发明名称 |
TIGHT COUPLING COMMUNICATION SYSTEM |
摘要 |
PURPOSE:To make possible to carry out picture communication with a help of weak wave by equipping a transmit-receive antenna for a communication line with a help of a helical open-type coaxial cable of which external electric conductor is formed by winding an electric conductor tape around it coaxially at a distance of the stated space from internal electric conductor like a column. |
申请公布号 |
JPS5277622(A) |
申请公布日期 |
1977.06.30 |
申请号 |
JP19750154400 |
申请日期 |
1975.12.24 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES |
发明人 |
YOSHIDA KENICHI;YAMASHITA SEIHACHIROU |
分类号 |
H04B5/00;H01Q13/20;H01Q13/22 |
主分类号 |
H04B5/00 |
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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