Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7801296 | xDSL-line-interface-circuit | Karl Barkaro, Jorg Hauptmann, Karl-Mikael Johanson, Lars Karlsson, Torbjorn Randahl | 2010-09-21 |
| 7282992 | Class D-amplifier | Karl Barkaro, Carl-Mikael Johansson, Lars Karlsson, Torbjorn Randahl, Andreas Wiesbauer | 2007-10-16 |
| 5978471 | Method and device for detecting a ringtrip | — | 1999-11-02 |