Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10356541 | Loudspeaker diaphragm state estimation method and loudspeaker driving circuit using the same | Hejinsheng Cao | 2019-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10356541 | Loudspeaker diaphragm state estimation method and loudspeaker driving circuit using the same | Hejinsheng Cao | 2019-07-16 |