Method and apparatus for guiding a torpedo

Details Method and apparatus for guiding a torpedo Method and apparatus for guiding a torpedo

1982-12-07

1993-09-28

Jordan, Charles T.

Ships

Torpedoes

With homing means

F42B 1901

Patent

active

052478955

ABSTRACT:
Method and apparatus for guiding an acoustic torpedo toward a ship selected as target which, as a defence against torpedoes drags noise generating decoys (so-called disturbance generators) wherein the torpedo is acoustically guided toward the noise source having the greatest noise level for the torpedo. As the torpedo approaches the noise source a check is made for the presence of a wake, and after detection of a wake in the immediate vicinity of the noise source during passage of the torpedo underneath the noise source, a check is made for the minimum expanse of the noise source in the vertical and travelling direction of the torpedo. The torpedo is set to search for a further noise source if no wake is detected or if a wake is detected in the vicinity of the noise source but a predetermined minimum expanse for the noise source is not detected.

REFERENCES:
patent: 1861215 (1932-05-01), Hammond, Jr.
patent: 2409632 (1946-10-01), King
patent: 3049087 (1962-08-01), Conley et al.
patent: 3721952 (1973-03-01), Strapp

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