A system and/or method for sensing the presence of moisture (e.g., rain) and/or other material(s) on a window such as a vehicle window (e.g., vehicle windshield, sunroof or backlite). In certain example embodiments of the invention, at least one sensing capacitor is supported by a window such as a vehicle...http://www.google.com/patents/US7492270?utm_source=gb-gplus-sharePatent US7492270 - Rain sensor with sigma-delta modulation and/or footprinting comparison(s)
