| 发明名称 |
Membrane keyboard having key closure retention |
| 摘要 |
A membrane panel keyboard is presented having magnetic material in one contact element and magnetic field generating means to achieve self-retention or key closure retention when a key is actuated.
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| 申请公布号 |
US4564832(A) |
申请公布日期 |
1986.01.14 |
| 申请号 |
US19830480915 |
申请日期 |
1983.03.31 |
| 申请人 |
NIPPON MEKTRON, LTD. |
发明人 |
INOUE, KAZUO |
| 分类号 |
G06F3/02;H01H13/20;H01H13/64;H01H13/702;H01H13/712;H01H13/807;(IPC1-7):H01H13/54 |
主分类号 |
G06F3/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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