Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9020158 | Quiet zone control system | Duane Wertz | 2015-04-28 |
| 8718289 | System for active noise control with parallel adaptive filter configuration | Duane Wertz | 2014-05-06 |
| 8315404 | System for active noise control with audio signal compensation | Duane Wertz | 2012-11-20 |
| 8270626 | System for active noise control with audio signal compensation | Duane Wertz | 2012-09-18 |
| 8199924 | System for active noise control with an infinite impulse response filter | Duane Wertz | 2012-06-12 |
| 8189799 | System for active noise control based on audio system output | Duane Wertz | 2012-05-29 |
| 8135140 | System for active noise control with audio signal compensation | Duane Wertz | 2012-03-13 |
| 8077873 | System for active noise control with adaptive speaker selection | Duane Wertz | 2011-12-13 |
| 7953183 | System for high definition radio blending | Mark Spellman, Nicolai Pavlov | 2011-05-31 |
| 7944998 | Audio correlation system for high definition radio blending | Mark Spellman, Nicolai Pavlov | 2011-05-17 |
| 7929722 | Hearing assistance using an external coprocessor | Duane Wertz, Malayappan Shridhar | 2011-04-19 |