| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent water from intruding into a keyboard from a drainage channel even when the device is in a closed state. <P>SOLUTION: A device comprises: a keyboard 3; a waterproof construction having an open state in which the keyboard 3 can be used, and a closed state in which the keyboard 3 is disabled; a drainage channel 1 whose one end is connected to the keyboard and the other end is opened to the outside of the device; and a stop part 2 that closes the drainage channel 1 when the device is in the closed state and opens the drainage channel 1 when the device is in the open state. <P>COPYRIGHT: (C)2012,JPO&INPIT |
