Patent ID: 6351706
Filing Date: 2002-02-26
Classification: G01C

Abstract:
A navigation apparatus for displaying a map for inputting of a location and tracking of a present position, said apparatus comprising:data storage means for storing map data; navigation data processor means for reading map data out of said data storage means, for location inputting and present position tracking, for editing the read map data to convert it into display data, and for outputting the display data, said navigation data processor means lacking drawing capability and a memory for storing drawn data; a man-machine interface unit separate from said navigation data processor means and having a display memory and picture drawing means for receiving the display data from the navigation data processor means, for expansion and visualization of display data, for drawing expanded and visualized data into the display memory as a drawing range of visualized data, and for establishing a display range for a portion of the drawing range of data drawn into said display memory; and a display unit for display of the visualized data within said display range, said display unit moving said display range.