| 摘要 |
PROBLEM TO BE SOLVED: To provide a sound listening tool for evading the break of a personal listening tool and the connection terminal of the personal listening tool which is caused by adding strong force in a fixed direction. SOLUTION: The personal listening tool is connected to the connection terminal of the personal listening tool via a conversion plug. The holding of a hinge mechanism with a magnet arranged in the conversion plug is released by adding not less than the fixed strength to the personal listening tool, or the conversion plug in a direction which is different from the ejecting direction of the personal listening tool from the conversion plug, when the personal listening tool is connected to the connection terminal via the conversion plug. COPYRIGHT: (C)2007,JPO&INPIT
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