Metal sealing type magnetic switch matrix |
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| 申请号 | JP10063675 | 申请日 | 1975-08-21 | 公开(公告)号 | JPS5225511A | 公开(公告)日 | 1977-02-25 |
| 申请人 |
Nec Corp;
Nippon Telegr & Teleph Corp |
发明人 | ISHIGURO KANEYA; KATOU KATSUHIRO; MIHASHI SADAYUKI; WAKAMATSU KAZUTOSHI; | ||||
| 摘要 | PURPOSE: To improve magnetic performance and prevent contact surface polution by enclosing many contacts in a sealed housing. COPYRIGHT: (C)1977,JPO&Japio |
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| 权利要求 | |||||||
| 说明书全文 | |||||||
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