Patent ID: 6127945
Filing Date: 2000-10-03
Classification: G01C,G01S,H04L

Abstract:
A personal navigation device comprising:a portable navigation unit adapted to be hand-held, said portable navigation unit including;a communication device adapted to receive data and transmit data therefrom,a position determining system determining the geographic location of said portable navigation unit, anda graphic display coupled to said position determining system, said graphic display adapted to display only a representation of the current location of said portable navigation unit with respect to a previously selected location such that said portable navigation unit provides a cursor, a vector extending from said cursor towards the direction in which said personal navigation device is moving, wherein the length of said vector corresponds to the speed of said portable navigation unit such that the faster said portable navigation unit moves the greater the length of said vector, said graphic display further adapted to display icons representing selected locations and cross track error indicia, said graphics display not providing extraneous information including latitude, longitude and complex map information of said geographic location of said portable navigation unit on said display.