ES74517A1 -
Device for the appreciation of the increases determined by oscillations and by multiple tuning in underwater acoustic transmitters and receivers.
- Google Patents
Device for the appreciation of the increases determined by oscillations and by multiple tuning in underwater acoustic transmitters and receivers.
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Signal GmbH
Original Assignee
Signal GmbH
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Publication date
Application filed by Signal GmbHfiledCriticalSignal GmbH
Priority to ES74517ApriorityCriticalpatent/ES74517A1/en
Publication of ES74517A1publicationCriticalpatent/ES74517A1/en
ES74517A1920-07-071920-07-07
Device for the appreciation of the increases determined by oscillations and by multiple tuning in underwater acoustic transmitters and receivers.
ExpiredES74517A1
(en)
Improvements in the corresponding methods and apparatus for the transmission of submarine signals and for collecting and propagating compression waves by fluid masses.