Inventor · disambiguated record
Leslie Derek Humphrey
Also filed as: HUMPHREY LESLIE · HUMPHREY LESLIE D · HUMPHREY LESLIE DEREK
41 granted patents·1 pending application·794 citations·filing 1996–2019
98Inventor score
Files withBRITISH TELECOMM19NORTEL NETWORKS LTD16HUMPHREY LESLIE DEREK3COOPER IAN ROBERT1CRAFTMADE INT INC1
Top patents by PatentIndex Score
42 records- 0190US10193594B2Method and apparatus for transmitting and receiving signals over pairs of wiresBRITISH TELECOMM·Filed 2015·Granted Jan 29, 2019·12 cites·9 claims
- 0289US10097236B2Method and apparatus for transmitting data in differential and phantom mode in vectoring DSLBRITISH TELECOMM·Filed 2016·Granted Oct 9, 2018·8 cites·14 claims
- 0388US10069617B2Method and apparatus for transmitting data from a transmitter device to a plurality of receiver devicesBRITISH TELECOMM·Filed 2016·Granted Sep 4, 2018·9 cites·15 claims
- 0487US6130918AMethod and apparatus for reducing the peak-to-average ratio in a multicarrier communication systemNORTEL NETWORKS LTD·Filed 1997·Granted Oct 10, 2000·184 cites·42 claims
- 0584US8588285B2Method and apparatus for operating a digital subscriber line arrangementHUMPHREY LESLIE DEREK·Filed 2011·Granted Nov 19, 2013·10 cites·14 claims
- 0680US10305716B2Method and apparatus for transmitting and receiving signals over two pairs of wiresBRITISH TELECOMM·Filed 2016·Granted May 28, 2019·4 cites·8 claims
- 0780US9001974B2System for providing telephony and data servicesHUMPHREY LESLIE DEREK·Filed 2011·Granted Apr 7, 2015·6 cites·8 claims
- 0878US10091022B2Creating a channel for transmitting data of a digital subscriber lineBRITISH TELECOMM·Filed 2015·Granted Oct 2, 2018·4 cites·14 claims
- 0978US6396853B1Providing data services to telecommunications user terminalsNORTEL NETWORKS LTD·Filed 1998·Granted May 28, 2002·105 cites·12 claims
- 1077US10110755B2Method and apparatus for use in supplying power over a telephone lineBRITISH TELECOMM·Filed 2014·Granted Oct 23, 2018·4 cites·8 claims
- 1175US9300815B2Power backup systemCOOPER IAN ROBERT·Filed 2009·Granted Mar 29, 2016·6 cites·11 claims
- 1273US6650697B1Wireline communication system and method of frequency allocation thereinNORTEL NETWORKS LTD·Filed 1999·Granted Nov 18, 2003·80 cites·19 claims
- 1373US6560225B1Enhanced performance VoDSLNORTEL NETWORKS LTD·Filed 1999·Granted May 6, 2003·81 cites·30 claims
- 1472US11201969B2Method and apparatus for operating a digital subscriber line arrangementBRITISH TELECOMM·Filed 2017·Granted Dec 14, 2021·2 cites·14 claims
- 1570US9479223B2Method and apparatus in a communications networkBRITISH TELECOMM·Filed 2014·Granted Oct 25, 2016·2 cites·17 claims
- 1670US8442149B2Method for adapting digital data transmission parameters to measured repetitive noiseHUMPHREY LESLIE D·Filed 2006·Granted May 14, 2013·6 cites·8 claims
- 1769US11838069B2Method and apparatus for transmitting data in a communication systemBRITISH TELECOMM·Filed 2019·Granted Dec 5, 2023·2 cites·14 claims
- 1868US6477249B1Communications signal splitter and filterNORTEL NETWORKS LTD·Filed 1998·Granted Nov 5, 2002·47 cites·17 claims
- 1967US9025744B2System for providing telephony and data servicesHUMPHREY LESLIE DEREK·Filed 2011·Granted May 5, 2015·2 cites·7 claims
- 2064US10855373B2Fibre network proxyBRITISH TELECOMM·Filed 2014·Granted Dec 1, 2020·2 cites·2 claims
- 2158US6353636B1Symbol alignment methodNORTEL NETWORKS LTD·Filed 1998·Granted Mar 5, 2002·39 cites·23 claims
- 2257US6563827B1Distribution networkNORTEL NETWORKS LTD·Filed 1997·Granted May 13, 2003·36 cites·7 claims
- 2356US6434154B1TDM/TDMA distribution networkNORTEL NETWORKS LTD·Filed 1998·Granted Aug 13, 2002·35 cites·7 claims
- 2451US7075935B1Engineering operations channel provisionNORTEL NETWORKS LTD·Filed 1999·Granted Jul 11, 2006·12 cites·18 claims
- 2549US10680843B2Network nodeBRITISH TELECOMM·Filed 2017·Granted Jun 9, 2020·0 cites·6 claims
- 2649US6522647B1Enhanced VoDSL service provisionNORTEL NETWORKS LTD·Filed 1999·Granted Feb 18, 2003·11 cites·24 claims
- 2748US7564895B2Method and apparatus for monitoring channel frequency responseNORTEL NETWORKS LTD·Filed 2001·Granted Jul 21, 2009·3 cites·26 claims
- 2847US5959967ADigital transmission systemNORTHERN TELECOM LTD·Filed 1996·Granted Sep 28, 1999·24 cites·7 claims
- 2946US6526058B1VODSL service provisionNORTEL NETWORKS LTD·Filed 1999·Granted Feb 25, 2003·9 cites·29 claims
- 3045US11159230B2Digital subscriber line transceiverBRITISH TELECOMM·Filed 2018·Granted Oct 26, 2021·0 cites·14 claims
- 3145US10958996B2Telecommunications access networkBRITISH TELECOMM·Filed 2017·Granted Mar 23, 2021·0 cites·6 claims
- 3245US6577650B1Method of setting-up and controlling synchronization within a modemNORTEL NETWORKS LTD·Filed 1999·Granted Jun 10, 2003·19 cites·11 claims
- 3344US11005527B2Method and apparatus for transmitting signals over wire connectionsBRITISH TELECOMM·Filed 2018·Granted May 11, 2021·0 cites·20 claims
- 3444US6990105B1Transporting multiprotocol datagramsNORTEL NETWORKS LTD·Filed 1998·Granted Jan 24, 2006·17 cites·84 claims
- 3542US10998933B2Method and apparatus for transmitting signals over wire connectionsBRITISH TELECOMM·Filed 2018·Granted May 4, 2021·0 cites·20 claims
- 3642US10771110B2Method and apparatus for operating a digital subscriber line arrangementBRITISH TELECOMM·Filed 2017·Granted Sep 8, 2020·0 cites·15 claims
- 3741US2003137837A1Dual source lighting fixtureCRAFTMADE INT INC·Filed 2002·Application pending·0 cites
- 3840US11006002B2Method and apparatus for transmitting data from a transmitter device to one or more receiver devicesBRITISH TELECOMM·Filed 2017·Granted May 11, 2021·0 cites·4 claims
- 3939US10237125B2Dynamic line management systemBRITISH TELECOMM·Filed 2015·Granted Mar 19, 2019·0 cites·15 claims
- 4039US6449261B1Time division duplexed multicarrier transmissionNORTEL NETWORKS LTD·Filed 1997·Granted Sep 10, 2002·11 cites·14 claims
- 4138US10944445B2Method and apparatus for transmitting data over a plurality of pairs of wiresBRITISH TELECOMM·Filed 2017·Granted Mar 9, 2021·0 cites·10 claims
- 4231US6483914B1Telephone filter arrangementNORTEL NETWORKS LTD·Filed 1999·Granted Nov 19, 2002·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →