Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With plurality of transducers
Patent
1983-11-14
1986-03-11
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Distance or direction finding
With plurality of transducers
73646, 367117, G01S 500
Patent
active
045758298
ABSTRACT:
A method of determining both the level of sound occurring at a point in an area of interest and the location of the point. The level of sound at a point in the area of interest is sensed, and a first signal is transmitted from the point. This first signal is received at a first location related to the area of interest, and the direction relative to the first location from which the first signal was transmitted is determined. A second signal is transmitted from the first location which is indicative of the direction relative to the first location from which the first signal was transmitted. Similarly, the first signal is received at a second location related to the area of interest. The direction relative to the second location from which the first signal was transmitted is determined, and a third signal is transmitted from the second location which is indicative of the direction relative to the second location from which the first signal was transmitted. The second and third signals are received at the point and recorded in a correlatable manner with the level of sound sensed at the point.
REFERENCES:
patent: 3357020 (1967-12-01), Slifer, Jr.
Schneider, Sound and Vibration, vol. 9, No. 5, pp. 8 & 10, May 1975.
Farley Richard A.
Shell Oil Company
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