| 摘要 |
<p>The device has a case (1) integrated with an electrical circuit (3) and a permanent magnet (4). The circuit and the magnet are in a magnetic and electric contact, when a push button (2) is in an initial position, so that the circuit is in an activated position. The circuit and magnet are separated, when the button is in a final position, so that the circuit is in an inactivated position.</p> |
