| 发明名称 |
ELECTRIC STRICTIONNTYPE COORDINATE SELECTOR |
| 摘要 |
PURPOSE:To obtain a compact and economical electric striction-type coordinate selector by having SCR performing make and break of speech path make and break contacts, relays and self-holding continuously impressing voltage to electric striction elements at crosspoints. |
| 申请公布号 |
JPS5227204(A) |
申请公布日期 |
1977.03.01 |
| 申请号 |
JP19750103224 |
申请日期 |
1975.08.25 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
KATOU KATSUHIRO;OOGOSHI MASAE |
| 分类号 |
H01H63/33;H01H67/22;H01H67/26;H04Q3/52 |
主分类号 |
H01H63/33 |
| 代理机构 |
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代理人 |
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