Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10142753 | Electroacoustic conversion chain with selectively powered coil | Pierre-Emmanuel Calmel, Jean-Loup Afresne | 2018-11-27 |
| 9967675 | Compact electrodynamic loudspeaker having a convex diaphragm | Pierre-Emmanuel Calmel, Jean-Loup Afresne | 2018-05-08 |
| 9930449 | Device for controlling a loudspeaker | Eduardo Mendes, Pierre-Emmanuel Calmel, Jean-Loup Afresne | 2018-03-27 |
| 9924267 | Device for controlling a loudspeaker | Eduardo Mendes, Pierre-Emmanuel Calmel, Jean-Loup Afresne | 2018-03-20 |