Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6118982 | Method and arrangement in a mobile unit | Anders Khullar | 2000-09-12 |
| 6058308 | Apparatus, and associated method, for adaptively selecting a paging area in which to page a mobile terminal | Harald Kallin | 2000-05-02 |
| 6052589 | Method and arrangement relating to telecommunications systems | A. Håkan Persson, Jonas Ericsson, J. E. A. Steinar Dahlin | 2000-04-18 |
| 6031490 | Method and system for determining the position of mobile radio terminals | Ulf Forssen, Jan-Erik Berg | 2000-02-29 |
| 5960355 | Method and an arrangement relating to telecommunication systems | Kenneth Ekman, Anders Hedlund, Rikard Lundqvist | 1999-09-28 |
| 5953657 | Method and arrangement for call setup in telecommunications networks using signaling aided redialing | — | 1999-09-14 |
| 5952969 | Method and system for determining the position of mobile radio terminals | Bo Hagerman, Sara Mazur | 1999-09-14 |
| 5950128 | Method and apparatus for increasing the answering probability of calls to mobile radio terminals | — | 1999-09-07 |
| 5926755 | Method and an arrangement for conducting multiple calls simultaneously | — | 1999-07-20 |
| 5826193 | Method and apparatus of facilitating interchanging the use of a mobile station and a permanently wired telephone set | Per Viktor Israelsson, Georg Chambert | 1998-10-20 |
| 5703933 | Method and arrangement for establishing a connection in a telecommunications system | — | 1997-12-30 |
| 5680440 | Registration and connection in a communication network | Johan Falk, Jan Swerup, Bjorn Jonsson, Johan Olsson | 1997-10-21 |
| 5634193 | Method of locating a mobile station in a mobile telephone system having indoor and outdoor base stations | — | 1997-05-27 |
| 5594942 | Restoration of a home location register in a mobile radio system | Nenad Antic | 1997-01-14 |
| 5544224 | Reestablishment | Bjorn Jonsson | 1996-08-06 |
| 5541976 | Communications system for integrating a paging system with cellular radio telephones | — | 1996-07-30 |
| 5539807 | System and method for directing call charges to third parties | Ove Johansson | 1996-07-23 |
| 5507034 | Channel selection in a cellular communication system | Roland Bodin, Harald Kallin, Lars Lindroth | 1996-04-09 |
| 5453985 | Digital bit oriented switch, general digital switch and PCM transmission system | — | 1995-09-26 |
| 5436900 | Transcoder and improved land system for a mobile radio communication system | Claes Hammar, Gunnar Burstrom, Per J. H. Tjernlund | 1995-07-25 |
| 5434798 | Reconfiguration in a cellular communications network | Monica B. K. Madebrink, Ake L. Ramstedt, Anders Hoff, Sven Nordstrom, Gunilla A. Bergling +6 more | 1995-07-18 |
| 5420911 | Cellular telephone for monitoring analog and digital control channels | Jan E. A. S. Dahlin, Walter G. A. Mueller | 1995-05-30 |
| 5293423 | Synchronizing method in a mobile radio system | Jan E. A. S. Dahlin, Bengt Persson | 1994-03-08 |
| 5230082 | Method and apparatus for enhancing signalling reliability in a cellular mobile radio telephone system | Steinar Dahlin, Harald Kallin | 1993-07-20 |
| 5008953 | Mobile station link supervision utilizing digital voice color codes | Steinar Dahlin | 1991-04-16 |