Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9542471 | Method of building a geo-tree | Richard Carlsson, Henrik Makitaavola, Simon Moritz, Hjalmar Olsson | 2017-01-10 |
| 9348845 | Method and system for verifying geographical descriptiveness of media file | Richard Carlsson, Xin Feng, Visa Fristrom, David Hertz, Rita Ziyi Xu | 2016-05-24 |
| 8688525 | System and method for implementing a context based payment system | — | 2014-04-01 |
| 8452314 | Terminal client and a client device for managing messages in a network infrastructure of a telecommunications system | Johan Kristiansson, Tommy Amgren | 2013-05-28 |
| 8345580 | Method and arrangement for virtual meeting | Marika Stålnacke, Tommy Arngren, Olof Lundstrom | 2013-01-01 |
| 7969935 | Transparent broadcast structure in communication systems | Arne Simonsson, Peter De Bruin | 2011-06-28 |
| 7346110 | Multi-channel signal encoding and decoding | Arne Steinarson, Anders Uvliden | 2008-03-18 |
| 7283957 | Multi-channel signal encoding and decoding | Arne Steinarson, Jonas Svedberg, Tomas Lundberg | 2007-10-16 |
| 7263480 | Multi-channel signal encoding and decoding | Tomas Lundberg | 2007-08-28 |
| 6393392 | Multi-channel signal encoding and decoding | — | 2002-05-21 |
| 6321193 | Distance and distortion estimation method and apparatus in channel optimized vector quantization | Johan Nystrom, Tomas Svensson, Roar Hagen | 2001-11-20 |
| 6201960 | Speech quality measurement based on radio link parameters and objective measurement of received speech signals | Anders Uvliden, Per Karlsson, Per Gunnar Heikkila | 2001-03-13 |
| 6195337 | Encoding mode control method and decoding mode determining apparatus | Johan Nyström, Fredrik Jansson | 2001-02-27 |
| 6163577 | Source/channel encoding mode control method and apparatus | Erik Ekudden, Jim Sundqvist, Karl Hellwig | 2000-12-19 |
| 6157830 | Speech quality measurement in mobile telecommunication networks based on radio link parameters | Anders Uvliden, Per Karlsson, Per Gunnar Heikkila | 2000-12-05 |
| 5991717 | Analysis-by-synthesis linear predictive speech coder with restricted-position multipulse and transformed binary pulse excitation | Peter Mustel | 1999-11-23 |
| 5987319 | Call-setup method in a digital cellular radio communication system | Hans Hermansson, Stefan Bruhn | 1999-11-16 |
| 5937376 | Method of coding an excitation pulse parameter sequence | — | 1999-08-10 |
| 5553191 | Double mode long term prediction in speech coding | — | 1996-09-03 |
| 5502713 | Soft error concealment in a TDMA radio system | Tomas Lagerqvist, Peter Mustel, Hans Nilsson | 1996-03-26 |
| 5432778 | Method and an arrangement for frame detection quality estimation in the receiver of a radio communication system | Nils Patrik Lundqvist, Ulf T. Wahlberg | 1995-07-11 |
| 5214706 | Method of coding a sampled speech signal vector | — | 1993-05-25 |
| 5193140 | Excitation pulse positioning method in a linear predictive speech coder | — | 1993-03-09 |