TORSAL TECHNOLOGY GROUP LTD. LLC
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 06, 2004 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 976 Total Citation Count
- Sep 29, 1989 Earliest Filing
- 19 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Top Patents (by citation)
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Recent Publications
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Recent Patents
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Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6675013 Doppler correction and path loss compensation for airborne cellular systemExpiredJun 26, 00Jan 06, 04[H04Q]
6633621 Apparatus and method for synchronizing a clock using a phase-locked loop circuitExpiredMar 20, 00Oct 14, 03[H03D]
5986518 Distributed MMIC active quadrature hybrid and method for providing in-phase and quadrature-phase signalsExpiredJun 30, 98Nov 16, 99[H01P, H03F]
5604691 Logarithm/inverse-logarithm converter utilizing a truncated Taylor series and method of use thereofExpiredJan 31, 95Feb 18, 97[H03M, G06F]
5602959 Method and apparatus for characterization and reconstruction of speech excitation waveformsExpiredDec 05, 94Feb 11, 97[G10L]
5600581 Logarithm/inverse-logarithm converter utilizing linear interpolation and method of using sameExpiredFeb 22, 95Feb 04, 97[G06F]
5551058 Method and system for intelligent cell selection using location data in cellular systemsExpiredOct 31, 94Aug 27, 96[H04Q]
5463400 Method and apparatus for synchronizing to a multi-beam satellite TDMA communication systemExpiredJun 30, 94Oct 31, 95[H04B]
5444450 Radio telecommunications system and method with adaptive location determination convergenceExpiredAug 11, 93Aug 22, 95[H04M, H04B, G02S]
5187805 Telemetry, tracking and control for satellite cellular communication systemsExpiredOct 02, 89Feb 16, 93[H04B]
5161248 Method of predicting cell-to-cell hand-offs for a satellite cellular communications systemExpiredOct 02, 89Nov 03, 92[H04B]
5095538 Calibrated method and device for narrow band Doppler compensationExpiredSep 29, 89Mar 10, 92[H04B]
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