Acoustic gyroscope

Details Acoustic gyroscope Acoustic gyroscope

1990-02-20

1991-10-01

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

G01P 900

Patent

active

050522256

ABSTRACT:
An acoustic gyro comprises two vessels disposed at both sides of a single separator, at least one sensing duct coupled with these two vessels, a single sound source provided on the separator to differentially provide a volume change to the two vessels, and at least one sound detector attached to each of at least one sensing duct, wherein, when the gyro is rotated, the sound detector detects a change in the sound pressure caused by the Coriolis force at a position other than an acoustic neutral point within the sensing duct to obtain an output corresponding to an angular rate of the rotation.

REFERENCES:
patent: 4672848 (1987-06-01), Gohin et al.

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