WINDOWPANE BREAKAGE DETECTOR AND METHOD FOR DETECTING BREAKAGE OF WINDOWPANE GLASS

摘要

PROBLEM TO BE SOLVED: To detect breakage of windowpane.;SOLUTION: A windowpane breakage detector is provided with a conductive pattern (2) disposed on a windowpane (1), a connection terminal (3) connected to one terminal of the conductive pattern and a CR oscillator (4) connected to the connection terminal and detects the breakage of the windowpane by sensing the breakage as a frequency change of the CR oscillator.;COPYRIGHT: (C)2003,JPO