发明名称 QUIET KEY SWITCH
摘要 QUIET KEY SWITCH A key switch utilizing a buckling compression spring to move a switch actuator mechanism includes a cylindrical core of resilient material located within an opening formed by the coils of the compression spring to attenuate the acoustical energy generated by the buckling and unbuckling action of the spring.
申请公布号 CA1319352(C) 申请公布日期 1993.06.22
申请号 CA19890594926 申请日期 1989.03.28
申请人 AMERICAN TELEPHONE AND TELEGRAPH COMPANY 发明人 GOTFRYD, CASIMER;KAY, STEPHEN L.;KLOTZ, HARTLAND P.;WENTZEL, ROBERT M.
分类号 H01H13/705 主分类号 H01H13/705
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