Patent ID: 6046688
Filing Date: 2000-04-04
Classification: G01C,G08G

Abstract:
A location system for an automotive main vehicle comprisinga navigation device including a global positioning system receiving unit, a navigation unit containing pictorial map data in communication with said receiving unit, a first display unit for displaying a position of said main vehicle and at least some of said pictorial map data;a main vehicle system including a transceiver for receiving position indicating signals transmitted from a signal source of an automotive related vehicle said transceiver being separate from said global positioning system receiving unit, a control unit connected to said navigation unit and said transceiver for computing a position of said related vehicle relative to said main vehicle in accordance with said position indicating signals from said signal source of said related vehicle, and a second display unit, separate from said first display unit, for displaying a position of said related vehicle relative to said main vehicle, said second display includes at least some of said map data.