| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve such a problem that a hole in a rubber portion of a key button cannot be found in the inspection of sealing performance of a portable electronic apparatus having a key button of a simple structure. <P>SOLUTION: The key button comprises: a top portion having a pusher with a slit; and a rubber portion holding the pusher while covering the whole undersurface of the pusher and at least a part of the slit, the part of the slit being exposed from the rubber portion. <P>COPYRIGHT: (C)2012,JPO&INPIT |
