×

Emergency vehicle warning system

  • US 6,822,580 B2
  • Filed: 04/03/2001
  • Issued: 11/23/2004
  • Est. Priority Date: 05/07/1999
  • Status: Active Grant
First Claim
Patent Images

1. An emergency vehicle warning system for informing a driver in a private vehicle that an emergency vehicle is approaching and providing the driver of the private vehicle with information on the direction to move the private vehicle in order to allow the emergency vehicle to pass the private vehicle, the system comprising:

  • a private vehicle mounted receiving system comprising of;

    an antenna consisting of five monopole components for receiving an identification signal from the emergency vehicle;

    a display for informing the driver of the private vehicle of the approach of an emergency vehicle and means for informing the driver of the private vehicle of the direction to move in order to yield to the emergency vehicle; and

    an identification signal transmitter for providing the identification signal, so that the receiving system identifies that the approaching vehicle is an emergency vehicle and determines the direction of approach of the emergency vehicle through a time difference between receipt of the identification signals.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×