| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic apparatus such as a portable communication apparatus which can reduce size and weight without increasing the number of parts and can protect a casing and electronic parts from impact and outside pressure or the like. <P>SOLUTION: In a lower casing having an upper case 3a and a lower case 3b, a key sheet 10 on which a plurality of button parts 13 are formed, a metal dome sheet 11 and a printed board 12 are embedded in a laminated state. A plurality of projections 14 to support the upper case 3a from the inside are formed on the key sheet 10. Deformation or curve of the upper case 3a is prevented and depression of the button part 13 is prevented due to the upper case 3a by supporting the upper case 3a by the plurality of the projections 14 when outside pressure is applied to the upper case 3a. <P>COPYRIGHT: (C)2012,JPO&INPIT |
