| 发明名称 |
EFFICIENCY COMPUTING SYSTEM |
| 摘要 |
PURPOSE:To compute the working efficiency using wire lock for the trunk line equipment, etc. of the telephone exchange system, and thus to realize high-speed information extranction with high dependability. |
| 申请公布号 |
JPS52131407(A) |
申请公布日期 |
1977.11.04 |
| 申请号 |
JP19760049099 |
申请日期 |
1976.04.27 |
| 申请人 |
NIPPON ELECTRIC CO;NIPPON TELEGRAPH & TELEPHONE;OKI ELECTRIC IND CO LTD;HITACHI LTD;FUJITSU LTD |
发明人 |
CHIBA MASAYASU;NAKAZAWA MASANORI;SUZUKI YUTAKA;HASHIMOTO MASASHI;IKEDA FUMIO |
| 分类号 |
H04M3/36;(IPC1-7):04M3/36 |
主分类号 |
H04M3/36 |
| 代理机构 |
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代理人 |
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