| 发明名称 |
TELEPHONE POWER SUPPLY SYSTEM AT DISASTER OCCURRENCE TIME |
| 摘要 |
PURPOSE:To secure a maintenance of the communication function even at the disaster occurrence time of various kinds of power source units for the exchange by using a portable power source unit for telephone use. |
| 申请公布号 |
JPS5320702(A) |
申请公布日期 |
1978.02.25 |
| 申请号 |
JP19760095875 |
申请日期 |
1976.08.10 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE;SANYO ELECTRIC CO |
发明人 |
SHIOMI EIJIROU;FURUKAWA SHIYOUZOU;MOGI KAZUO |
| 分类号 |
H02J9/08;H02H7/20;H02J9/00;H04Q1/28 |
主分类号 |
H02J9/08 |
| 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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