| 发明名称 |
DIRECTION VARIABLE DISPLAY DEVICE CONTROLLING SYSTEM |
| 摘要 |
PURPOSE:People are correctly guided in the event of fire by providing circuits which put out the guide lamps of one side only when power is supplied to the guide lamp side from a control unit. |
| 申请公布号 |
JPS5333094(A) |
申请公布日期 |
1978.03.28 |
| 申请号 |
JP19760106761 |
申请日期 |
1976.09.08 |
| 申请人 |
HITACHI LTD |
发明人 |
KIMURA TOSHIHIRO |
| 分类号 |
H02J9/02;G08B5/00;H05B37/00 |
主分类号 |
H02J9/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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