Inductively coupled force balance instrument

Details Inductively coupled force balance instrument Inductively coupled force balance instrument

1988-08-04

1990-01-09

Levy, Stewart J.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

G01P 1511, G01P 1513

Patent

active

048919837

ABSTRACT:
Corrective forces are applied to a movable sensitive element of a force balance instrument by inducing a current within a coil of conductive material carried by the sensitive element so that the coil interacts with an external magnetic field. The sensing element is typically maintained at a null position by controlling the interaction between the coil and the external field. In a specific embodiment, the sensing element has at least one coil wound about each of three orthogonal axes and currents are induced within each of the coils to suspend the element.

REFERENCES:
patent: 4145929 (1979-03-01), Aske
patent: 4649748 (1987-03-01), Fukano et al.
patent: 4711125 (1987-12-01), Morrison
Bernard, A. et al., "Three-Axis Electrostatic Accelerometer", Symposium Gyro Technology (1985), pp. 12.0-12.23.

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