Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11881829 | Method for audio peak reduction using all-pass filter | Sebastian Schlecht, Leonardo Fierro, Juha Backman | 2024-01-23 |
| 7742607 | Method for designing a modal equalizer for a low frequency sound reproduction | Matti Karjalainen, Aki Mäkivirta, Poju Antsalo | 2010-06-22 |
| 7286674 | Method for designing a modal equalizer for a low frequency audible range especially for closely positioned modes | Matti Karjalainen, Poju Antsalo, Aki Mäkivirta | 2007-10-23 |
| 6847722 | Method and equipment for attenuating sound in a duct | Seppo Uosukainen, Kari Kirjavainen, Jukka Lekkala, Hannu Nykänen | 2005-01-25 |
| 5812608 | Method and circuit arrangement for processing received signal | Jukka Henriksson, Timo Laakso | 1998-09-22 |