Patent ID: 6307920
Filing Date: 2001-10-23
Classification: H04M

Abstract:
A signaling system that is responsive exclusively to a predefined signal transmitted from a dispatcher at a first location through a telephone service line interconnected thereby with a telephone at a second location to assist responding personnel in identifying the second location when the predefined signal is transmitted from the first location, the signaling system comprising:a first electronic circuit interconnected with said telephone service line, the first electronic circuit being adapted to generate a first signal at said second location in response exclusively to said predefined signal transmitted from the dispatcher at the first location through said telephone service line; and,a second electronic circuit associated with the first electronic circuit at said second location and disconnected from said telephone service line, the second electronic circuit being adapted to generate a visual locating indicia at said second location in response to said first signal transmitted from said first circuit, the visual locating indicia being directly intelligible by the responding personnel.