Thin layer type switch device |
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| 申请号 | JP8342076 | 申请日 | 1976-07-13 | 公开(公告)号 | JPS5236772A | 公开(公告)日 | 1977-03-22 |
| 申请人 | Globe Union Inc; | 发明人 | UIRISU OOGASUTO RAASON; | ||||
| 摘要 | A keyboard membrane switch including the standard three layer resilient flexible diaphragm switch construction. Threshold pressure is applied to the membrane prior to engagement of the membrane contact with at least one fixed contact. This phenomenon is achieved by applying variable thicknesses of nonconductive threshold paint or glass to the substrate, flexible membrane, a first layer of threshold material or any combination thereof. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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