CPC G01N 27/221 (2013.01) [G01M 3/16 (2013.01); G01N 27/223 (2013.01)] | 19 Claims |
1. A method of detecting, identifying and discriminating various dielectrics in contact with a capacitive structure of a sensor by reading the total resulting charge on the capacitor using combinations of the group consisting of:
varying the charge time;
various selections of charge polarity and charge time;
varying the charge voltage;
various selections of AC charging with DC offset;
various selections of discharge resistance;
using cycles of charging, discharging, charging, each using different parameters.
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