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2011
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Invention
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Transmitting device. The invention relates to a transmitting device (1), consisting of a driving ... |
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2002
|
Invention
|
Torpedo sonar comprising a plurality of acoustic transducers. For reducing the number of acoustic... |
|
1999
|
Invention
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Method for three-dimensional beam forming in direction finding systems. For improving 3D focussin... |
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1998
|
Invention
|
Method for the formation of radiated beams in direction finder systems. For improving the focussi... |
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1989
|
Invention
|
Portable underwater sonar monitor. Abstract A portable underwater sonar monitor for divers... |
|
|
Invention
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Broadband omnidirectional electroacoustic transducer. 69660-16 ABSTRACT An omnidirectional ... |
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1982
|
Invention
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Echo sounding apparatus. ABSTRACT Echo sounding apparatus with circuitry for achievingenha... |
