Submarine emergency communication transmitter

Communications – electrical: acoustic wave systems and devices – Underwater system

Patent

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Details

367145, H04B 1100

Patent

active

050035150

ABSTRACT:
An underwater acoustic transmitter adapted to be released from a submerged ubmarine to float towards the surface of the water and explode a plurality of signalling charges at a predetermined depth in a predetermined time sequence.

REFERENCES:
patent: 2587301 (1952-02-01), Ewing
patent: 2760180 (1956-08-01), Sipkin
patent: 2949853 (1960-08-01), Vogt
patent: 2981927 (1961-04-01), McKenney
patent: 3102475 (1963-09-01), Beckwith, Jr.

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