JPS50111584A - |
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| 申请号 | JP12481374 | 申请日 | 1974-10-29 | 公开(公告)号 | JPS50111584A | 公开(公告)日 | 1975-09-02 |
| 申请人 | 发明人 | ||||||
| 摘要 | A keyboard device utilizing a conductive plastic material layer which contacts circuit elements or pathways, the improvement of snapable plastic means raised on a pedestal through which it snaps through center to provide a feel of completion of circuit contact to the user. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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