Keyboard device for inputting data to electric device |
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| 申请号 | JP747078 | 申请日 | 1978-01-27 | 公开(公告)号 | JPS53111484A | 公开(公告)日 | 1978-09-29 |
| 申请人 | Europ Handelsges Anst; | 发明人 | RUNE KUREMACHIDO; | ||||
| 摘要 | It exhibits a carrier plate (1) with stationary countercontacts (3) which are connected to connecting points (4) by means of lines (2). The countercontacts consist of electrically conductive rubber and are rough on the top. A holding plate (5) of insulating material is located on the carrier plate (1). Above the holding plate (5), a contact plate (7) of metal is arranged which exhibits a number of spherical segment-shaped domes (8) with spiral incisions (9), in order to avoid having to assemble a multiplicity of individual contact disks. The number and arrangement of the domes corresponds to the number and arrangement of the countercontacts (3). Pressing on a push-button (11) of the rubber cover (10) elastically deforms a dome (8) of the contact plate (7) and brings it into contact with the counter-contacts (3) which produces an electric connection between countercontact (3) and contact plate (7). The device is accommodated in an open housing (13) which exhibits penetrations (14) through which the push-buttons (11) protrude. The housing (13) is mounted on an electronic device. | ||||||
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