Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10356541 | Loudspeaker diaphragm state estimation method and loudspeaker driving circuit using the same | Xiaotian Su | 2019-07-16 |
| 10348100 | Battery balance circuit and battery apparatus thereof | — | 2019-07-09 |
| 10181831 | Loudspeaker driving apparatus and loudspeaker driving method | — | 2019-01-15 |