Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9443532 | Noise reduction using direction-of-arrival information | — | 2016-09-13 |
| 8566086 | System for adaptive enhancement of speech signals | Phillip A. Hetherington | 2013-10-22 |
| 8311840 | Frequency extension of harmonic signals | Phillip A. Hetherington, Xueman Li | 2012-11-13 |
| 8284947 | Reverberation estimation and suppression system | Phillip A. Hetherington | 2012-10-09 |
| 8170879 | Periodic signal enhancement system | Rajeev Nongpiur, Phillip A. Hetherington | 2012-05-01 |
| 8063764 | Automated emergency detection and response | Alex Mihailidis, Jesse Hoey, Tracy Jeong-Eun LEE, Vicky Young, Melinda Hamill +3 more | 2011-11-22 |
| 7894598 | System for limiting receive audio | Gerhard Uwe Schmidt, Tim Haulick, Clarence Chu | 2011-02-22 |
| 7680652 | Periodic signal enhancement system | Phillip A. Hetherington | 2010-03-16 |
| 7610196 | Periodic signal enhancement system | Rajeev Nongpiur, Phillip A. Hetherington | 2009-10-27 |