Patent ID: 6339382
Filing Date: 2002-01-15
Classification: G08G

Abstract:
An emergency vehicle alert system comprising:an emergency vehicle unit receiving at least three GPS signals from a plurality of GPS satellites and converting thereof to an emergency location signal string, said emergency location signal string being transmitted by said emergency vehicle unit, said emergency location signal string providing a location of an emergency vehicle; and a motor vehicle unit receiving said emergency location signal string, said motor vehicle unit receiving at least three different GPS signals from the plurality of GPS satellites and converting thereof to a vehicle location signal string, said vehicle location signal string providing a location of a motor vehicle; a warning display having at least four indicator lamps, said at least four indicator lamps corresponding to front, rear, left and right locations, said microcontroller enabling at least one said indicator lamp in response to the location of an emergency vehicle relative to said motor vehicle unit when the emergency vehicle is less than a set distance from said motor vehicle unit; and all indicator lights being enabled when the emergency vehicle is less than a second set distance from said motor vehicle unit, said second set distance being less than said set distance.