Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10051394 | Loudspeaker diaphragm state estimation method and loudspeaker driving circuit using the same | Hejinsheng Cao | 2018-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10051394 | Loudspeaker diaphragm state estimation method and loudspeaker driving circuit using the same | Hejinsheng Cao | 2018-08-14 |