Issued Patents All Time
Showing 25 most recent of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12272369 | Dereverberation and noise reduction | Mrudula V. Athi, Pradeep Kumar Govindaraju, Rong Hu | 2025-04-08 |
| 11854564 | Autonomously motile device with noise suppression | Navin Chatlani | 2023-12-26 |
| 11646009 | Autonomously motile device with noise suppression | Navin Chatlani | 2023-05-09 |
| 11624800 | Beam rejection in multi-beam microphone systems | William Folwell Barton, Kenneth Edgar Hild, II, Ramya Gopalan, Kavitha Velusamy | 2023-04-11 |
| 11521635 | Systems and methods for noise cancellation | Navin Chatlani | 2022-12-06 |
| 11425494 | Autonomously motile device with adaptive beamforming | Navin Chatlani | 2022-08-23 |
| 11258478 | Autonomously motile device with residual echo suppression | Srivatsan Kandadai | 2022-02-22 |
| 11218802 | Beamformer rotation | Srivatsan Kandadai, Trausti Kristjansson | 2022-01-04 |
| 11205438 | Autonomously motile device with acoustic echo cancellation | — | 2021-12-21 |
| 11175372 | Beam rejection in multi-beam microphone systems | William Folwell Barton, Kenneth Edgar Hild, II, Ramya Gopalan, Kavitha Velusamy | 2021-11-16 |
| 11159878 | Autonomously motile device with beamforming | Navin Chatlani, Ananth Raghavendra, Srivatsan Kandadai | 2021-10-26 |
| 10863270 | Beamforming for a wearable computer | Jeffrey C. O'Neill, Philip Ryan Hilmes, Ramya Gopalan | 2020-12-08 |
| 10746840 | Beam rejection in multi-beam microphone systems | William Folwell Barton, Kenneth Edgar Hild, II, Ramya Gopalan, Kavitha Velusamy | 2020-08-18 |
| 10452116 | Determining a device state based on user presence detection | David William Devries, Stewart Robin Shearer, Serkan Hatipoglu, Omar S. Leung, Michael Serge Devyver +2 more | 2019-10-22 |
| 10304475 | Trigger word based beam selection | Rui Wang, Xiaoxue Li, Trausti Kristjansson, Philip Ryan Hilmes | 2019-05-28 |
| 10242695 | Acoustic echo cancellation using visual cues | Kavitha Velusamy, Wai Chung Chu, Ramya Gopalan | 2019-03-26 |
| 10244313 | Beamforming for a wearable computer | Jeffrey C. O'Neill, Philip Ryan Hilmes, Ramya Gopalan | 2019-03-26 |
| 10237647 | Adaptive step-size control for beamformer | — | 2019-03-19 |
| 10229698 | Playback reference signal-assisted multi-microphone interference canceler | — | 2019-03-12 |
| 10147439 | Volume adjustment for listening environment | Trausti Kristjansson, Mohamed Mansour, Ludger Solbach | 2018-12-04 |
| 9978387 | Reference signal generation for acoustic echo cancellation | Michael Alan Pogue | 2018-05-22 |
| 9973849 | Signal quality beam selection | Xianxian Zhang, Laurent Andre Ovaert | 2018-05-15 |
| 9973848 | Signal-enhancing beamforming in an augmented reality environment | Kavitha Velusamy, Edward Dietz Crump | 2018-05-15 |
| 9837099 | Method and system for beam selection in microphone array beamformers | Shiva Kumar Sundaram, Ramya Gopalan, Philip Ryan Hilmes | 2017-12-05 |
| 9820036 | Speech processing of reflected sound | Charles G. Tritschler, Philip Ryan Hilmes | 2017-11-14 |