Accelerometer utilizing an annular mass

Details Accelerometer utilizing an annular mass Accelerometer utilizing an annular mass

1990-12-11

1993-10-05

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Response to multiple sensing means or motion conditions

73517B, 73517A, G01P 1513

Patent

active

052494659

ABSTRACT:
An accelerometer in which the seismic mass is formed in the shape of an annulus. The annular shape allows twisting motions as well as displacement of the seismic mass to be sensed and restoring electrostatic forces applied. This allows the supporting spring to be made extremely weak avoiding the mechanical limitations of springs.

REFERENCES:
patent: 3498138 (1970-03-01), Stewart
patent: 4306456 (1981-12-01), Maerfeld
patent: 4736629 (1988-04-01), Cole

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