Secondary accelerometer pickoff

Details Secondary accelerometer pickoff Secondary accelerometer pickoff

1989-12-29

1992-03-03

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73651, G01P 1513, G01P 1512

Patent

active

050921738

ABSTRACT:
An accelerometer apparatus capable of sensing accelerations ranging from steady state to at least 500 Hertz is described. The apparatus uses a piezo resistive pickoff for low frequency sensing and applies a potential to the accelerometer's pendulum to excite a secondary pickoff for frequencies above 100 Hertz.

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