发明名称 |
Position measuring device |
摘要 |
The invention concerns a position measuring device used for measuring the position of a vessel equipped with three hydrophones arranged at the apexes of a right-angled triangle in relation to a transmitting beacon on the sea bed. Measuring of the differences in the travel time between the beacon and the various hydrophones as well as of the depth of the water and analogic calculating of the position of the vessel in a simple way and without approximation.
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申请公布号 |
US4031500(A) |
申请公布日期 |
1977.06.21 |
申请号 |
US19760657330 |
申请日期 |
1976.02.11 |
申请人 |
COMPAGNIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCATEL SA |
发明人 |
PARENT, GUY |
分类号 |
G01S3/808;G01S5/22;(IPC1-7):G01S5/18 |
主分类号 |
G01S3/808 |
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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