| 发明名称 |
CONDUCTIVE LACQUER CONTACT SURFACE |
| 摘要 |
Two pairs of diagonally linked squares with rounded edges are used as fixed contacts in the production of keyboards. A direct connection is ensured in the diagonal direction; the squares consist of conductive lacquer (carbon lacquer) and cover copper pads on a printed circuit board. |
| 申请公布号 |
WO9417541(A1) |
申请公布日期 |
1994.08.04 |
| 申请号 |
WO1993DE01197 |
申请日期 |
1993.12.15 |
| 申请人 |
SIEMENS NIXDORF INFORMATIONSSYSTEME;GUTMANN, KLAUS;LUECKEHE, HANS-WERNER |
发明人 |
GUTMANN, KLAUS;LUECKEHE, HANS-WERNER |
| 分类号 |
H01H13/70;H01H13/785;H05K1/11;H05K3/24;(IPC1-7):H01H13/70 |
主分类号 |
H01H13/70 |
| 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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