Method and apparatus for emulation of a linear variable differential transducer by a capacitive gaging system
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United States of America Patent
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Jan 13, 1998
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N/A
app pub date -
Mar 7, 1996
filing date -
Mar 7, 1996
priority date (Note) -
Expired
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Abstract
A capacitive gaging system comprising a capacitive displacement sensor and an interface circuit is used to replace a Linear Variable Differential Transducer (LVDT). An output of the capacitive displacement sensor is modified by the interface circuit which provides an output signal or signals representative of different types of LVDT outputs. The capacitive displacement sensor and the interface circuit can then be used to replace the LVDT in an LVDT measurement system. Accordingly, the capacitive displacement sensor and the interface circuit replace the LVDT without replacing the rest of the measurement system.
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