发明名称 Earphone Jack
摘要 An earphone jack comprises a housing, at least one first contact member and one second contact member. A contact piece formed on the first contact member is elastically supported on a supporting portion of the second contact member and located a distance above the contact piece of the second contact member, so as to ensure a good signal transmission between the circuit and the earphone jack.
申请公布号 US2008247591(A1) 申请公布日期 2008.10.09
申请号 US20070768903 申请日期 2007.06.26
申请人 YANG JOHNSON 发明人 YANG JOHNSON
分类号 H04R25/00 主分类号 H04R25/00
代理机构 代理人
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