Communications – electrical: acoustic wave systems and devices – Distance or direction finding – By combining or comparing signals
Patent
1995-09-19
1997-03-25
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Distance or direction finding
By combining or comparing signals
G01S 380
Patent
active
056151756
ABSTRACT:
The present invention relates to a system and a method for determining the earing of an object located at a distance from a reference point. A plurality of sensors are mounted to a body to detect signals emanating from the object and to convert those signals into electrical signals. The electrical signals are then processed to determine the bearing of the object from the body. The system can include a float with the body suspended from said float immersed in a fluid medium. A method for processing the electrical signals and generating the bearing information is also described.
REFERENCES:
patent: 4003016 (1977-01-01), Remley
patent: 4198705 (1980-04-01), Massa
patent: 4305141 (1981-12-01), Massa
patent: 5070484 (1981-12-01), Mantel
Carter G. Clifford
Salt J. Eric
Yuan Yun X.
Kasischke James M.
Lall Prithvi C.
McGowan Michael J.
Pihulic Daniel T.
The United States of America as represented by the Secretary of
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