Patent 7146275 was granted and assigned to Inventec on December, 2006 by the United States Patent and Trademark Office.
A digital map generating system retrieves all geographical area information associated with the primary geographical information to generate and store a plurality of target area scalar maps. When the user conducts a search and inputs the search area, one predefined scalar map will be displayed. The processing and waiting time thereby is reduced, and the performance of the digital map utilization is improved.