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 or backlite). In certain example embodiments, a capacitor-based system and/or method is provided for auto-correlating sensor data to determine...http://www.google.com.au/patents/US7752907?utm_source=gb-gplus-sharePatent US7752907 - Rain sensor for detecting rain or other material on window of a vehicle or on other surface
