Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11240598 | Band-limited beamforming microphone array with acoustic echo cancellation | David K. Lambert, Derek Graham | 2022-02-01 |
| 10397697 | Band-limited beamforming microphone array | David K. Lambert, Derek Graham | 2019-08-27 |
| 9843455 | Conferencing system with spatial rendering of audio data | Tracy A. Bathurst, Derek Graham, Michael Braithwaite, Bret Harris, Sandeep Kalra +6 more | 2017-12-12 |
| 9432237 | VOIP device, VOIP conferencing system, and related method | Tracy A. Bathurst, Derek Graham, Michael Braithwaite, Brett Harris, Sandeep Kalra +6 more | 2016-08-30 |
| 9294839 | Augmentation of a beamforming microphone array with non-beamforming microphones | David K. Lambert, Derek Graham | 2016-03-22 |