×

Intersection vehicle collision avoidance system

  • US 20120095646A1
  • Filed: 11/08/2011
  • Published: 04/19/2012
  • Est. Priority Date: 09/15/2009
  • Status: Active Grant
First Claim
Patent Images

1. - A system for avoiding intersection vehicle collision, said system comprises of;

  • a vehicle mount or portable collision avoidance device, containinga vehicle speed compare-tore CPU, anda vehicle travel direction and location detection circuitry,an RF transceiver, for receiving traffic signal light condition information from a broadcasting station includes a traffic light ID number, at least one traffic light condition signal information at acquisition time, and designed to communicate with RF warning alarm signal(s) with other vehicle(s), equipped with a collision avoidance device, anda first and a second warning alarm circuitry,said traffic light broadcasting station transmitting unique coded signals containing information to each one of a particular location traffic signal light condition, if a particular traffic signal condition information does not permit particular direction traveling vehicle(s) to pass the intersection, at a predetermine distance from said intersection, said vehicle(s) collision avoidance device receiver receiving said uniquely coded traffic signal condition signal information associated with said vehicle travel direction, said vehicle collision avoidance device processor compares said received traffic signal condition signal information with said vehicle location distance from said intersection signal light location and vehicle speed, if said vehicle speed is not in compliances with said traffic signal condition, said vehicle collision avoidance device initiates said first internal warning alarm signal(s) to warn the driver to slow down the vehicle to stop at said intersection, if the driver becomes non responsive to said first alarm signal(s), at a predetermined time said vehicle collision avoidance device initiates said secondary external alarm signal by transmitting RF warning signal(s) to said other vehicle(s) located within or within the boundaries of said intersection, said other vehicle(s) collision avoidance device upon receipt of said transmitted signal(s) generates a warning alarm signal(s) to alert the driver to take necessary measures to avoid intersection collision with said vehicle.

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