Communications – electrical: acoustic wave systems and devices – Echo systems – Speed determination
Reexamination Certificate
2006-09-28
2010-11-23
Lobo, Ian J (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Echo systems
Speed determination
C367S089000, C073S170130
Reexamination Certificate
active
07839720
ABSTRACT:
A system and method for measuring velocity in a fluid medium utilizing a transducer are disclosed. In one aspect, the method comprises transmitting an acoustic signal comprising N (where N is integer and N>1) pings for each of a plurality of beams, receiving echoes from each ping, obtaining a velocity estimate for each of the N pings based on echoes of the ping, and calculating a velocity based on the sum of the N velocity estimates such that the velocity is substantially free from error caused by cross-coupling between the beams.
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Brumley Blair H.
Rowe Fran
Vogt Mark A.
Knobbe Martens Olson & Bear LLP
Lobo Ian J
Teledyne RD Instruments, Inc.
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