Differential force balance apparatus
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United States of America Patent
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Apr 23, 1991
Grant Date -
N/A
app pub date -
Aug 31, 1988
filing date -
Aug 31, 1988
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Expired
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Abstract
A force measurement apparatus that provides means to compensate for thermal or other disturbances. The apparatus utilizes non-contact electron transfer mechanisms to provide indications of force sensed on a test mass. A plurality of electrodes are used in a differential measurement mode to provide self-zeroing and distortion compensation.
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