| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a portable terminal having an excellent sand prevention function. <P>SOLUTION: A straight type portable telephone 1 includes: a housing 2; key tops 21 supported by the housing 2; and dome switches 22 turned on and off by the respective key tops 21 being pressed. An annular elastic body 24 is provided between each key top 21 and the housing 2. Each key top 21 is supported by the housing 2 through the elastic body 24. Preferably, key top opening parts 23, in which the key tops 21 are housed, are formed in the housing 2, and the elastic body 24 is annularly provided between an outer peripheral surface 21a of each key top 21 and an inner peripheral surface 23a of the key top opening part 23. <P>COPYRIGHT: (C)2013,JPO&INPIT |
