High accuracy accelerometer
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United States of America Patent
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Jul 15, 1986
Grant Date -
N/A
app pub date -
Feb 22, 1983
filing date -
Feb 22, 1983
priority date (Note) -
Expired
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Abstract
A method and apparatus for measuring acceleration and/or gravity are disclosed. At least one auxiliary mass is provided which, in cooperation with apparatus in accordance with the invention, is alternately engaged to and disengaged from the proofmass of an accelerometer to provide two distinct torque values, each value including a pendulosity-modulated component and an unmodulated component from which a value of acceleration and/or gravity may be extracted that is essentially free from bias uncertainty.
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