Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8566493 | Interrupt controller and methods of operation | Ulf Morland, Per-Inge Tallberg | 2013-10-22 |
| 6889182 | Speech bandwidth extension | — | 2005-05-03 |
| 6717991 | System and method for dual microphone signal noise reduction using spectral subtraction | Ulf Lindgren, Ingvar Claesson, Sven Nordholm | 2004-04-06 |
| 6704711 | System and method for modifying speech signals | Ulf Lindgren, Clas Thurban, Petra Deutgen | 2004-03-09 |
| 6549586 | System and method for dual microphone signal noise reduction using spectral subtraction | Ingvar Claesson, Sven Nordholm | 2003-04-15 |
| 6507623 | Signal noise reduction by time-domain spectral subtraction | Ingvar Claesson, Sven Nordholm | 2003-01-14 |
| 6487257 | Signal noise reduction by time-domain spectral subtraction using fixed filters | Ingvar Claesson, Sven Nordholm | 2002-11-26 |
| 6459914 | Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging | Ingvar Claesson, Sven Nordholm | 2002-10-01 |
| 6175602 | Signal noise reduction by spectral subtraction using linear convolution and casual filtering | Ingvar Claesson, Sven Nordholm | 2001-01-16 |