Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11664000 | Systems and methods for modifying biquad filters of a feedback filter in feedback active noise cancellation | K. Joshua Bodon, Sandeep P. Sira | 2023-05-30 |
| 11159888 | Transducer cooling by introduction of a cooling component in the transducer input signal | Anthony S. Doy, Ning Li, Kaichow Lau, George E. Hardy, John L. Melanson | 2021-10-26 |
| 11153682 | Micro-speaker audio power reproduction system and method with reduced energy use and thermal protection using micro-speaker electro-acoustic response and human hearing thresholds | Ning Li, George E. Hardy, Kaichow Lau, Anthony S. Doy, John L. Melanson | 2021-10-19 |
| 10820100 | Methods and apparatus for limiting the excursion of a transducer | Carl Lennart STÅHL, Ning Li | 2020-10-27 |