| 12368988 |
Headphones |
Lei Cheng |
2025-07-22 |
| 12300209 |
Wearable active noise reduction (ANR) device having low frequency feedback loop modulation |
David J. Warkentin, Lei Cheng, Brandon Lee Olmos, Michael P. O'Connell |
2025-05-13 |
| 12262168 |
Active noise reduction earbud |
Andrew D. Munro, Lei Cheng, Emery M. Ku, Cedrik Bacon |
2025-03-25 |
| 12028675 |
Headphone audio controller |
— |
2024-07-02 |
| 11875768 |
Wearable active noise reduction (ANR) device having low frequency feedback loop modulation |
David J. Warkentin, Lei Cheng, Brandon Lee Olmos, Michael P. O'Connell |
2024-01-16 |
| 11838719 |
Active noise reduction earbud |
Andrew D. Munro, Lei Cheng, Emery M. Ku, Cedrik Bacon |
2023-12-05 |
| 11689844 |
Headphone audio controller |
— |
2023-06-27 |
| 11568849 |
Wearable active noise reduction (ANR) device having low frequency feedback loop modulation |
David J. Warkentin, Lei Cheng, Brandon Lee Olmos, Michael P. O'Connell |
2023-01-31 |
| 11540043 |
Active noise reduction earbud |
Andrew D. Munro, Lei Cheng, Emery M. Ku, Cedrik Bacon |
2022-12-27 |
| 11457304 |
Headphone audio controller |
— |
2022-09-27 |
| 11164554 |
Wearable active noise reduction (ANR) device having low frequency feedback loop modulation |
David J. Warkentin, Lei Cheng, Brandon Lee Olmos, Michael P. O'Connell |
2021-11-02 |
| 11062688 |
Placement of multiple feedforward microphones in an active noise reduction (ANR) system |
— |
2021-07-13 |
| 10665220 |
Active noise reduction (ANR) system with multiple feedforward microphones and multiple controllers |
— |
2020-05-26 |
| 10609489 |
Fabricating an integrated loudspeaker piston and suspension |
Csaba Guthy, Mark A. Hayner |
2020-03-31 |
| 9881600 |
Acoustically open headphone with active noise reduction |
Mihir D. Shetye, Ryan C. Silvestri |
2018-01-30 |