| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile terminal device in which a microphone mounted on a circuit board is not released from the board even in the case that the circuit board receives impulse, or the like. SOLUTION: A mobile terminal device includes a housing constituted by coupling a plurality of case components, a circuit board disposed within the housing and an audio component electrically connected with the circuit board and disposed within the housing while being communicated through an opening formed on an outer surface of the housing to the outside of the housing. In such a mobile terminal device, a mounting microphone 20 is mounted on a key substrate 16 having flexibility and being connected to a multilayer substrate 15 and attached to a key-side housing 10 while being held between a key front case 12 and a key rear case 13. COPYRIGHT: (C)2008,JPO&INPIT
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