Acoustic system for measuring the speed of currents in a...

Details Acoustic system for measuring the speed of currents in a... Acoustic system for measuring the speed of currents in a...

G - Physics

01

P

349/39

G01P 5/00 (2006.01) G01P 5/24 (2006.01)

Patent

CA 1075355

Abstract of the Disclosure An acoustic system for measuring the speed of flow or current speed of a body of water employing a measuring path through the water which extends from one shore to the other in a direction oblique to the direction of flow of the water. A triggerable measuring sound generator positioned on one shore transmits a pulse over the measuring path to a receiver on the other shore. The receiver produces an output which triggers the measuring sound generator to emit a subsequent pulse. A measuring circuit evaluates the resulting pulse repetition frequency of pulses emitted by the sound generator and produces an output proportional to the flow speed of the water.

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