Extended accuracy flexured plate dual capacitance accelerometer

Details Extended accuracy flexured plate dual capacitance accelerometer Extended accuracy flexured plate dual capacitance accelerometer

2007-11-20

2007-11-20

Kwok, Helen (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

C701S001000

Reexamination Certificate

active

10907751

ABSTRACT:
A flexure plate accelerometer system includes a flexure plate and two fixed plates on either side of the flexure plate. The flexure plate generates a flexure plate signal as a function of reference signals received in the fixed plates. A precision transformer generates the reference signals from a precision sine wave generated by a symbol generator controlled by a microprocessor. The microprocessor controls the symbol generator and activates an analog-to-digital converter in response to a signal coincident with a positive and negative peak of the precision sine wave. The analog-to-digital converter generates a digital word from the flexure plate signal, which is processed further in the microprocessor.

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