Patent ID: 6853917
Filing Date: 2005-02-08
Classification: G01C

Abstract:
1. A GPS navigation apparatus comprising: a GPS signals receiver for acquiring positional data; a memory for storing positional data comprising a locus of tracking points including a start point, a destination point, and a plurality of intermediary locations points; a registrar for storing and recalling a selected one of a loci of tracking points; a route conversion selector for selecting a conversion type from among a plurality of conversion types, for converting said selected locus of tracking points into a new return route, and wherein each new return route is dependent upon the conversion type; a position data extractor for automatically extracting those data from the selected locus of tracking points designated by the selected type of conversion and creating the new return route based on said automatic data extraction; and a display for graphically illustrating the new return route as a start point, a destination point, and new route data derived from said automatic data extraction.