Assignee
NAVCOM TECH INC
US·38 granted patents·1,521 citations·filing 1998–2013
Top patents by PatentIndex Score
38 records- 0194US7961143B2Partial search carrier-phase integer ambiguity resolutionNAVCOM TECH INC·Filed 2008·Granted Jun 14, 2011·54 cites·36 claims
- 0294US7330153B2Multi-band inverted-L antennaNAVCOM TECH INC·Filed 2006·Granted Feb 12, 2008·60 cites·21 claims
- 0391US8035552B2Distance dependant error mitigation in real-time kinematic (RTK) positioningNAVCOM TECH INC·Filed 2008·Granted Oct 11, 2011·35 cites·39 claims
- 0491US7860145B2Adaptive code generator for satellite navigation receiversNAVCOM TECH INC·Filed 2006·Granted Dec 28, 2010·21 cites·28 claims
- 0590US7912158B2Sampling threshold and gain for satellite navigation receiverNAVCOM TECH INC·Filed 2005·Granted Mar 22, 2011·19 cites·24 claims
- 0690US7511661B2Method for combined use of a local positioning system, a local RTK system, and a regional, wide-area, or global carrier-phase positioning systemNAVCOM TECH INC·Filed 2006·Granted Mar 31, 2009·34 cites·17 claims
- 0790US6753810B1Fast ambiguity resolution for real time kinematic survey and navigationNAVCOM TECH INC·Filed 2003·Granted Jun 22, 2004·96 cites·20 claims
- 0888US7961141B2Methods and systems to increase accuracy in the navigation of single frequency receiversNAVCOM TECH INC·Filed 2008·Granted Jun 14, 2011·41 cites·16 claims
- 0988US6687609B2Mobile-trailer tracking system and methodNAVCOM TECH INC·Filed 2002·Granted Feb 3, 2004·254 cites·31 claims
- 1088US6342867B1Nested turnstile antennaNAVCOM TECH INC·Filed 2000·Granted Jan 29, 2002·67 cites·22 claims
- 1187US7679555B2Navigation receiver and method for combined use of a standard RTK system and a global carrier-phase differential positioning systemNAVCOM TECH INC·Filed 2008·Granted Mar 16, 2010·27 cites·29 claims
- 1286US7248211B2Moving reference receiver for RTK navigationNAVCOM TECH INC·Filed 2004·Granted Jul 24, 2007·62 cites·19 claims
- 1385US6864836B1Method for receiver autonomous integrity monitoring and fault detection and eliminationNAVCOM TECH INC·Filed 2003·Granted Mar 8, 2005·64 cites·47 claims
- 1484US8766848B2Method and system for estimating position using dual real time kinematic enginesNAVCOM TECH INC·Filed 2013·Granted Jul 1, 2014·11 cites·17 claims
- 1584US7385551B2Polarization sensitive synthetic aperture radar system and method for local positioningNAVCOM TECH INC·Filed 2005·Granted Jun 10, 2008·18 cites·15 claims
- 1683US7071870B2Method for combined use of local positioning system and a global positioning systemNAVCOM TECH INC·Filed 2005·Granted Jul 4, 2006·17 cites·18 claims
- 1782US7427950B2Method for increasing the reliability of position information when transitioning from a regional, wide-area, or global carrier-phase differential navigation (WADGPS) to a local real-time kinematic (RTK) navigation systemNAVCOM TECH INC·Filed 2006·Granted Sep 23, 2008·17 cites·22 claims
- 1881US7117417B2Method for generating clock corrections for a wide-area or global differential GPS systemNAVCOM TECH INC·Filed 2003·Granted Oct 3, 2006·47 cites·25 claims
- 1981US6674687B2System and method for navigation using two-way ultrasonic positioningNAVCOM TECH INC·Filed 2002·Granted Jan 6, 2004·51 cites·55 claims
- 2081US6430212B1Spread-spectrum GMSK/M-ary radioNAVCOM TECH INC·Filed 2000·Granted Aug 6, 2002·33 cites·47 claims
- 2180US7466262B2Positioning system with a sparse antenna arrayNAVCOM TECH INC·Filed 2005·Granted Dec 16, 2008·16 cites·13 claims
- 2280US7315275B2Positioning system with intentional multi-path signalNAVCOM TECH INC·Filed 2005·Granted Jan 1, 2008·16 cites·23 claims
- 2380US7286624B2Two-way RF ranging system and method for local positioningNAVCOM TECH INC·Filed 2003·Granted Oct 23, 2007·61 cites·39 claims
- 2479US6934632B2Method for using three GPS frequencies to resolve carrier-phase integer ambiguitiesNAVCOM TECH INC·Filed 2003·Granted Aug 23, 2005·40 cites·20 claims
- 2578US7801481B2Satellite navigation receiver signal processing architectureNAVCOM TECH INC·Filed 2005·Granted Sep 21, 2010·15 cites·11 claims
- 2678US6125135ASystem and method for demodulating global positioning system signalsNAVCOM TECH INC·Filed 1999·Granted Sep 26, 2000·78 cites·28 claims
- 2776US7119741B2Method for combined use of a local RTK system and a regional, wide-area, or global carrier-phase positioning systemNAVCOM TECH INC·Filed 2004·Granted Oct 10, 2006·31 cites·22 claims
- 2875US6603803B1Global positioning system receiver for monitoring the satellite transmissions and for reducing the effects of multipath error on coded signals and carrier phase measurementsNAVCOM TECH INC·Filed 2000·Granted Aug 5, 2003·36 cites·26 claims
- 2973US7250901B2Synthetic aperture radar system and method for local positioningNAVCOM TECH INC·Filed 2003·Granted Jul 31, 2007·27 cites·16 claims
- 3073US6760393B1Spread-spectrum GMSK/M-ary radio with oscillator frequency correctionNAVCOM TECH INC·Filed 2000·Granted Jul 6, 2004·23 cites·12 claims
- 3171US7212155B2GPS navigation using successive differences of carrier-phase measurementsNAVCOM TECH INC·Filed 2004·Granted May 1, 2007·28 cites·20 claims
- 3267US6259401B1Global positioning system receiver with improved multipath signal rejectionNAVCOM TECH INC·Filed 1998·Granted Jul 10, 2001·48 cites·18 claims
- 3365US7633437B2Method for using three GPS frequencies to resolve whole-cycle carrier-phase ambiguitiesNAVCOM TECH INC·Filed 2006·Granted Dec 15, 2009·6 cites·19 claims
- 3465US7427945B2Positioning system with co-polarized and cross-polarized mappingNAVCOM TECH INC·Filed 2005·Granted Sep 23, 2008·6 cites·22 claims
- 3563US7450080B2Decoherence plate for use in a communications systemNAVCOM TECH INC·Filed 2005·Granted Nov 11, 2008·4 cites·32 claims
- 3661US7453925B2Phase multi-path mitigationNAVCOM TECH INC·Filed 2004·Granted Nov 18, 2008·22 cites·48 claims
- 3756US6347113B1Global positioning system receiver for monitoring the satellite transmissions and for reducing the effects of multipath errorNAVCOM TECH INC·Filed 1999·Granted Feb 12, 2002·35 cites·92 claims
- 3844US7880681B2Antenna with dual band lumped element impedance matchingNAVCOM TECH INC·Filed 2008·Granted Feb 1, 2011·1 cites·23 claims
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