Inventor
HAGEN FRANK A
US23 patents
⚠️ This page may combine multiple inventors who share the name “HAGEN FRANK A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIRECTV GROUP INC
15 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
US7317916B1Jan 8, 2008
Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection
DIRECTV GROUP INC26 citations91
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
US7890052B2Feb 15, 2011
Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection
DIRECTV GROUP INC7 citations82
US7046718B1May 16, 2006
Coherent phase synchronous code division multiple access communications from multiple transponder platforms
DIRECTV GROUP INC8 citations73
US6920309B1Jul 19, 2005
User positioning technique for multi-platform communication system
DIRECTV GROUP INC10 citations73
US6868269B1Mar 15, 2005
Integrating coverage areas of multiple transponder platforms
DIRECTV GROUP INC11 citations73
US6763242B1Jul 13, 2004
Resource assignment system and method for determining the same
DIRECTV GROUP INC9 citations73
US7089000B1Aug 8, 2006
Multi-node wireless communication system with multiple transponding platforms
DIRECTV GROUP INC5 citations63
US6909875B1Jun 21, 2005
Multi-platform wireless communication system for a variety of different user types
DIRECTV GROUP INC3 citations63
HUGHES ELECTRONICS CORP
5 patentsUS6388615B1May 14, 2002
Micro cell architecture for mobile user tracking communication system
HUGHES ELECTRONICS CORP57 citations96
US6380893B1Apr 30, 2002
Ground-based, wavefront-projection beamformer for a stratospheric communications platform
HUGHES ELECTRONICS CORP42 citations95
US6337980B1Jan 8, 2002
Multiple satellite mobile communications method and apparatus for hand-held terminals
HUGHES ELECTRONICS CORP35 citations95
US6295440B2Sep 25, 2001
Multiple satellite mobile communications method and apparatus for hand-held terminals
HUGHES ELECTRONICS CORP32 citations95
US6507314B2Jan 14, 2003
Ground-based, wavefront-projection beamformer for a stratospheric communications platform
HUGHES ELECTRONICS CORP33 citations92