| 摘要 |
A flexible bubble-shaped device 2' that springs back to shape is incorporated in a keypad. On its first side the said device has an activating surface 4a' that interacts with an activating part, and on its underside the bubble-shaped device has or comprises a contact material 3' which, when the means is activated by the activating part, interacts with a contact on a unit K' located under the device. At its bubble-shaped part, the device is shaped with a through hole 5'. At its bubble-shaped part, the device is shaped with a through hole 5'. The contact material that interacts with the said contact has a lower ring-shaped whole or partial extent that extends around the opening 5'. <IMAGE> |
