AT81495B - Einrichtung zur Verbesserung des Wirkungsgrades hydraulischer Unterwasserschallsender. - Google Patents

Einrichtung zur Verbesserung des Wirkungsgrades hydraulischer Unterwasserschallsender.

Info

Publication number
AT81495B
AT81495B AT81495DA AT81495B AT 81495 B AT81495 B AT 81495B AT 81495D A AT81495D A AT 81495DA AT 81495 B AT81495 B AT 81495B
Authority
AT
Austria
Prior art keywords
efficiency
improve
underwater sound
sound transmitters
hydraulic underwater
Prior art date
Application number
Other languages
English (en)
Original Assignee
Signal Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Signal Gmbh filed Critical Signal Gmbh
Application granted granted Critical
Publication of AT81495B publication Critical patent/AT81495B/de

Links

AT81495D 1915-07-22 1917-07-31 Einrichtung zur Verbesserung des Wirkungsgrades hydraulischer Unterwasserschallsender. AT81495B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE81495X 1915-07-22

Publications (1)

Publication Number Publication Date
AT81495B true AT81495B (de) 1920-10-11

Family

ID=5639529

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81495D AT81495B (de) 1915-07-22 1917-07-31 Einrichtung zur Verbesserung des Wirkungsgrades hydraulischer Unterwasserschallsender.

Country Status (1)

Country Link
AT (1) AT81495B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3738446A (en) * 1945-07-04 1973-06-12 R Nottingham Underwater siren

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3738446A (en) * 1945-07-04 1973-06-12 R Nottingham Underwater siren

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