System and method of operation thereof for increasing...

Details System and method of operation thereof for increasing... System and method of operation thereof for increasing...

2008-09-30

2008-09-30

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Transponders

C367S003000

Reexamination Certificate

active

11820034

ABSTRACT:
Disclosed is a system, and a method of operation thereof, which improves the RF link employed between a transmitting sonobuoy and an associated receiving aircraft. The sonobuoy receives acoustic information from hydrophones and transmits this information to the aircraft, via beams having a predetermined frequency spectrum. The system breaks the total frequency spectrum of the beams into sub-bands. The sub-bands are multiplexed on the RF link interconnecting the sonobuoy to the aircraft. More particularly, the frequency spectrum defining an acoustic bandwidth of about 750 Hz is broken into a selected number (e.g., 6 or 4) of sub-bands and multiplexed onto and forming the RF link.

REFERENCES:
patent: H001171 (1993-04-01), Fillhart et al.
patent: 6506160 (2003-01-01), Van Stralen et al.
patent: 2004/0181154 (2004-09-01), Peterson et al.
patent: 2005/0203402 (2005-09-01), Angelsen et al.

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