| 发明名称 |
DRIVING SYSTEM FOR CHANNELS |
| 摘要 |
PURPOSE:To economize the driving system by assuring the predetermined talking current prior to the driving of the channel switch to drive rapidly of the channel switch. |
| 申请公布号 |
JPS5290207(A) |
申请公布日期 |
1977.07.29 |
| 申请号 |
JP19760005880 |
申请日期 |
1976.01.23 |
| 申请人 |
OKI ELECTRIC IND CO LTD;NIPPON TELEGRAPH & TELEPHONE |
发明人 |
YAMADA KATSUZOU;TANABE KOUJI;YASUI NAOHIKO;AKIYAMA NOBUYOSHI |
| 分类号 |
H04Q3/52 |
主分类号 |
H04Q3/52 |
| 代理机构 |
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代理人 |
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| 主权项 |
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