Extended range accelerometer

Details Extended range accelerometer Extended range accelerometer

1996-12-12

1998-05-26

Oda, Christine K.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

7351431, 200 6145M, G01P 1508

Patent

active

057568960

ABSTRACT:
A low noise extended dynamic range accelerometer useful for sensitive seismic observations. The accelerometer's extended range is obtained by utilizing fixed end magnets which non-linearly oppose movement of the magnetic proof mass. Additionally, an aluminum housing material contributes eddy current dampening which produces a critically damped system over a broad range of accelerations.

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patent: 3863508 (1975-02-01), Scarborough et al.
patent: 4043204 (1977-08-01), Hunter et al.
patent: 4845988 (1989-07-01), Russell et al.
patent: 4905517 (1990-03-01), Crowe et al.
patent: 4922753 (1990-05-01), Idogaki et al.
patent: 4991438 (1991-02-01), Evans

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