| 摘要 |
<p>A device may include a key having a key head and an actuator configured to move and to change a position of the key head when the actuator moves, where the actuator is configured to change the position of the key head to a first key position, and when the key head is at the first key head position, the key, when at a depressed position, cannot provide a connection with respect to an electrical interface.</p> |
