发明名称 Key sheets and method of producing the same
摘要 A key sheet includes a base sheet and a plurality of key tops arranged on the base sheet and exposed from an operation opening formed in a case of a device. The operation opening has no partition bridge. The base sheet includes a plurality of bases for fixing the key tops and a reinforcing member for supporting the bases while allowing displacement upon pushing.
申请公布号 US2006278510(A1) 申请公布日期 2006.12.14
申请号 US20060507451 申请日期 2006.08.22
申请人 POLYMATECH CO., LTD 发明人 NISHIMURA TAKESHI;NISHI KENGO;KATORI MASAYA
分类号 H01H9/00;H01H13/702 主分类号 H01H9/00
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