Inventor · disambiguated record
Charles P. Norman
Also filed as: NORMAN CHARLES · NORMAN CHARLES P
33 granted patents·1 pending application·1,058 citations·filing 1999–2014
98Inventor score
Top patents by PatentIndex Score
34 records- 0199US6680695B2Communications system that reduces auto-correlation or cross-correlation in weak signalsSIRF TECH INC·Filed 2001·Granted Jan 20, 2004·168 cites·20 claims
- 0298US6529829B2Dead reckoning system for reducing auto-correlation or cross-correlation in weak signalsSIRF TECH INC·Filed 2001·Granted Mar 4, 2003·208 cites·20 claims
- 0396US6738013B2Generic satellite positioning system receivers with selective inputs and outputsSIRF TECH INC·Filed 2002·Granted May 18, 2004·149 cites·19 claims
- 0495US6747596B2Generic satellite positioning system receivers with programmable inputsSIRF TECH INC·Filed 2002·Granted Jun 8, 2004·151 cites·19 claims
- 0590US6282231B1Strong signal cancellation to enhance processing of weak spread spectrum signalSIRF TECH INC·Filed 1999·Granted Aug 28, 2001·133 cites·17 claims
- 0689US6707423B2Location services system that reduces auto-correlation or cross-correlation in weak signalsSIRF TECH INC·Filed 2002·Granted Mar 16, 2004·45 cites·20 claims
- 0785US8138972B2Signal processing system for satellite positioning signalsUNDERBRINK PAUL A·Filed 2004·Granted Mar 20, 2012·40 cites·51 claims
- 0884US9869770B2Control and features for satellite positioning system receiversCSR TECH INC·Filed 2014·Granted Jan 16, 2018·5 cites·15 claims
- 0984US6466161B2Location services system that reduces auto-correlation or cross-correlation in weak signalsSIRF TECH INC·Filed 2001·Granted Oct 15, 2002·33 cites·20 claims
- 1083US8593345B2Signal processing system for satellite positioning signalsUNDERBRINK PAUL A·Filed 2012·Granted Nov 26, 2013·6 cites·23 claims
- 1179US7106786B2Method for reducing auto-correlation or cross-correlation in weak signalsSIRF TECH INC·Filed 2001·Granted Sep 12, 2006·10 cites·19 claims
- 1273US7822105B2Cross-correlation removal of carrier wave jamming signalsSIRF TECH INC·Filed 2003·Granted Oct 26, 2010·10 cites·21 claims
- 1368US7365680B2Location services system that reduces auto-correlation or cross-correlation in weak signalsSIRF TECH INC·Filed 2006·Granted Apr 29, 2008·6 cites·20 claims
- 1467US7116704B2Strong signal cancellation to enhance processing of weak spread spectrum signalSIRF TECH INC·Filed 2003·Granted Oct 3, 2006·17 cites·6 claims
- 1567US7026986B2Location services system that reduces auto-correlation or cross-correlation in weak signalsSIRF TECH INC·Filed 2004·Granted Apr 11, 2006·11 cites·20 claims
- 1665US7630458B2Phase sampling techniques using amplitude bits for digital receiversSIRF TECH INC·Filed 2006·Granted Dec 8, 2009·2 cites·20 claims
- 1764US8947300B2Control and features for satellite positioning system receiversCHANSARKAR MANGESH·Filed 2011·Granted Feb 3, 2015·1 cites·6 claims
- 1861US7724807B2Method for reducing auto-correlation or cross-correlation in weak signalsSIRF TECHNOLOGY·Filed 2006·Granted May 25, 2010·2 cites·10 claims
- 1961US7719466B2Communications systems that reduces auto-correlation or cross-correlation in weak signalsSIRF TECHNOLOGY HOLDINGS INC·Filed 2007·Granted May 18, 2010·2 cites·19 claims
- 2059US7197305B2Apparatus for reducing auto-correlation or cross-correlation in weak CDMA signalsSIRF TECH INC·Filed 2001·Granted Mar 27, 2007·7 cites·20 claims
- 2157US7508340B2Generic Satellite Positioning System receivers with selectable inputs and outputsSIRF TECH INC·Filed 2006·Granted Mar 24, 2009·2 cites·20 claims
- 2257US7183972B2Communications system that reduces auto-correlation or cross-correlation in weak signalsSIRF TECH INC·Filed 2003·Granted Feb 27, 2007·6 cites·19 claims
- 2356US7246011B2Combined parallel and sequential detection for GPS signal acquisitionSIRF TECH INC·Filed 2006·Granted Jul 17, 2007·2 cites·10 claims
- 2453US7151485B2Generic satellite positioning system receivers with selectable inputs and outputsSIRF TECH INC·Filed 2004·Granted Dec 19, 2006·7 cites·19 claims
- 2550US6707843B2Strong signal cancellation to enhance processing of weak spread spectrum signalFiled 2001·Granted Mar 16, 2004·6 cites·9 claims
- 2649US7127351B2Combined parallel and sequential detection for GPS signal acquisitionSIRF TECH INC·Filed 2001·Granted Oct 24, 2006·6 cites·23 claims
- 2745US7545319B2Configurable satellite positioning system receivers with programmable inputsSIRF TECH INC·Filed 2003·Granted Jun 9, 2009·5 cites·20 claims
- 2845US7545850B1Analog compression of GPS C/A signal to audio bandwidthSIRF TECH INC·Filed 2001·Granted Jun 9, 2009·4 cites·10 claims
- 2944US7436907B1Analog compression of GPS C/A signal to audio bandwidthSIRF TECH INC·Filed 2001·Granted Oct 14, 2008·3 cites·10 claims
- 3043US8013787B2Control and features for satellite positioning system receiversSIRF TECH INC·Filed 2004·Granted Sep 6, 2011·3 cites·20 claims
- 3143US2008015776A1Combined Parallel and Sequential Detection for GPS Signal AcquisitionNORMAN CHARLES P·Filed 2007·Application pending·0 cites
- 3240US7747236B1Method and apparatus for estimating local oscillator frequency for GPS receiversSIRF TECH INC·Filed 2001·Granted Jun 29, 2010·6 cites·15 claims
- 3340US7113552B1Phase sampling techniques using amplitude bits for digital receiversSIRF TECH INC·Filed 2001·Granted Sep 26, 2006·1 cites·8 claims
- 3439US7132978B2Generic satellite positioning system receivers with programmable inputsSIRF TECH INC·Filed 2004·Granted Nov 7, 2006·1 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →