Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9369800 | Intrinsically safe audio circuit for a portable two-way radio | Cheah Heng Tan, Friedrich Bollmann, Teik Seng Saw, Kheng Shiang Teh | 2016-06-14 |
| 9209767 | Input current limited power supply and audio power amplifier for high power reproduction of nondeterministic signals | — | 2015-12-08 |
| 8630426 | Howling suppression using echo cancellation | — | 2014-01-14 |