Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10721557 | Microphone assembly with pulse density modulated signal | Andrzej Pawlowski, Kim Spetzler Berthelsen, Henrik Thomsen | 2020-07-21 |
| 10165359 | Microphone assembly with pulse density modulated signal | Andrzej Pawlowski, Kim Spetzler Berthelsen, Henrik Thomsen | 2018-12-25 |
| 9980068 | Method of estimating diaphragm excursion of a loudspeaker | Kim Spetzler Berthelsen | 2018-05-22 |
| 9894437 | Microphone assembly with pulse density modulated signal | Andrzej Pawlowski, Kim Spetzler Berthelsen, Henrik Thomsen | 2018-02-13 |
| 9813812 | Method of controlling diaphragm excursion of electrodynamic loudspeakers | Kim Spetzler Berthelsen, Miguel Alejandro Chavez Salas | 2017-11-07 |
| 9531433 | Echo cancellation methodology and assembly for electroacoustic communication apparatuses | Kim Spetzler Berthelsen, Robert Adams | 2016-12-27 |
| 9525939 | Overheat protector and protection methodology for electrodynamic loudspeakers | Kim Spetzler Berthelsen | 2016-12-20 |