Inventor · disambiguated record
Richard G. Keegan
Also filed as: KEEGAN RICHARD · KEEGAN RICHARD G · KEEGAN RICHARD GERALD
49 granted patents·5 pending applications·1,301 citations·filing 1983–2023
98Inventor score
Top patents by PatentIndex Score
54 records- 0196US7961717B2System and methods for IP and VoIP device location determinationIPOSI INC·Filed 2006·Granted Jun 14, 2011·36 cites·94 claims
- 0296US4611293AMethod and apparatus for automatic calibration of magnetic compassMAGNAVOX CO·Filed 1983·Granted Sep 9, 1986·92 cites·24 claims
- 0394US9194936B1Determining location of a receiver with a multi-subcarrier signalDEERE & CO·Filed 2014·Granted Nov 24, 2015·23 cites·22 claims
- 0494US4972431AP-code-aided global positioning system receiverMAGNAVOX CO·Filed 1989·Granted Nov 20, 1990·118 cites·32 claims
- 0591US11671133B2Adaptive narrowband and wideband interference rejection for satellite navigation receiverDEERE & CO·Filed 2021·Granted Jun 6, 2023·3 cites·9 claims
- 0691US5986575AAutomatic determination of traffic signal preemption using GPS, apparatus and method3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Nov 16, 1999·226 cites·51 claims
- 0790US6243026B1Automatic determination of traffic signal preemption using GPS, apparatus and method3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Jun 5, 2001·135 cites·15 claims
- 0890US5926113AAutomatic determination of traffic signal preemption using differential GPSL & H CO INC·Filed 1995·Granted Jul 20, 1999·195 cites·18 claims
- 0990US5535278AGlobal positioning system (GPS) receiver for recovery and tracking of signals modulated with P-codeMAGNAVOX ELECTRONIC SYSTEMS·Filed 1994·Granted Jul 9, 1996·161 cites·29 claims
- 1088US10048385B2Satellite navigation receiver with fixed point sigma RHO filterDEERE & CO·Filed 2015·Granted Aug 14, 2018·8 cites·16 claims
- 1188US9184973B2Method and receiver for receiving a binary offset carrier composite signalDEERE & CO·Filed 2014·Granted Nov 10, 2015·7 cites·34 claims
- 1288US8154445B2System and method for frequency domain correction of global navigation satellite system pseudorance measurements in receivers having controlled reception pattern antennasMAENPA JON E·Filed 2010·Granted Apr 10, 2012·27 cites·11 claims
- 1387US6160841AMitigation of multipath effects in global positioning system receiversLEICA GEOSYSTEMS INC·Filed 1997·Granted Dec 12, 2000·92 cites·10 claims
- 1485US8781039B2Receiver and method for receiving a composite signalDEERE & CO·Filed 2012·Granted Jul 15, 2014·7 cites·27 claims
- 1584US9383430B2Determining location of a receiver with a multi-subcarrier signalDEERE & CO·Filed 2015·Granted Jul 5, 2016·4 cites·22 claims
- 1684US9379765B2Method and receiver for receiving a binary offset carrier composite signalDEERE & CO·Filed 2015·Granted Jun 28, 2016·4 cites·34 claims
- 1784US6670914B1RF system for rejection of L-band jamming in a GPS receiverRF MICRO DEVICES INC·Filed 2002·Granted Dec 30, 2003·27 cites·22 claims
- 1883US10969496B2RTK vector phase locked loop architectureDEERE & CO·Filed 2018·Granted Apr 6, 2021·4 cites·20 claims
- 1982US12153143B2Multi-constellation, multi-frequency GNSS system for interference mitigationDEERE & CO·Filed 2022·Granted Nov 26, 2024·1 cites·16 claims
- 2082US9319519B2Systems and methods for IP and VoIP device location determinationIPOSI INC·Filed 2014·Granted Apr 19, 2016·5 cites·19 claims
- 2178US9482740B2Determining location of a receiver with a multi-subcarrier signalDEERE & CO·Filed 2014·Granted Nov 1, 2016·4 cites·23 claims
- 2278US9310464B2Determining location of a receiver with a multi-subcarrier signalDEERE & CO·Filed 2014·Granted Apr 12, 2016·4 cites·14 claims
- 2378US9197478B2Method and receiver for receiving a composite signalDEERE & CO·Filed 2014·Granted Nov 24, 2015·3 cites·13 claims
- 2478US9191061B2Method and receiver for receiving a composite signalDEERE & CO·Filed 2014·Granted Nov 17, 2015·3 cites·29 claims
- 2578US8942157B2Receiver and method for receiving a composite signalDEERE & CO·Filed 2012·Granted Jan 27, 2015·5 cites·20 claims
- 2675US12009904B2Adaptive narrowband interference rejection for satellite navigation receiverDEERE & CO·Filed 2023·Granted Jun 11, 2024·0 cites·8 claims
- 2774US10859709B2Satellite navigation receiver with fixed point sigma rho filterDEERE & CO·Filed 2018·Granted Dec 8, 2020·2 cites·16 claims
- 2874US9661134B2Systems and methods for IP and VoIP device location determinationIPOSI INC·Filed 2013·Granted May 23, 2017·3 cites·16 claims
- 2973US8867531B2Systems and methods for IP and VoIP device location determinationLEE RICHARD M·Filed 2011·Granted Oct 21, 2014·3 cites·3 claims
- 3072US11764862B2Adaptive narrowband interference rejection for satellite navigation receiverDEERE & CO·Filed 2021·Granted Sep 19, 2023·0 cites·7 claims
- 3172US11750274B2Adaptive narrowband interference rejection for satellite navigation receiverDEERE & CO·Filed 2021·Granted Sep 5, 2023·0 cites·24 claims
- 3270US9048964B2Receiver and method for receiving a composite signalDEERE & CO·Filed 2012·Granted Jun 2, 2015·4 cites·27 claims
- 3367US11719830B2RTK vector phase locked loop architectureDEERE & CO·Filed 2021·Granted Aug 8, 2023·0 cites·32 claims
- 3467US9261576B2Navigation using range measurements to OFDM transmittersDEERE & CO·Filed 2013·Granted Feb 16, 2016·3 cites·24 claims
- 3567US8837653B2High frequency signal receiver with self-calibrated group delay compensationDEERE & CO·Filed 2013·Granted Sep 16, 2014·2 cites·23 claims
- 3667US5040240AReceiver architecture for use with a global positioning systemMAGNAVOX CO·Filed 1989·Granted Aug 13, 1991·26 cites·5 claims
- 3764US11630217B2Methods and devices for global navigation satellite system (GNSS) signal acquisitionDEERE & CO·Filed 2020·Granted Apr 18, 2023·0 cites·20 claims
- 3864US7133480B2Method and apparatus for processing digitally sampled signals at a resolution finer than that of a sampling clockLEICA GEOSYSTEMS INC·Filed 2001·Granted Nov 7, 2006·16 cites·26 claims
- 3963US9036682B2Phase multi-path mitigationDEERE & CO·Filed 2014·Granted May 19, 2015·2 cites·23 claims
- 4061US7453925B2Phase multi-path mitigationNAVCOM TECH INC·Filed 2004·Granted Nov 18, 2008·22 cites·48 claims
- 4160US8837654B2Signal receiver with group delay and amplitude distortion compensationDEERE & CO·Filed 2013·Granted Sep 16, 2014·1 cites·24 claims
- 4260US7495610B1System and method for decimating global positioning system signalsRF MICRO DEVICES INC·Filed 2005·Granted Feb 24, 2009·4 cites·21 claims
- 4357US7099406B2Alias sampling for IF-to-baseband conversion in a GPS receiverRF MICRO DEVICES INC·Filed 2002·Granted Aug 29, 2006·13 cites·31 claims
- 4457US2023213658A1Aggregated Vector and Clock Tracking in a GNSS ReceiverDEERE & CO·Filed 2022·Application pending·0 cites
- 4556US12379508B2Satellite navigation receiver with aggregate channel digital baseband processingDEERE & CO·Filed 2022·Granted Aug 5, 2025·0 cites·24 claims
- 4655US8195200B2Locating system and methodMOHI NORMAN·Filed 2006·Granted Jun 5, 2012·4 cites·8 claims
- 4755US2022276389A1Satellite navigation receiver for acquisition of gnss signalsDEERE & CO·Filed 2022·Application pending·0 cites
- 4853US2016381218A1Systems and methods for ip and voip device location determinationIPOSI INC·Filed 2016·Application pending·0 cites
- 4949US12066551B2Multi-constellation, multi-frequency GNSS system for interference mitigationDEERE & CO·Filed 2022·Granted Aug 20, 2024·0 cites·17 claims
- 5048US11742883B2Adaptive narrowband interference rejection for satellite navigation receiverDEERE & CO·Filed 2021·Granted Aug 29, 2023·0 cites·19 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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