PS 911

PORTABLE WIRELESS SYSTEM FOR EMERGENCY LOCATION AND IDENTIFICATION OF A USER IN AN EMERGENCY LIFE THREATENING AND NON-LIFE THREATENING SITUATION, NAMELY; A TRANSMITTER CARRIED BY A USER FOR TRANSMITTING LOCATION AND IDENTIFICATION INFORMATION ABOUT A USER FROM THE USER TO A CENTRAL STATION AND A TRACKING SYSTEM COMPRISING A PLURALITY OF RECEIVERS FOR TRIANGULATING THE USER'S SIGNAL FOR THE PURPOSE OF TRACKING THE USER