发明授权
- 专利标题: Membrane keyboard having key closure retention
- 专利标题(中): 膜键盘具有密封保持
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申请号: US480915申请日: 1983-03-31
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公开(公告)号: US4564832A公开(公告)日: 1986-01-14
- 发明人: Kazuo Inoue
- 申请人: Kazuo Inoue
- 申请人地址: JPX
- 专利权人: Nippon Mektron, Ltd.
- 当前专利权人: Nippon Mektron, Ltd.
- 当前专利权人地址: JPX
- 优先权: JPX57-53157 19820331
- 主分类号: G06F3/02
- IPC分类号: G06F3/02 ; H01H13/20 ; H01H13/64 ; H01H13/702 ; H01H13/712 ; H01H13/807 ; H01H13/54
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.
公开/授权文献
- US3966898A Method and reagent for determining immunologic materials 公开/授权日:1976-06-29
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