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About Capacitive Proximity Sensors
Capacitive proximity sensors use the face or surface of the sensor as one plate of a capacitor, and the surface of a conductive or dielectric target object as the other. The capacitance varies inversely with the distance between capacitor plates in this arrangement, and a certain value can be set to trigger target detection.
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Engineering Web: Capacitive Proximity Sensors - Machine Design
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Capacitive sensors | Machine Design Capacitive proximity sensors use two metal electrodes or plates to generate a high-frequency electrostatic field. |
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Sensor Sense: Capacitive Touch Sensors | Theremin uses body... Sensor Sense: Capacitive Touch Sensors February 2, 2009 |
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Proximity Sensors | Machine Design In capacitive proximity sensors, the sensed object changes the dielectric constant between two plates. |

