Patent ID: 6445397
Filing Date: 2002-09-03
Classification: G01C,G09B

Abstract:
An apparatus for guiding a vehicle comprising:a display screen on which can be displayed a specified portion of a map; an input and control unit for choosing a display scale and for requesting a route sweep; a processor provided with software, so as to manage the display and define the map portion displayed, the software including instructions for moving the map portion displayed from a start point to a finish point defining a route; and wherein the software furthermore includes instructions for adjusting the rate of sweep of the map portion displayed as a function of the display scale requested at the start and of the total distance of the route between the start point and the finish point to be swept, and instructions for varying the scale continuously during the sweep as a function of the instantaneous rate of sweep, and periodically updating the display with a new map portion at the varied scale between the start point and the finish point of the route.