Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12382220 | Dynamic control of multiple feedforward microphones in active noise reduction devices | Richard L. Pyatt | 2025-08-05 |
| 12354587 | Broad spectrum instability detection and mitigation | Douglas George Morton | 2025-07-08 |
| 12262168 | Active noise reduction earbud | Andrew D. Munro, Lei Cheng, Ole Mattis Nielsen, Cedrik Bacon | 2025-03-25 |
| 12249312 | Synchronization of instability mitigation in audio devices | David R. Minich | 2025-03-11 |
| 12190855 | Active noise reduction with impulse detection and suppression | — | 2025-01-07 |
| 12051398 | Broad spectrum instability detection and mitigation | Douglas George Morton | 2024-07-30 |
| 11889257 | Wearable audio device zero-crossing based parasitic oscillation detection | — | 2024-01-30 |
| 11856377 | Active noise reduction audio devices and systems | David R. Minich, Alexia Delhoume, Michelle Gelberger | 2023-12-26 |
| 11838719 | Active noise reduction earbud | Andrew D. Munro, Lei Cheng, Ole Mattis Nielsen, Cedrik Bacon | 2023-12-05 |
| 11670278 | Synchronization of instability mitigation in audio devices | David R. Minich | 2023-06-06 |
| 11589154 | Wearable audio device zero-crossing based parasitic oscillation detection | — | 2023-02-21 |
| 11540043 | Active noise reduction earbud | Andrew D. Munro, Lei Cheng, Ole Mattis Nielsen, Cedrik Bacon | 2022-12-27 |
| 11496832 | Dynamic control of multiple feedforward microphones in active noise reduction devices | Richard L. Pyatt | 2022-11-08 |
| 11350204 | Wearable audio device feedforward instability detection | — | 2022-05-31 |
| 11043201 | Synchronization of instability mitigation in audio devices | David R. Minich | 2021-06-22 |
| 10959019 | Active noise reduction audio devices and systems | David R. Minich, Alexia Delhoume, Michelle Gelberger | 2021-03-23 |
| 10885896 | Real-time detection of feedforward instability | — | 2021-01-05 |
| 10873809 | Dynamic control of multiple feedforward microphones in active noise reduction devices | Richard L. Pyatt | 2020-12-22 |
| 10748521 | Real-time detection of conditions in acoustic devices | James P. Mulvey, David J. Warkentin | 2020-08-18 |
| 10283105 | Estimating secondary path magnitude in active noise control | Paraskevas Argyropoulos | 2019-05-07 |
| 10247584 | Fibre optic distributed sensing | Roger Ian Crickmore | 2019-04-02 |
| 10244306 | Real-time detection of feedback instability | David J. Warkentin | 2019-03-26 |
| 10056065 | Adaptive modeling of secondary path in an active noise control system | — | 2018-08-21 |
| 9922636 | Mitigation of unstable conditions in an active noise control system | — | 2018-03-20 |
| 9923550 | Estimating secondary path phase in active noise control | Paraskevas Argyropoulos | 2018-03-20 |