发明名称 SWITCH FOR KEYBOARD DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a switch in which contact failure of a contact is prevented. SOLUTION: The switch 10 has fixed contacts 23, 24 provided on a substrate 22 and movable parts 35, 36 which are constructed of an elastic body, have an end face opposed to the fixed contacts 23, 24, and have printed a conductive material on the end face. The end face of the movable parts 35, 36 is formed in plane form, and recesses 35b, 36b are provided at the center of the end face. COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2010123260(A) 申请公布日期 2010.06.03
申请号 JP20080292954 申请日期 2008.11.17
申请人 YAMAHA CORP 发明人 ARAKI KATSUHIRO
分类号 H01H21/00;H01H1/06 主分类号 H01H21/00
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