发明名称 |
Underwater listening system with cable - has microphones connected with signals produced collected and applied to transmitter |
摘要 |
<p>The microphones are spaced at specified distances, and a transmitter is mounted in a float from which runs a second cable to a device receiving signals from the microphones and applying them to the transmitter. A propellor (27) is attached to the end of the first cable (37) which moves it in a specified direction. A parachute (26) resisting this movement is attached to the other cable (37) end. An electronic unit (25) is connected through a secondary cable (24) to the transmitter float (22) which has an antenna (45) in the form of an upwards projecting spike.</p> |
申请公布号 |
DE2620966(A1) |
申请公布日期 |
1977.12.01 |
申请号 |
DE19762620966 |
申请日期 |
1976.05.12 |
申请人 |
SANDERS ASSOCIATES,INC. |
发明人 |
E. WOODRUFF,THOMAS;SAUNDERS,SAMUEL;SAUNDERS,ROGER;W. FARMER,EVERETT |
分类号 |
G01V1/38;G10K11/00;(IPC1-7):H04R1/44;G01S3/80 |
主分类号 |
G01V1/38 |
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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