Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9577512 | Current zero-cross detection device, signal acquisition circuit, and circuit system | Jing Wang, Junming Zhang, Jianping Zhou | 2017-02-21 |
| 9537271 | Earphone socket, earphone plug, earphone and electronic device | Hui Li, Wei Sun | 2017-01-03 |