Inventor · disambiguated record
Charles R. Cahn
Also filed as: CAHN CHARLES R · CAHN CHARLES ROBERT
28 granted patents·2 pending applications·1,362 citations·filing 1994–2015
98Inventor score
Top patents by PatentIndex Score
30 records- 0196US6400753B1Pseudo-noise correlator for a GPS spread spectrum receiverSIRF TECH INC·Filed 2000·Granted Jun 4, 2002·86 cites·23 claims
- 0294US6633814B2GPS system for navigating a vehicleSIRF TECH INC·Filed 2000·Granted Oct 14, 2003·57 cites·22 claims
- 0393US6047017ASpread spectrum receiver with multi-path cancellationFiled 1997·Granted Apr 4, 2000·216 cites·19 claims
- 0492US6917644B2Spread spectrum receiver with multi-path correctionSIRF TECH INC·Filed 2000·Granted Jul 12, 2005·58 cites·10 claims
- 0592US6486828B1Adaptive array antenna nullingWESTERN MULTIPLEX·Filed 2000·Granted Nov 26, 2002·151 cites·80 claims
- 0691US9197282B2Phase-optimized constant envelope transmission (POCET) method, apparatus and systemAEROSPACE CORP·Filed 2014·Granted Nov 24, 2015·10 cites·36 claims
- 0791US7860145B2Adaptive code generator for satellite navigation receiversNAVCOM TECH INC·Filed 2006·Granted Dec 28, 2010·21 cites·28 claims
- 0891US6466612B2Multipath processing for GPS receiversSIRF TECH INC·Filed 2001·Granted Oct 15, 2002·63 cites·20 claims
- 0991US6249542B1Multipath processing for GPS receiversSIRF TECH INC·Filed 1998·Granted Jun 19, 2001·77 cites·16 claims
- 1090US7912158B2Sampling threshold and gain for satellite navigation receiverNAVCOM TECH INC·Filed 2005·Granted Mar 22, 2011·19 cites·24 claims
- 1190US6282231B1Strong signal cancellation to enhance processing of weak spread spectrum signalSIRF TECH INC·Filed 1999·Granted Aug 28, 2001·133 cites·17 claims
- 1290US5535278AGlobal 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
- 1388US8774315B2Phase-optimized constant envelope transmission (POCET) method, apparatus and systemCAHN CHARLES ROBERT·Filed 2009·Granted Jul 8, 2014·24 cites·54 claims
- 1488US8243772B2Adaptive code generator for satellite navigation receiversKNIGHT JERRY EUGENE·Filed 2010·Granted Aug 14, 2012·11 cites·34 claims
- 1587US6160841AMitigation of multipath effects in global positioning system receiversLEICA GEOSYSTEMS INC·Filed 1997·Granted Dec 12, 2000·92 cites·10 claims
- 1685US6198765B1Spread spectrum receiver with multi-path correctionSIRF TECH INC·Filed 1997·Granted Mar 6, 2001·82 cites·14 claims
- 1780US6724811B2Pseudo-noise correlator for GPS spread-spectrum receiverSIRF TECH INC·Filed 2002·Granted Apr 20, 2004·28 cites·19 claims
- 1879US7301992B2Multipath processing for GPS receiversSIRF TECH INC·Filed 2004·Granted Nov 27, 2007·12 cites·14 claims
- 1976US6760364B2Multipath processing for GPS receiversSIRF TECH INC·Filed 2002·Granted Jul 6, 2004·22 cites·12 claims
- 2067US9413419B2Phase-optimized constant envelope transmission (POCET) method, apparatus and systemAEROSPACE CORP·Filed 2015·Granted Aug 9, 2016·1 cites·36 claims
- 2167US7116704B2Strong signal cancellation to enhance processing of weak spread spectrum signalSIRF TECH INC·Filed 2003·Granted Oct 3, 2006·17 cites·6 claims
- 2265US7630458B2Phase sampling techniques using amplitude bits for digital receiversSIRF TECH INC·Filed 2006·Granted Dec 8, 2009·2 cites·20 claims
- 2362US8290075B2Apparatus and method for tracking symbol timing of OFDM modulation in a multi-path channelCAHN CHARLES ROBERT·Filed 2010·Granted Oct 16, 2012·1 cites·13 claims
- 2460US7813454B2Apparatus and method for tracking symbol timing of OFDM modulation in a multi-path channelSIRF TECH INC·Filed 2006·Granted Oct 12, 2010·1 cites·16 claims
- 2557US7729413B2Spread spectrum receiver with multi-bit correlatorSIRF TECH INC·Filed 2004·Granted Jun 1, 2010·7 cites·24 claims
- 2650US6707843B2Strong signal cancellation to enhance processing of weak spread spectrum signalFiled 2001·Granted Mar 16, 2004·6 cites·9 claims
- 2746US7406114B2Pseudo-noise correlator for GPS spread-spectrum receiverSIRF TECH INC·Filed 2003·Granted Jul 29, 2008·3 cites·12 claims
- 2840US7113552B1Phase sampling techniques using amplitude bits for digital receiversSIRF TECH INC·Filed 2001·Granted Sep 26, 2006·1 cites·8 claims
- 2939US2008205493A1Multipath Processing for GPS ReceiversKOHLI SANJAI·Filed 2007·Application pending·0 cites
- 3037US2003021271A1Hybrid wireless communication systemFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →