Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9942646 | Robust audio device design | Steve McGarry, William Christopher Carmichael, Alexander S. Danielson | 2018-04-10 |
| 9742357 | Audio system having an improved efficiency and extended operation time | Alan R. Olson, Sean Chiu, Jianhua Pan, Constantine Mouzakis, Patrick Nicolet | 2017-08-22 |
| 9722544 | Audio system having an improved efficiency and extended operation time | Alan R. Olson, Sean Chiu, Jianhua Pan, Constantine Mouzakis, Patrick Nicolet | 2017-08-01 |
| 9559642 | Audio delivery system having an improved efficiency and extended operation time between recharges or battery replacements | Alan R. Olson, Sean Chiu, Jianhua Pan, Constantine Mouzakis, Patrick Nicolet | 2017-01-31 |
| 9294840 | Ease-of-use wireless speakers | Daniel J. DeFranco, Paul Loughnane, Frantz Lohier | 2016-03-22 |
| 9191744 | Intelligent ambient sound monitoring system | — | 2015-11-17 |
| 8977310 | Methods for coordinating wireless coverage between different wireless networks for members of a communication group | Robert D. LoGalbo, Bradley M. Hiben, Daniel J. McDonald | 2015-03-10 |
| 8923531 | Speaker with frequency directed dual drivers | Jason N. Linse | 2014-12-30 |
| D719552 | Binaural microphone | — | 2014-12-16 |
| 8565448 | Dynamic bass equalization with modified Sallen-Key high pass filter | — | 2013-10-22 |
| 8313069 | Speaker with monitor mountable stand | David Yim, Timothy Leehane | 2012-11-20 |
| 7931243 | Speaker with monitor mountable stand | David Yim, Timothy Leehane | 2011-04-26 |
| 7466829 | Dynamic bass equalization with modified sallen-key high pass filter | — | 2008-12-16 |
| 7366533 | Methods for providing access to wireless resources in a trunked radio communication system | Robert A. Biggs, Michael P. McMahon, Leslie G. Gustafson | 2008-04-29 |
| 7339946 | Method of efficiently detecting a loss of granted bandwidth | Hemant Patel, Michael C. Petrie, David M. Rzonca, Carl M. Willis | 2008-03-04 |
| 7006643 | Differential audio amplification system | — | 2006-02-28 |
| 6934394 | Universal four-channel surround sound speaker system for multimedia computer audio sub-systems | — | 2005-08-23 |
| 6928065 | Methods of addressing and signaling a plurality of subscriber units in a single slot | Robert D. LoGalbo, Alan P. Conrad, Darrell J. Stogner | 2005-08-09 |
| 6529787 | Multimedia computer speaker system with bridge-coupled subwoofer | Raymond Weikel | 2003-03-04 |
| 6504938 | Dual-chamber loudspeaker | Jason N. Linse, Raymond Weikel | 2003-01-07 |
| D408414 | Microphone grille | Brendon Stead, Jason N. Linse, Bruce Lancaster, Byron D. Smiley | 1999-04-20 |