Magneto-inductive submarine communications system and buoy

Details Magneto-inductive submarine communications system and buoy Magneto-inductive submarine communications system and buoy

1998-08-10

2000-05-02

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Transponders

Sonobuoys and sonobuoy systems

367134, H04B 159

Patent

active

060580712

ABSTRACT:
A magneto-inductive submarine communication system and buoy provide two-way signal communications between a submerged craft, such as a submarine and remote command station that may be airborne, on the surface, or on land. A buoy released from the submarine and floating on the surface of the ocean and a satellite is included to complete the bidirectional communications. Messages and commands between the submerged craft and the buoy are communicated by magneto-inductive message signals and magneto-inductive command signals in the extremely low frequency (ELF) to very low frequency (VLF) range of less than 3000 Hz. Message and command communications between the buoy and the satellite (or aircraft, or helicopter, or surface ship), and the satellite to the station are transferred via radio frequency (RF) signals or laser emissions.

REFERENCES:
patent: 4203160 (1980-05-01), Doherty
patent: 4458248 (1984-07-01), Lyasko
patent: 5452262 (1995-09-01), Hagerty

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