Microwave vector displacement and acceleration transducer

Details Microwave vector displacement and acceleration transducer Microwave vector displacement and acceleration transducer

1994-12-14

1996-08-20

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

7351416, G01P 1508

Patent

active

055468063

ABSTRACT:
A microwave resonant cavity comprises a resonator whose normal RF electromagnetic modes are varied by displacement of a probe. Acceleration of the cavity displaces the probe. The acceleration is determined by the variation in preselected discrete modes. The electrical components of the device may be built from planar structures and microwave energy may be generated within the device.

REFERENCES:
patent: 3636752 (1972-01-01), Ishii
Blair et al., "Microwave Non-Contacting Accelerometer for Gravity Wave Antenna", IEEE Trans., vol. MAG-13, No. 1, Jan. 1977, pp. 350-353.
Blair, "Superconducting Accelerometer Using Niobium-on-Sapphire RF Resonator", Rev. Sci. Instr. 50(3), pp. 286-291, May 1979.
W. C. Oelfke et al., "Operation of an Ultrasensitive Superconducting Accelerometer," IEEE Trans., vol. MAG-17, No. 1, Jan. 1981, pp. 853-854.

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