Importance

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Abstract

An improved electrostatic angle resolver is disclosed which eliminates capacitive coupling surfaces from rotor and stator device components of the invention, thus reducing over all space necessary for the resolver. Additionally, the concept disclosed also eliminates the need for rotor guarding techniques to prevent signal loss due to stray and parasitic capacitances. Essentially, current required to maintain capacitor plates at a particular voltage is monitored, and the variations in the current are transformed into voltages, and supplied to an amplifier which, in turn, provides isolation between the sensor, and associated angular decoding circuitry.

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First Claim