Inventor · disambiguated record
Daniel J. Marchok
Also filed as: MARCHOK DANIEL · MARCHOK DANIEL J
55 granted patents·6 pending applications·2,330 citations·filing 1996–2015
99Inventor score
Top patents by PatentIndex Score
61 records- 0198US6795424B1Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systemsTELLABS OPERATIONS INC·Filed 1998·Granted Sep 21, 2004·279 cites·41 claims
- 0298US6522746B1Synchronization of voice boundaries and their use by echo cancellers in a voice processing systemTELLABS OPERATIONS INC·Filed 2000·Granted Feb 18, 2003·204 cites·31 claims
- 0396US8934457B2Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systemsKAPOOR SAMIR·Filed 2011·Granted Jan 13, 2015·27 cites·20 claims
- 0495US6766292B1Relative noise ratio weighting techniques for adaptive noise cancellationTELLABS OPERATIONS INC·Filed 2000·Granted Jul 20, 2004·167 cites·44 claims
- 0595US6526140B1Consolidated voice activity detection and noise estimationTELLABS OPERATIONS INC·Filed 2000·Granted Feb 25, 2003·104 cites·36 claims
- 0694US6628651B1Communication switching techniques with improved frame formatTELLABS OPERATIONS INC·Filed 2000·Granted Sep 30, 2003·63 cites·34 claims
- 0793US6591234B1Method and apparatus for adaptively suppressing noiseTELLABS OPERATIONS INC·Filed 2000·Granted Jul 8, 2003·87 cites·25 claims
- 0891US6526139B1Consolidated noise injection in a voice processing systemTELLABS OPERATIONS INC·Filed 2000·Granted Feb 25, 2003·70 cites·17 claims
- 0991US6523003B1Spectrally interdependent gain adjustment techniquesTELLABS OPERATIONS INC·Filed 2000·Granted Feb 18, 2003·79 cites·16 claims
- 1089US6771590B1Communication system clock synchronization techniquesTELLABS OPERATIONS INC·Filed 2000·Granted Aug 3, 2004·37 cites·102 claims
- 1188US7613102B2Apparatus and method for clock synchronization in a multi-point OFDM/DMT digital communications systemTELLABS OPERATIONS INC·Filed 2007·Granted Nov 3, 2009·11 cites·20 claims
- 1288US7430242B2Spectrally constrained impulse shortening filter for a discrete multi-tone receiverTELLABS OPERATIONS INC·Filed 2007·Granted Sep 30, 2008·11 cites·14 claims
- 1386US7236586B2Synchronization of echo cancellers in a voice processing systemTELLABS OPERATIONS INC·Filed 2005·Granted Jun 26, 2007·12 cites·19 claims
- 1486US6671667B1Speech presence measurement detection techniquesTELLABS OPERATIONS INC·Filed 2000·Granted Dec 30, 2003·51 cites·24 claims
- 1586US6631175B2Spectrally constrained impulse shortening filter for a discrete multi-tone receiverTELLABS OPERATIONS INC·Filed 1998·Granted Oct 7, 2003·112 cites·24 claims
- 1685US8050288B2Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systemsTELLABS OPERATIONS INC·Filed 2001·Granted Nov 1, 2011·21 cites·22 claims
- 1785US7424424B2Communication system noise cancellation power signal calculation techniquesTELLABS OPERATIONS INC·Filed 2006·Granted Sep 9, 2008·13 cites·18 claims
- 1885US7362811B2Audio enhancement communication techniquesTELLABS OPERATIONS INC·Filed 2006·Granted Apr 22, 2008·16 cites·22 claims
- 1985US6529868B1Communication system noise cancellation power signal calculation techniquesTELLABS OPERATIONS INC·Filed 2000·Granted Mar 4, 2003·35 cites·30 claims
- 2085US6141317AApparatus and method for bandwidth management in a multi-point OFDM/DMT digital communications systemTELLABS OPERATIONS INC·Filed 1997·Granted Oct 31, 2000·141 cites·24 claims
- 2183US6912194B1Digital communication transmission techniquesTELLABS OPERATIONS INC·Filed 2000·Granted Jun 28, 2005·25 cites·42 claims
- 2282US7003097B2Synchronization of echo cancellers in a voice processing systemTELLABS OPERATIONS INC·Filed 2002·Granted Feb 21, 2006·23 cites·9 claims
- 2382US6473394B1Apparatus and method for bandwidth management in a multi-point OFDM/DMT digital communications systemTELLABS OPERATIONS INC·Filed 2000·Granted Oct 29, 2002·34 cites·27 claims
- 2480US7898935B2OFDM/DMT/digital communications system including partial sequence symbol processingTELLABS OPERATIONS INC·Filed 2007·Granted Mar 1, 2011·5 cites·17 claims
- 2580US7096182B2Communication system noise cancellation power signal calculation techniquesTELLABS OPERATIONS INC·Filed 2003·Granted Aug 22, 2006·23 cites·30 claims
- 2680US7039181B2Consolidated voice activity detection and noise estimationTELLABS OPERATIONS INC·Filed 2002·Granted May 2, 2006·19 cites·20 claims
- 2780US6526105B1Time domain equalization for discrete multi-tone systemsTELLABS OPERATIONS INC·Filed 1999·Granted Feb 25, 2003·101 cites·28 claims
- 2878US7616553B2Apparatus and method for clock synchronization in a multi-point OFDM/DMT digital communications systemTELLABS OPERATIONS INC·Filed 2004·Granted Nov 10, 2009·15 cites·20 claims
- 2978US7366294B2Communication system tonal component maintenance techniquesTELLABS OPERATIONS INC·Filed 2005·Granted Apr 29, 2008·8 cites·32 claims
- 3077US7158572B2Audio enhancement communication techniquesTELLABS OPERATIONS INC·Filed 2002·Granted Jan 2, 2007·24 cites·119 claims
- 3176US6950388B2Apparatus and method for symbol alignment in a multi-point OFDM/DMT digital communications systemTELLABS OPERATIONS INC·Filed 2001·Granted Sep 27, 2005·20 cites·8 claims
- 3275US7254178B2Spectrally constrained impulse shortening filter for a discrete multi-tone receiverTELLABS OPERATIONS INC·Filed 2003·Granted Aug 7, 2007·12 cites·8 claims
- 3374US8243583B2OFDM/DMT/digital communications system including partial sequence symbol processingMARCHOK DANIEL J·Filed 2011·Granted Aug 14, 2012·2 cites·21 claims
- 3474US5912920APoint-to multipoint digital communications system facilitating use of a reduced complexity receiver at each of the multipoint sitesFiled 1997·Granted Jun 15, 1999·82 cites·30 claims
- 3573US8315299B2Time-domain equalization for discrete multi-tone systemsHARIKUMAR GOPAL·Filed 2011·Granted Nov 20, 2012·3 cites·22 claims
- 3671US5790514AMulti-point OFDM/DMT digital communications system including remote service unit with improved receiver architectureTELLABS OPERATIONS INC·Filed 1996·Granted Aug 4, 1998·59 cites·20 claims
- 3770US6118758AMulti-point OFDM/DMT digital communications system including remote service unit with improved transmitter architectureTELLABS OPERATIONS INC·Filed 1996·Granted Sep 12, 2000·46 cites·82 claims
- 3869US6785328B2Time domain equalization for discrete multi-tone systemsTELLABS OPERATIONS INC·Filed 2002·Granted Aug 31, 2004·12 cites·2 claims
- 3969US5995483AApparatus and method for upstream clock synchronization in a multi-point OFDM/DMT digital communication systemTELLABS OPERATIONS INC·Filed 1997·Granted Nov 30, 1999·60 cites·19 claims
- 4068US6285654B1Apparatus and method for symbol alignment in a multi-point OFDM or DMT digital communications systemTELLABS OPERATIONS INC·Filed 1997·Granted Sep 4, 2001·63 cites·46 claims
- 4167US7916801B2Time-domain equalization for discrete multi-tone systemsTELLABS OPERATIONS INC·Filed 2008·Granted Mar 29, 2011·2 cites·14 claims
- 4266US6122246AApparatus and method for clock synchronization in a multi-point OFDM/DMT digital communications systemTELLABS OPERATIONS INC·Filed 1997·Granted Sep 19, 2000·59 cites·37 claims
- 4365US6839666B2Spectrally interdependent gain adjustment techniquesTELLABS OPERATIONS INC·Filed 2002·Granted Jan 4, 2005·10 cites·22 claims
- 4463US8139471B2Apparatus and method for clock synchronization in a multi-point OFDM/DMT digital communications systemMARCHOK DANIEL J·Filed 2009·Granted Mar 20, 2012·1 cites·30 claims
- 4563US7440498B2Time domain equalization for discrete multi-tone systemsTELLABS OPERATIONS INC·Filed 2004·Granted Oct 21, 2008·6 cites·22 claims
- 4662US8031861B2Communication system tonal component maintenance techniquesTELLABS OPERATIONS INC·Filed 2008·Granted Oct 4, 2011·2 cites·21 claims
- 4759US7957965B2Communication system noise cancellation power signal calculation techniquesTELLABS OPERATIONS INC·Filed 2008·Granted Jun 7, 2011·1 cites·20 claims
- 4859US6804192B1OFDM/DMT digital communications system including partial sequence symbol processingTELLABS OPERATIONS INC·Filed 1999·Granted Oct 12, 2004·24 cites·21 claims
- 4954US6690680B1Communication system signal synchronization techniquesTELLABS OPERATIONS INC·Filed 1999·Granted Feb 10, 2004·26 cites·30 claims
- 5053US8665859B2Apparatus and method for clock synchronization in a multi-point OFDM/DMT digital communications systemMARCHOK DANIEL J·Filed 2012·Granted Mar 4, 2014·0 cites·20 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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