| 发明名称 |
INTERFACE CIRCUIT USED FOR A LONG SUPERVISORY CONTROL SYSTEM |
| 摘要 |
PURPOSE:Proposed is a specially arranged circuit through which erroneous operations can be prevented in case when something is wrong with the duplicate common unit of this system even though the electroc power circuit for the broken circuit is cut-off for repair. |
| 申请公布号 |
JPS5239088(A) |
申请公布日期 |
1977.03.26 |
| 申请号 |
JP19750113660 |
申请日期 |
1975.09.22 |
| 申请人 |
HITACHI LTD |
发明人 |
TAKAHASHI YOSHIAKI;SUZUKI YASUHIKO |
| 分类号 |
H04L1/22;G06F3/00;G08C25/00;H04L25/02;H04Q9/00 |
主分类号 |
H04L1/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
