| 摘要 |
<p>The acoustic transducer magnetic system has a magnet (33) with a specific polarity, which is developed in a plastic bonded magnetic material and makes the magnetic field (16) available for a moving coil (18). An internal and external partial volume (32), which contains the magnet, is made of plastic bonded magnetic material. An independent claim is also included for the magnetic system for the acoustic transducer.</p> |
