleaverPARADYNE CORP·Filed 2001·Granted Aug 8, 2006·18 cites·25 claims
- 3477US7055088B2Interleaved generalized convolutional encoderPARADYNE CORP·Filed 2001·Granted May 30, 2006·23 cites·24 claims
- 3577US5784405ANoncooperative feedback system and method for a compensation system associated with a transmitter or CODECPARADYNE CORP·Filed 1996·Granted Jul 21, 1998·45 cites·5 claims
- 3677US4555790ADigital modem having a monitor for signal-to-noise ratioBETTS WILLIAM L·Filed 1983·Granted Nov 26, 1985·39 cites·4 claims
- 3776US6482894B1Quick set ebonite composition3L & T INC·Filed 2000·Granted Nov 19, 2002·15 cites·34 claims
- 3876US5475711ASystem for channel capacity modulationAT & T CORP·Filed 1994·Granted Dec 12, 1995·77 cites·25 claims
- 3975US4637035ADigital modem for multiple telephone circuitsPARADYNE CORP·Filed 1984·Granted Jan 13, 1987·34 cites·6 claims
- 4073US7248662B2System and method for deriving symbol timingPARADYNE CORP·Filed 2005·Granted Jul 24, 2007·4 cites·22 claims
- 4173US7013421B2Trellis interleaver and feedback precoderPARADYNE CORP·Filed 2004·Granted Mar 14, 2006·14 cites·27 claims
- 4273US4734920AHigh speed modem for multiple communication circuitsPARADYNE CORP·Filed 1984·Granted Mar 29, 1988·31 cites·7 claims
- 4373US4683578AAutomatic gain control using the extreme points of a constellationPARADYNE CORP·Filed 1985·Granted Jul 28, 1987·41 cites·3 claims
- 4472US6891896B1Embedded signal constellationsPARADYNE CORP·Filed 2001·Granted May 10, 2005·16 cites·27 claims
- 4572US6853695B1System and method for deriving symbol timingPARADYNE CORP·Filed 2000·Granted Feb 8, 2005·12 cites·19 claims
- 4671US5396519AMethod and apparatus for adaptively providing precoding and preemphasis conditioning to signal data for transfer over a communication channelAT & T CORP·Filed 1993·Granted Mar 7, 1995·61 cites·15 claims
- 4771US4631738AGain tracker for digital modemPARADYNE CORP·Filed 1984·Granted Dec 23, 1986·27 cites·4 claims
- 4870US6011814AAdaptive comb filter and decision feedback equalizer for noise suppressionPARADYNE CORP·Filed 1997·Granted Jan 4, 2000·69 cites·50 claims
- 4969US7031381B1Method and apparatus for reducing transmission errors caused by periodic transients in digital subscriber line (DSL) communication systemsPARADYNE CORP·Filed 2000·Granted Apr 18, 2006·9 cites·22 claims
- 5069US6993067B1Fractional bit rate encoding in a pulse amplitude modulation communication systemPARADYNE CORP·Filed 2001·Granted Jan 31, 2006·13 cites·33 claims
Showing the top 50 of 149 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →