Inventor
LEOPOLD RAYMOND J
US15 patents
Patents
15 patentsUS5452471ASep 19, 1995
Network of hierarchical communication systems and method therefor
MOTOROLA INC124 citations97
US5187805AFeb 16, 1993
Telemetry, tracking and control for satellite cellular communication systems
MOTOROLA INC130 citations97
US4993067AFeb 12, 1991
Secure satellite over-the-air rekeying method and system
MOTOROLA INC57 citations96
US5604920AFeb 18, 1997
Satellite cellular telephone and data communication system
MOTOROLA INC55 citations95
US5551058AAug 27, 1996
Method and system for intelligent cell selection using location data in cellular systems
MOTOROLA INC115 citations95
US5285208AFeb 8, 1994
Power management system for a worldwide multiple satellite communications system
MOTOROLA INC57 citations95
US5161248ANov 3, 1992
Method of predicting cell-to-cell hand-offs for a satellite cellular communications system
MOTOROLA INC108 citations95
US6064859AMay 16, 2000
Transmit and receive payload pair and method for use in communication systems
MOTOROLA INC23 citations92
US5528693AJun 18, 1996
Method and apparatus for voice encryption in a communications system
MOTOROLA INC31 citations92
US5327457AJul 5, 1994
Operation indicative background noise in a digital receiver
MOTOROLA INC44 citations92
US5017925AMay 21, 1991
Multiple beam deployable space antenna system
MOTOROLA INC28 citations92
US5365520ANov 15, 1994
Dynamic signal routing
MOTOROLA INC45 citations91
US5551059AAug 27, 1996
Method and system for intelligent cell selection using doppler data in cellular systems
MOTOROLA INC36 citations90
US6269242B1Jul 31, 2001
Dynamic beam fill-in system and method therefor
MOTOROLA INC23 citations84
US5363368ANov 8, 1994
Simultaneous TDMA communication system
MOTOROLA INC16 citations73