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
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