| 发明名称 |
COURSE INDICATING SYSTEM BY ELECTROMAGNETC FIELD |
| 摘要 |
PURPOSE:To determine bearing highly accurately and perform the indication of the course of ships, etc. by detecting the magnetic fields outputted by the cable which is laid on the sea bottom by orthogonal frame type coils as sensors. |
| 申请公布号 |
JPS5398873(A) |
申请公布日期 |
1978.08.29 |
| 申请号 |
JP19770012512 |
申请日期 |
1977.02.09 |
| 申请人 |
OKI ELECTRIC IND CO LTD |
发明人 |
ONO KAKUYOSHI;OOSAWA KENICHI |
| 分类号 |
G01S1/00;B63B51/00;G01C21/00;G01S5/00;G01V3/08;G05D1/00;G08G3/00;G08G3/02 |
主分类号 |
G01S1/00 |
| 代理机构 |
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代理人 |
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| 地址 |
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