| 摘要 |
<p>The acoustic radiating membrane (1) includes, over a first thickness of the total thickness of the membrane, a certain number of cells (5,6) or a certain number of projecting portions. The shape and dimension of each cell or of each portion are adapted according to the type of material and the note to be radiated by the membrane. An independent claim is also included for a striking or musical watch.</p> |
