| 摘要 |
PURPOSE: A common jack and a plug for signal input/output are provided to use an audio input jack and a headphone jack commonly in order to reduce cost and to simplify the design. CONSTITUTION: A common jack(13) and plugs(14,15) for signal input/output include partial conductors(a,b,c) and dielectric materials(14c,15c). The common jack(13) is divided into the partial conductors(a,b,c) by dielectric materials(13a,13b). The plugs(14,15) are contained in the common jack(13). The plugs(14,15) are divided by dielectric materials(14c,15c) in such a manner that the plugs(14,15) are coupled with conductors(a,b) or the conductor(c) or in such a manner that the plugs(14,15) are coupled with all the conductors(a,b,c).
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