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Active Targets For Capacitive Proximity Sensors
Del T. Jenstrom, Robert L. McConnell
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Abstract
Lightweight, low-power active targets devised for use with improved capacitive proximity sensors described in Capacitive Proximity Sensor Has Longer Range (GSC-13377), and Capacitive Proximity Sensors With Additional Driven Shields (GSC-13475). Active targets are short-distance electrostatic beacons; they generate known alternating electro-static fields used for alignment and/or to measure distances.