发明名称 |
TELEPHONEEUSE PORTABLE POWER SOURCE UNIT |
摘要 |
PURPOSE:The self-generating generation set and power source for various switchboards are made small size and light weight through high-frequency AC power supply system. Thus, normal telephone switchboard function can be maintained at the time of trouble occurrence of power source apparatus. |
申请公布号 |
JPS5249707(A) |
申请公布日期 |
1977.04.21 |
申请号 |
JP19750125356 |
申请日期 |
1975.10.20 |
申请人 |
NIPPON DENSHIN DENWA KOSHA;SANYOU DENKI KK |
发明人 |
FURUKAWA SHIYOUZOU;MOGI KAZUO |
分类号 |
H04Q1/28;H04M19/00 |
主分类号 |
H04Q1/28 |
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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