| 摘要 |
PURPOSE: An ear microphone set is provided to prevent the contact defection between a connecting jack and the ear microphone set when a wire is withdrawn from the wire case or is received to the wire case. CONSTITUTION: An ear microphone set comprises an ear phone, a microphone set, a wire, a wire case, a winding means, a connecting jack and an FPC(flexible printed circuit). The wire is connected to the ear phone and microphone set. The wire case receives the wire such that the wire is withdrawn. The winding means is installed to the wire case and guides the wire's receipt and withdrawal. The end of the connecting jack is fixed into the wire case. The connecting jack put into the connector of the mobile phone. The FPC is installed inside of the wire case and electrically connected with the wire and the connecting jack.
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