Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11743633 | Nonlinear port parameters for vented box modeling of loudspeakers | Douglas J. Button | 2023-08-29 |
| 11310586 | Nonlinear port parameters for vented box modeling of loudspeakers | Douglas J. Button | 2022-04-19 |
| 10536774 | Constrained nonlinear parameter estimation for robust nonlinear loudspeaker modeling for the purpose of smart limiting | Douglas J. Button | 2020-01-14 |
| 10409930 | Techniques for improving swept sine analyses | — | 2019-09-10 |
| 10381994 | Constrained nonlinear parameter estimation for robust nonlinear loudspeaker modeling for the purpose of smart limiting | Douglas J. Button | 2019-08-13 |
| 10349195 | Constrained nonlinear parameter estimation for robust nonlinear loudspeaker modeling for the purpose of smart limiting | Douglas J. Button | 2019-07-09 |
| 10024712 | Acoustic presence detector | Meenakshi Barjatia | 2018-07-17 |
| 9823898 | Technique for determining nonlinear order-separated responses of nonlinear systems including linear response at system typical input levels | — | 2017-11-21 |
| 9820046 | Compensation of air path distortions using backpropagation | Shreyas Srikanth Payal, V. John Mathews, Douglas J. Button, Ajay Iyer | 2017-11-14 |
| 9649225 | Electronic hearing protector with quadrant sound localization | James M. Kirsch, Jeffrey L. Hutchings, Josh Hunsaker | 2017-05-16 |
| 9180055 | Electronic hearing protector with quadrant sound localization | James M. Kirsch, Jeffrey L. Hutchings, Josh Hunsaker | 2015-11-10 |
| 8000482 | Microphone array processing system for noisy multipath environments | Shi-Ping Hsu, Karina L. Edmonds | 2011-08-16 |
| 7031401 | Digital to analog converter with time dithering to remove audio tones | — | 2006-04-18 |
| 6917318 | Analog to digital converter that services voice communications | — | 2005-07-12 |
| 6661360 | Analog to digital converter that services voice communications | — | 2003-12-09 |
| 6631165 | Code modulation using narrow spectral notching | Peter J. Hadinger, Denes L. Zsolnay, Bruce W. Evans, Shi-Ping Hsu, Gerard Roccanova | 2003-10-07 |