发明名称 |
MAGNETIC FIELD COUPLINGGTYPE COMMUNICATIONS |
摘要 |
PURPOSE:To enable communications with moving objects at almost a uniform signal intensity regardless of a position in the axial direction of a line by increasing the degree of coupling among communications sections proportional to a distance from the output end of a transmitter. |
申请公布号 |
JPS52113614(A) |
申请公布日期 |
1977.09.22 |
申请号 |
JP19760030666 |
申请日期 |
1976.03.19 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES |
发明人 |
YOSHIDA KENICHI;YAMASHITA SEIHACHIROU |
分类号 |
H04B5/00;(IPC1-7):04B5/00 |
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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