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Electrical Sensor Of Plane Coordinates, George S. Hurst, James E. Parks
Electrical Sensor Of Plane Coordinates, George S. Hurst, James E. Parks
Physics and Astronomy Faculty Patents
An inexpensive electrical sensor of plane coordinates employs juxtaposed sheets of conducting material having electrical equipotential lines extending across each sheet and arranged normal to each other. A probe upon touching each sheet at a selected intersection of the equipotential lines causes separate signals to be applied to one or more conventional information-indicating units.