Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9591421 | Audio jack detection circuit | Seth M. Prentice, Julie Lynn Stultz, Yongliang Li, Graham L S Connolly | 2017-03-07 |
| 9456272 | Button-press detection and filtering | Tony Cheng Han Lee, Ricky Li, Emma Wang | 2016-09-27 |
| 9432786 | MIC audio noise filtering | Seth M. Prentice | 2016-08-30 |
| 9060228 | Accessory detection circuit with improved functionality | Tony Cheng Han Lee, Seth M. Prentice | 2015-06-16 |
| 8928392 | No-power normally closed analog switch | Tony Cheng Han Lee | 2015-01-06 |