Ultra low frequency acoustic vector sensor

Details Ultra low frequency acoustic vector sensor Ultra low frequency acoustic vector sensor

2009-03-31

2011-12-27

Lobo, Ian (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

C367S140000, C073S861210

Reexamination Certificate

active

08085622

ABSTRACT:
An acoustic vector sensor mounted in a housing is provided for measuring ultra low frequency acoustic wave particle velocities in a liquid, comprising a horn for amplifying the acoustic wave particle velocities, and a neutrally buoyant object supported in a liquid contained in the horn. The neutrally buoyant object, in reacting to the amplified acoustic wave particle velocities, produces displacements that are sensitively measured.

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patent: 7926614 (2011-04-01), Tenghamn et al.
Gabrielson, Thomas B. et al, “A simple neutrally buoyant sensor for direct measurement of particle velocity and intensity in water”, J. Acoust. Soc. Am., vol. 97 No. 4, (1995), pp. 2227-2237.
Berliner, Marilyn J. et al, Acoustic Particle Velocity Sensors: Design, Performance, and Applications, J. Acoust. Soc. Am., vol. 100, No. 6, (1966), pp. 3478-3479.

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