Inventor · disambiguated record
Kar W. Yung
Also filed as: YUNG KAR · YUNG KAR W
44 granted patents·1 pending application·1,200 citations·filing 1990–2005
99Inventor score
Files withHUGHES ELECTRONICS CORP23DIRECTV GROUP INC15HUGHES AIRCRAFT CO4DIRECTTV GROUP INC2YUNG KAR W1
Top patents by PatentIndex Score
45 records- 0193US6388615B1Micro cell architecture for mobile user tracking communication systemHUGHES ELECTRONICS CORP·Filed 2000·Granted May 14, 2002·57 cites·13 claims
- 0291US6757546B1Synchronization method and apparatus for multi-platform communication systemDIRECTV GROUP INC·Filed 2000·Granted Jun 29, 2004·35 cites·20 claims
- 0390US6295440B2Multiple satellite mobile communications method and apparatus for hand-held terminalsHUGHES ELECTRONICS CORP·Filed 2000·Granted Sep 25, 2001·32 cites·7 claims
- 0489US6756937B1Stratospheric platforms based mobile communications architectureDIRECTV GROUP INC·Filed 2000·Granted Jun 29, 2004·43 cites·58 claims
- 0588US6766987B2Satellite system and method of deploying sameHUGHES ELECTRONICS CORP·Filed 2002·Granted Jul 27, 2004·25 cites·9 claims
- 0688US6380893B1Ground-based, wavefront-projection beamformer for a stratospheric communications platformHUGHES ELECTRONICS CORP·Filed 2000·Granted Apr 30, 2002·42 cites·33 claims
- 0786US6990314B1Multi-node point-to-point satellite communication system employing multiple geo satellitesDIRECTV GROUP INC·Filed 2000·Granted Jan 24, 2006·39 cites·19 claims
- 0886US6336612B1Satellite system and method of deploying sameHUGHES ELECTRONICS CORP·Filed 2001·Granted Jan 8, 2002·22 cites·6 claims
- 0986US6229477B1Method and system for determining a position of a communication satellite utilizing two-way rangingHUGHES ELECTRONICS CORP·Filed 1998·Granted May 8, 2001·127 cites·22 claims
- 1086US4994809APolystatic correlating radarHUGHES AIRCRAFT CO·Filed 1990·Granted Feb 19, 1991·112 cites·14 claims
- 1184US6785553B2Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPSDIRECTV GROUP INC·Filed 2001·Granted Aug 31, 2004·56 cites·14 claims
- 1284US6507314B2Ground-based, wavefront-projection beamformer for a stratospheric communications platformHUGHES ELECTRONICS CORP·Filed 2002·Granted Jan 14, 2003·33 cites·25 claims
- 1382US6460808B2Satellite system and method of deploying sameHUGHES ELECTRONICS CORP·Filed 2001·Granted Oct 8, 2002·16 cites·12 claims
- 1482US5077562ADigital beam-forming technique using temporary noise injectionHUGHES AIRCRAFT CO·Filed 1990·Granted Dec 31, 1991·69 cites·17 claims
- 1581US6340947B1Method and system for determining a position of a transceiver unit utilizing two-way ranging in a polystatic satellite configuration including a ground radarHUGHES ELECTRONICS CORP·Filed 2000·Granted Jan 22, 2002·53 cites·10 claims
- 1679US6914557B2Micro cell architecture for mobile user tracking communication systemDIRECTV GROUP INC·Filed 2001·Granted Jul 5, 2005·17 cites·26 claims
- 1778US6963548B1Coherent synchronization of code division multiple access signalsDIRECTV GROUP INC·Filed 2000·Granted Nov 8, 2005·20 cites·12 claims
- 1875US6337980B1Multiple satellite mobile communications method and apparatus for hand-held terminalsHUGHES ELECTRONICS CORP·Filed 1999·Granted Jan 8, 2002·35 cites·13 claims
- 1975US6257526B1Satellite system and method of deploying sameHUGHES ELECTRONICS CORP·Filed 1998·Granted Jul 10, 2001·33 cites·24 claims
- 2074US7215954B1Resource allocation method for multi-platform communication systemDIRECTV GROUP INC·Filed 2000·Granted May 8, 2007·15 cites·43 claims
- 2173US6504505B1Phase control network for active phased array antennasHUGHES ELECTRONICS CORP·Filed 2000·Granted Jan 7, 2003·23 cites·22 claims
- 2270US6868269B1Integrating coverage areas of multiple transponder platformsDIRECTV GROUP INC·Filed 2000·Granted Mar 15, 2005·11 cites·50 claims
- 2368US6920309B1User positioning technique for multi-platform communication systemDIRECTV GROUP INC·Filed 2000·Granted Jul 19, 2005·10 cites·36 claims
- 2467US6563457B2Method and system for determining a position of an object using two-way ranging in a polystatic satellite configurationHUGHES ELECTRONICS CORP·Filed 2001·Granted May 13, 2003·22 cites·9 claims
- 2565US7046718B1Coherent phase synchronous code division multiple access communications from multiple transponder platformsDIRECTV GROUP INC·Filed 2000·Granted May 16, 2006·8 cites·15 claims
- 2664US5072226ARadiometer system incorporating a cylindrical parabolic reflector and minimum redundancy array feedHUGHES AIRCRAFT CO·Filed 1990·Granted Dec 10, 1991·28 cites·14 claims
- 2763US8223733B2Multi-platform wireless communication system for a variety of different user typesYUNG KAR W·Filed 2005·Granted Jul 17, 2012·2 cites·8 claims
- 2862US6496146B1Modular mobile terminal for satellite communicationHUGHES ELECTRONICS CORP·Filed 1999·Granted Dec 17, 2002·24 cites·22 claims
- 2962US6313790B2Method and system for determining a position of a transceiver in a communications networkHUGHES ELECTRONICS CORP·Filed 2001·Granted Nov 6, 2001·17 cites·8 claims
- 3062US6246363B1Method and system for incorporating two-way ranging navigation as a calibration reference for GPSHUGHES ELECTRONICS CORP·Filed 1998·Granted Jun 12, 2001·43 cites·15 claims
- 3159US7089000B1Multi-node wireless communication system with multiple transponding platformsDIRECTV GROUP INC·Filed 2000·Granted Aug 8, 2006·5 cites·18 claims
- 3259US7068733B2Sampling technique for digital beam formerDIRECTV GROUP INC·Filed 2001·Granted Jun 27, 2006·5 cites·15 claims
- 3358US6909875B1Multi-platform wireless communication system for a variety of different user typesDIRECTV GROUP INC·Filed 2000·Granted Jun 21, 2005·3 cites·15 claims
- 3458US6501941B1Method for identifying growth limits of handheld services for mobile satellite communicationsHUGHES ELECTRONICS CORP·Filed 1999·Granted Dec 31, 2002·19 cites·11 claims
- 3556US6606307B1Techniques for utilization of bandwidth space assetsHUGHES ELECTRONICS CORP·Filed 1999·Granted Aug 12, 2003·23 cites·34 claims
- 3655US6377208B2Method and system for determining a position of a transceiver unit utilizing two-way ranging in a polystatic satellite configurationHUGHES ELECTRONICS CORP·Filed 1997·Granted Apr 23, 2002·32 cites·6 claims
- 3754US6791495B2Modular mobile terminal for satellite communicationDIRECTTV GROUP INC·Filed 2002·Granted Sep 14, 2004·7 cites·35 claims
- 3854US6667715B1Signal processing circuit for communicating with a modular mobile satellite terminal and method thereforHUGHES ELECTRONICS CORP·Filed 1999·Granted Dec 23, 2003·18 cites·40 claims
- 3946US6762718B2Wavefront-projection beamformerDIRECTTV GROUP INC·Filed 2002·Granted Jul 13, 2004·3 cites·41 claims
- 4046US2004056148A1Satellite system and method of deploying sameHUGHES ELECTRONICS CORP·Filed 2003·Application pending·0 cites
- 4143US6807397B2Method for identifying growth limits of handheld services for mobile satellite communicationsHUGHES ELECTRONICS CORP·Filed 2002·Granted Oct 19, 2004·1 cites·30 claims
- 4238US6888499B2Signal processing circuit for communicating with a modular mobile terminal and method thereforDIRECTV GROUP INC·Filed 2003·Granted May 3, 2005·0 cites·29 claims
- 4337US5142291APassive microwave near-field tomographic imaging system and methodHUGHES AIRCRAFT CO·Filed 1990·Granted Aug 25, 1992·10 cites·11 claims
- 4434US7198230B2Method and system for maximizing satellite constellation coverageDIRECTV GROUP INC·Filed 1997·Granted Apr 3, 2007·5 cites·21 claims
- 4520US6643268B1Method for re-routing signals in a switch networkHUGHES ELECTRONICS CORP·Filed 1999·Granted Nov 4, 2003·0 cites·5 claims
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