Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10582288 | Sports headphone with situational awareness | James M. Kirsch | 2020-03-03 |
| 10555069 | Approach for detecting alert signals in changing environments | Ajay Iyer, Richard Allen Kreifeldt | 2020-02-04 |
| 10015593 | Digital signal processor for audio extensions and correction of nonlinear distortions in loudspeakers | Ajay Iyer, Richard Allen Kreifeldt, V. John Mathews, Shreyas Srikanth Payal | 2018-07-03 |
| 9961480 | Automatic speaker setup | Richard Allen Kreifeldt | 2018-05-01 |
| 9848262 | Techniques for tuning the distortion response of a loudspeaker | Ajay Iyer, Richard Allen Kreifeldt | 2017-12-19 |
| 9832616 | Apparatus and method for localization of a mobile wireless device using radio signal parameters | — | 2017-11-28 |
| 9825718 | Localization of a mobile device using radio signal parameters | — | 2017-11-21 |
| 9804817 | Apparatus and method for automatic device selection for wireless media devices | Richard Allen Kreifeldt | 2017-10-31 |
| 9767675 | Mobile autonomous surveillance | — | 2017-09-19 |
| 9749733 | Approach for detecting alert signals in changing environments | Ajay Iyer, Richard Allen Kreifeldt | 2017-08-29 |
| 9649225 | Electronic hearing protector with quadrant sound localization | James M. Kirsch, Russell H. Lambert, Josh Hunsaker | 2017-05-16 |
| 9451313 | Network media adapter | Aaron Gelter, Craig Gunther | 2016-09-20 |
| 9180055 | Electronic hearing protector with quadrant sound localization | James M. Kirsch, Russell H. Lambert, Josh Hunsaker | 2015-11-10 |
| 9117371 | Mobile autonomous surveillance | — | 2015-08-25 |
| 9088818 | Adaptive media delay matching | Aaron Gelter | 2015-07-21 |
| D729193 | Headphone earpad | James M. Kirsch | 2015-05-12 |
| 9015529 | System for remote installed sound compliance testing | Aaron Gelter, Robert Boatright | 2015-04-21 |
| 8683070 | Stream identifier hash table | Aaron Gelter, Brian Parker, Robert Boatright | 2014-03-25 |