Digital interface system

Details Digital interface system Digital interface system

1981-04-30

1983-07-05

Cangialosi, Sal

Telecommunications

Use or access blocking

455 27, H04K 100

Patent

active

043922414

ABSTRACT:
A system interfaces classified information for encryption and transmission over ultra high frequency (uhf) or high frequency (hf) bands and for receiving and decryption of uhf and hf information for relay to a tactical data unit or a vocoder unit. The uhf link is relayed by satellite while the hf link follows a more conventional path to provide for backup in case one link or the other somehow is disabled. Optionally, a uhf submarine-satellite information exchange capability system (SSIXS) is included when the rest of the system is not utilized.

REFERENCES:
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patent: 3879582 (1975-04-01), White et al.
patent: 3964056 (1976-06-01), Charpentier et al.
patent: 3970994 (1976-07-01), Jenny
patent: 3993997 (1976-11-01), Jackson
patent: 4034346 (1977-07-01), Hostein
patent: 4047162 (1977-09-01), Dorey et al.
patent: 4140972 (1979-02-01), Enriquez et al.
patent: 4184117 (1980-01-01), Lindner
patent: 4320514 (1982-03-01), Haskell
"Navy UHF Satellite Communication System Description", PME-106 (7/80), U.S. aval Electronics Systems Command Publication.

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