Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8437442 | Method and apparatus for generating a carrier frequency signal | Christian Grewing, Anders Jakobsson, Ola Pettersson, Bingxin Li | 2013-05-07 |
| 8405434 | System and method for calibrating output frequency in phase locked loop | Anders Jakobsson, Christian Grewing, Ola Pettersson, Bingxin Li | 2013-03-26 |
| 8368479 | VCO pre-compensation | Christian Grewing, Stefan Van Waasen | 2013-02-05 |
| 8222961 | Time-domain measurement of PLL bandwidth | Christian Grewing, Anders Jakobsson, Ola Pettersson, Bingxin Li | 2012-07-17 |
| 7130416 | Subscriber line interface circuit | — | 2006-10-31 |
| 7098723 | Semiconductor circuit regulator | Henrik Hellberg, Håkan Sjödin | 2006-08-29 |
| 6973181 | Method of generating a ring signal in a subscriber line interface circuit technical field | Henrik Hellberg | 2005-12-06 |
| 6542605 | Method and arrangement for choosing supply voltage | Mattias Israelsson, Carl-Henrik Malmgren, Henrik Hellberg | 2003-04-01 |
| 6498849 | Arrangement in a subscriber line interface circuit | Henrik Hellberg | 2002-12-24 |
| 6239648 | System and method for dissipating heat in an electric device | Henrik Hellberg, Mattias Israelsson, Carl-Henrik Malmgren | 2001-05-29 |
| 6195429 | Arrangement in a subscriber line interface circuit | Henrik Hellberg, Mattias Israelsson, Carl-Henrik Malmgren | 2001-02-27 |
| 6148076 | Method and an arrangement for controlling the operating mode of a subscriber line interface circuit | Hans Eriksson, Carl-Henrik Malmgren, Henrik Hellberg, Henrik Sandstrom | 2000-11-14 |
| 6119090 | Subscriber line interface circuit which automatically adjusts the signal headroom on a telephone line and a method of doing the same | Henrik Hellberg, Mattias Israelsson, Carl-Henrik Malmgren | 2000-09-12 |