Inventor
YUNG KAR W
US36 patents
⚠️ This page may combine multiple inventors who share the name “YUNG KAR W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUGHES ELECTRONICS CORP
18 patentsUS6229477B1May 8, 2001
Method and system for determining a position of a communication satellite utilizing two-way ranging
HUGHES ELECTRONICS CORP127 citations97
US6388615B1May 14, 2002
Micro cell architecture for mobile user tracking communication system
HUGHES ELECTRONICS CORP57 citations96
US6257526B1Jul 10, 2001
Satellite system and method of deploying same
HUGHES ELECTRONICS CORP33 citations95
US6667715B1Dec 23, 2003
Signal processing circuit for communicating with a modular mobile satellite terminal and method therefor
HUGHES ELECTRONICS CORP18 citations92
US6606307B1Aug 12, 2003
Techniques for utilization of bandwidth space assets
HUGHES ELECTRONICS CORP23 citations92
US6504505B1Jan 7, 2003
Phase control network for active phased array antennas
HUGHES ELECTRONICS CORP23 citations92
US6501941B1Dec 31, 2002
Method for identifying growth limits of handheld services for mobile satellite communications
HUGHES ELECTRONICS CORP19 citations92
US6496146B1Dec 17, 2002
Modular mobile terminal for satellite communication
HUGHES ELECTRONICS CORP24 citations92
US6246363B1Jun 12, 2001
Method and system for incorporating two-way ranging navigation as a calibration reference for GPS
HUGHES ELECTRONICS CORP43 citations92
US6766987B2Jul 27, 2004
Satellite system and method of deploying same
HUGHES ELECTRONICS CORP25 citations91
US6563457B2May 13, 2003
Method and system for determining a position of an object using two-way ranging in a polystatic satellite configuration
HUGHES ELECTRONICS CORP22 citations91
US6460808B2Oct 8, 2002
Satellite system and method of deploying same
HUGHES ELECTRONICS CORP16 citations91
US6377208B2Apr 23, 2002
Method and system for determining a position of a transceiver unit utilizing two-way ranging in a polystatic satellite configuration
HUGHES ELECTRONICS CORP32 citations91
US6340947B1Jan 22, 2002
Method and system for determining a position of a transceiver unit utilizing two-way ranging in a polystatic satellite configuration including a ground radar
HUGHES ELECTRONICS CORP53 citations91
US6336612B1Jan 8, 2002
Satellite system and method of deploying same
HUGHES ELECTRONICS CORP22 citations91
US6313790B2Nov 6, 2001
Method and system for determining a position of a transceiver in a communications network
HUGHES ELECTRONICS CORP17 citations91
US6807397B2Oct 19, 2004
Method for identifying growth limits of handheld services for mobile satellite communications
HUGHES ELECTRONICS CORP1 citations51
US6643268B1Nov 4, 2003
Method for re-routing signals in a switch network
HUGHES ELECTRONICS CORP0 citations42
DIRECTV GROUP INC
12 patentsUS6785553B2Aug 31, 2004
Position location of multiple transponding platforms and users using two-way ranging as a calibration reference for GPS
DIRECTV GROUP INC56 citations96
US6757546B1Jun 29, 2004
Synchronization method and apparatus for multi-platform communication system
DIRECTV GROUP INC35 citations96
US6963548B1Nov 8, 2005
Coherent synchronization of code division multiple access signals
DIRECTV GROUP INC20 citations92
US6756937B1Jun 29, 2004
Stratospheric platforms based mobile communications architecture
DIRECTV GROUP INC43 citations92
US6990314B1Jan 24, 2006
Multi-node point-to-point satellite communication system employing multiple geo satellites
DIRECTV GROUP INC39 citations91
US6914557B2Jul 5, 2005
Micro cell architecture for mobile user tracking communication system
DIRECTV GROUP INC17 citations91
US7215954B1May 8, 2007
Resource allocation method for multi-platform communication system
DIRECTV GROUP INC15 citations84
US7198230B2Apr 3, 2007
Method and system for maximizing satellite constellation coverage
DIRECTV GROUP INC5 citations63
US7089000B1Aug 8, 2006
Multi-node wireless communication system with multiple transponding platforms
DIRECTV GROUP INC5 citations63
US7068733B2Jun 27, 2006
Sampling technique for digital beam former
DIRECTV GROUP INC5 citations63
US6909875B1Jun 21, 2005
Multi-platform wireless communication system for a variety of different user types
DIRECTV GROUP INC3 citations63
US6888499B2May 3, 2005
Signal processing circuit for communicating with a modular mobile terminal and method therefor
DIRECTV GROUP INC0 citations52
HUGHES AIRCRAFT CO
4 patentsUS4994809AFeb 19, 1991
Polystatic correlating radar
HUGHES AIRCRAFT CO112 citations95
US5077562ADec 31, 1991
Digital beam-forming technique using temporary noise injection
HUGHES AIRCRAFT CO69 citations94
US5072226ADec 10, 1991
Radiometer system incorporating a cylindrical parabolic reflector and minimum redundancy array feed
HUGHES AIRCRAFT CO28 citations92
US5142291AAug 25, 1992
Passive microwave near-field tomographic imaging system and method
HUGHES AIRCRAFT CO10 citations71