Microwave resonator accelerometer

Details Microwave resonator accelerometer Microwave resonator accelerometer

1992-01-22

1994-10-04

Williams, Hezron E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73517AV, 324635, 324636, G01P 1508

Patent

active

053515412

ABSTRACT:
A microwave resonator accelerometer including a microwave resonant cavity having a predetermined resonant frequency; the cavity including a flexible portion; a proof mass fixed to the flexible portion for changing the geometry and establishing a new resonant frequency of the cavity in response to an acceleration force on the proof mass; a microwave frequency signal at or approximately at the predetermined resonant frequency coupled to the cavity; and a discrimination circuit, responsive to the reflected microwave signal from the cavity, for discriminating a shift in the predetermined resonant frequency of the cavity to a new resonant frequency effected by the change in geometry of the cavity resulting from the acceleration force on the proof mass.

REFERENCES:
patent: 2520604 (1950-08-01), Linder
patent: 3636752 (1972-01-01), Ishii
patent: 4891982 (1990-01-01), Norling

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