Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6917688 | Adaptive noise cancelling microphone system | Zhuliang Yu | 2005-07-12 |
| 6847721 | Active noise control system with on-line secondary path modeling | Ming Zhang, Hui Lan | 2005-01-25 |