Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387027 | Method and device in a mobile station for avoiding repeated registration | — | 2002-05-14 |
| 6138020 | Quality-based handover | Johan Karoly Peter Galyas, Lars Linden, Lars Lindroth | 2000-10-24 |
| 6122512 | Method and apparatus for mobile station geographical location determination | — | 2000-09-19 |
| 6032047 | Method for changing BCCH carrier frequency without disturbing ongoing call traffic | Carl Patrik Cerwall | 2000-02-29 |
| 5898923 | Registration method in a cellular mobile radio system | Per-Ola Gaasvik, Georg Chambert | 1999-04-27 |
| 5649287 | Orthogonalizing methods for antenna pattern nullfilling | Ulf Forssen | 1997-07-15 |
| 5542093 | Method for redistributing dual mode mobile units to extended channel groups to reduce congestion in primary channel groups | Lotta Voigt, Per-Ola Gaasvik | 1996-07-30 |
| 5513246 | Radiotelephone locating and handoff using alternative criteria | Sven-Olof JONSSON, Georg Chambert | 1996-04-30 |
| 5487071 | Radio link failure | Ingrid Nordstrand | 1996-01-23 |
| 5442682 | Method for registering traffic data in a telecommunication system | Lars-Erik Svedin, Lars Linden, Lars Andersson, Cecilia S. M. Hedin, Ingrid Nordstrand | 1995-08-15 |
| 5390338 | Method of controlling output power in a mobile radio communication system | Karl R. V. Forsselius | 1995-02-14 |
| 5301356 | Prioritization between handoff and new call requests in a cellular communications system | Harald Kallin, Lotta Voigt | 1994-04-05 |