| 摘要 |
PROBLEM TO BE SOLVED: To provide an earphone microphone where a microphone is adjusted to a position where conversation with the optimal volume is available, and which is inexpensive and excellent in portability. SOLUTION: A lead wire of a fixed length connecting an earphone with the microphone is fixed to a rib (protrusion) or a component for fixing the lead wire to adjust the position optimal for voice recognition when mounting the earphone. COPYRIGHT: (C)2007,JPO&INPIT
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