Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11381913 | Dynamic device speaker tuning for echo control | Omar Joya, Bradley Robert Ekin | 2022-07-05 |
| 11031966 | Ultrasonic proximity sensing for SAR mitigation | Marc Harper, Christian Lorenz | 2021-06-08 |
| 10652654 | Dynamic device speaker tuning for echo control | Omar Joya, Bradley Robert Ekin | 2020-05-12 |
| 10492005 | High-efficiency speaker with multi-magnet structure | Christian Lorenz | 2019-11-26 |
| 8300848 | System and method for adjusting an audio signal | Larry Hawker, Bao Nguyen | 2012-10-30 |
| 7877116 | Method and apparatus allowing for user-selectable acoustic equalizer settings for voice calls | Sean Simmons, Craig Eric Ranta, Per Magnus Fredrik Hansson | 2011-01-25 |
| 7574010 | System and method for adjusting an audio signal | Larry Hawker, Bao Nguyen | 2009-08-11 |
| 6535604 | Voice-switching device and method for multiple receivers | Paul Provencal | 2003-03-18 |
| 6002949 | Handset with a single transducer for handset and handsfree functionality | Larry Hawker, Andre John Van Schyndel | 1999-12-14 |
| 5982755 | System and method for providing high terminal coupling loss in a handsfree terminal | Paul Coverdale | 1999-11-09 |
| 5828965 | Wireless telephone handset | Michael Brown, Laura Mahan, Andre John Van Schyndel, Hugh M. Collins, Frederic Simard | 1998-10-27 |
| 5790679 | Communications terminal having a single transducer for handset and handsfree receive functionality | Larry Hawker, Andre John Van Schyndel | 1998-08-04 |
| 5398282 | Automatic sidetone selector | David A. Pepper, Guy Fortier, Norbert Diesing, W. J. Leonard McCready | 1995-03-14 |