Inventor · disambiguated record
Carl Robert Posthuma
Also filed as: POSTHUMA CARL R · POSTHUMA CARL ROBERT
27 granted patents·3 pending applications·811 citations·filing 1995–2008
97Inventor score
Top patents by PatentIndex Score
30 records- 0191US6496566B1Metallic testing of a subscriber loop that provides both voice and digital subscriber line servicesLUCENT TECHNOLOGIES INC·Filed 2000·Granted Dec 17, 2002·69 cites·20 claims
- 0290US7058174B2System and method for providing lifeline power service to digital subscriber line customersLUCENT TECHNOLOGIES INC·Filed 2004·Granted Jun 6, 2006·62 cites·8 claims
- 0389US6959184B1Method for determining the security status of transmissions in a telecommunications networkLUCENT TECHNOLOGIES INC·Filed 1999·Granted Oct 25, 2005·170 cites·14 claims
- 0488US6459773B1System to pre-qualify copper subscriber loops for high bandwidth access service using subscriber or network generated tonesLUCENT TECHNOLOGIES INC·Filed 2000·Granted Oct 1, 2002·51 cites·18 claims
- 0585US6694012B1System and method to provide control of music on hold to the hold partyLUCENT TECHNOLOGIES INC·Filed 1999·Granted Feb 17, 2004·109 cites·8 claims
- 0679US6898280B1Line card and method for supporting pots, asymmetric DSL and symmetric DSL servicesLUCENT TECHNOLOGIES INC·Filed 2000·Granted May 24, 2005·26 cites·24 claims
- 0773US6456694B1Method for prequalifying subscriber lines for high speed data serviceLUCENT TECHNOLOGIES INC·Filed 1999·Granted Sep 24, 2002·59 cites·14 claims
- 0872US6836509B1Dsl- compatible pots line cardLUCENT TECHNOLOGIES INC·Filed 2000·Granted Dec 28, 2004·10 cites·21 claims
- 0971US6748078B1System and method for allocating overhead voltage in the transmission of pots and XDSL signalsLUCENT TECHNOLOGIES INC·Filed 1999·Granted Jun 8, 2004·37 cites·24 claims
- 1066US6952417B1System and method for selectively providing data communications in an XDSL communication systemLUCENT TECHNOLOGIES INC·Filed 2000·Granted Oct 4, 2005·8 cites·14 claims
- 1166US6782078B1System to pre-qualify copper subscriber loops for high bandwidth access service using subscriber voice signalsLUCENT TECHNOLOGIES INC·Filed 2000·Granted Aug 24, 2004·8 cites·18 claims
- 1263US6072793AElectronically controlled main distributing frameLUCENT TECHNOLOGIES INC·Filed 1997·Granted Jun 6, 2000·41 cites·11 claims
- 1362US5673255AApparatus for providing service to telephone subscribers connected to a remote terminal from multiple telephone service providersLUCENT TECHNOLOGIES INC·Filed 1995·Granted Sep 30, 1997·26 cites·12 claims
- 1461US7676031B2Method and apparatus for selectively terminating current in a digital subscriber line (DSL) modemALCATEL LUCENT USA INC·Filed 2004·Granted Mar 9, 2010·6 cites·17 claims
- 1561US6694015B1Universal line interface in telecommunications systemLUCENT TECHNOLOGIES INC·Filed 2000·Granted Feb 17, 2004·5 cites·7 claims
- 1661US6349130B1Method to pre-qualify copper loops for ADSL serviceLUCENT TECHNOLOGIES INC·Filed 1998·Granted Feb 19, 2002·33 cites·35 claims
- 1761US6144659ATelecommunication equipment support of high speed data servicesLUCENT TECHNOLOGIES INC·Filed 1996·Granted Nov 7, 2000·38 cites·23 claims
- 1860US8830812B2Optimizing precoder settings using average SINR reports for groups of tonesASHIKHMIN ALEXEI E·Filed 2008·Granted Sep 9, 2014·2 cites·22 claims
- 1954US7039056B2High quality audio and video over digital subscriber lines (DSLs)LUCENT TECHNOLOGIES INC·Filed 2001·Granted May 2, 2006·4 cites·5 claims
- 2050US6229846B1Apparatus and method for implementing high speed modem communication supportLUCENT TECHNOLOGIES INC·Filed 1999·Granted May 8, 2001·19 cites·21 claims
- 2149US7027590B2Dynamic allocation of overhead voltage to support simultaneous transmission of signals on a telecommunication lineLUCENT TECHNOLOGIES INC·Filed 2003·Granted Apr 11, 2006·0 cites·13 claims
- 2248US7860044B2Methods and apparatus for providing synchronization in a multi-channel communication systemALCATEL LUCENT USA INC·Filed 2008·Granted Dec 28, 2010·0 cites·20 claims
- 2347US6925173B2Optimization of a DSL-compatible POTS line cardLUCENT TECHNOLOGIES INC·Filed 2002·Granted Aug 2, 2005·0 cites·20 claims
- 2446US6647024B1System and method for an all digital communication system with a life lineLUCENT TECHNOLOGIES INC·Filed 1999·Granted Nov 11, 2003·22 cites·22 claims
- 2544US7016474B2Reduced cost digital subscriber line (DSL) interface arrangementLUCENT TECHNOLOGIES INC·Filed 2002·Granted Mar 21, 2006·0 cites·4 claims
- 2643US7236484B2Methods and systems for providing wide-band voice service via a telephone switch systemLUCENT TECHNOLOGIES INC·Filed 2002·Granted Jun 26, 2007·0 cites·20 claims
- 2741US2003031239A1Maximizing DSL throughputFiled 2001·Application pending·0 cites
- 2840US6519253B1Telecommunication equipment support of ISDN communication lines for high speed data transmissionLUCENT TECHNOLOGIES INC·Filed 1999·Granted Feb 11, 2003·6 cites·15 claims
- 2940US2002141428A1Line card and method for supporting a plurality of telecommunication servicesFiled 2001·Application pending·0 cites
- 3034US2007263651A1Distributed dslam architectureNOVOTNY ROBERT A·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →