Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11818558 | Audio generation in a media playback system | Mike Chamness, Timothy Sheen, Hilmar Lehnert | 2023-11-14 |
| 11812241 | Audio signal limiter | Paul MacLean | 2023-11-07 |
| 11792589 | Thermal control of audio playback devices | Hilmar Lehnert | 2023-10-17 |
| 11728780 | Audio calibration of a portable playback device | Patrick McPherson | 2023-08-15 |
| 11716065 | Systems and methods of volume limiting | — | 2023-08-01 |
| 11700501 | Systems and methods of adjusting bass levels of multi-channel audio signals | Hilmar Lehnert, Bob Dizon | 2023-07-11 |