Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999501 | Method and device for attenuating an interferer from a communication signal | — | 2006-02-14 |
| 6822947 | Radio network emulator for a packet core network | Pierre Maillette | 2004-11-23 |
| 6675020 | Self-sacrificing cellular system | — | 2004-01-06 |
| 6496489 | Method and apparatus for distinguishing between a digital control channel and a digital traffic channel in a radiocommunication system | Alex Krister Raith, Ray Henry | 2002-12-17 |
| 6351279 | System and method of providing selected advertisements between subscribers utilizing video telephones | — | 2002-02-26 |
| 6212176 | Digital control channels having logical channels for multiple access radiocommunication | Håkan Andersson, John Walter Diachina, Bengt Persson, Alex Krister Raith, Anthony J. Sammarco | 2001-04-03 |
| 6134438 | Local control enhancement in a telecommunications system | — | 2000-10-17 |
| 6097937 | System and method of implementing a private charge rate in a radio telecommunications network | — | 2000-08-01 |
| 6084628 | System and method of providing targeted advertising during video telephone calls | — | 2000-07-04 |
| 6061549 | Support of multiple modulation levels for a cellular traffic channel | Sylvain Labonte, Eric Turcotte, Sylvain St-Pierre, Francis Lupien | 2000-05-09 |
| 6058108 | Method and apparatus for locating a digital control channel in a radiocommunication system | Alex Krister Raith, Ray Henry | 2000-05-02 |
| 5991635 | Reduced power sleep modes for mobile telephones | Paul W. Dent, Nils Rydbeck, A. Krister Raith | 1999-11-23 |
| 5978677 | Migration of routing number selection to the base station controller of a cellular telephone network | — | 1999-11-02 |
| 5946629 | Cellular telephone network having short message service interaction with other networks | Eric Turcotte, Wayne Tom | 1999-08-31 |
| 5930710 | Control/pilot channel reselection between cells belonging to different registration areas | Francis Lupien | 1999-07-27 |
| 5920814 | System and method of managing temporary mobile station identity (TMSI) parameters in a radio telecommunications network | Eric Turcotte | 1999-07-06 |
| 5915221 | Neighbor cell list creation and verification in a telecommunications system | Andre Beliveau | 1999-06-22 |
| 5901145 | Mobile station handoff between a spread spectrum communications system and a frequency division communications system | — | 1999-05-04 |
| 5884172 | Local control enhancement in a telecommunications systems | — | 1999-03-16 |
| 5854981 | Adaptive neighbor cell list | Kenneth Yngve Wallstedt, Carl Magnus Frodigh, Håkan Olofsson, Knut Magnus Almgren, Andre Beliveau | 1998-12-29 |
| 5828737 | Communications service billing based on bandwidth use | — | 1998-10-27 |
| 5797096 | System and method for maintaining control channel mode information in a cellular telecommunications network | Francis Lupien | 1998-08-18 |
| 5794140 | Method and apparatus for offering subscribers access to unused communications capacity in a cellular communications system | — | 1998-08-11 |
| 5711006 | System and method for addressing a release resource message | Jean-Pierre Brochu | 1998-01-20 |
| 5634195 | System and method for setting of output power parameters in a cellular mobile telecommunication system | — | 1997-05-27 |