Communications: electrical – Continuously variable indicating – With particular transmitter
Patent
1989-05-26
1991-04-30
DeMeo, Palmer C.
Communications: electrical
Continuously variable indicating
With particular transmitter
324660, G08C 1910
Patent
active
050122371
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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"Capacitive Rotary Motion Digitizer", P. A. Quinn, Jr. and D. L. West, p. 6538, IBM Technical Disclosure Bulletin, vol. 24, No. 12, May 1982.
Cummins Electronics Company, Inc.
DeMeo Palmer C.
Lau Yuk H.
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