Patents Assigned to Maptech, Inc.
  • Multi-scale view navigation system, method and medium embodying the same
    Patent number: 6907345
    Abstract: A system and method for displaying a chart or map such that the area in close proximity to an area of interest is in greater scale than an area that is distant and creating the image dynamically. The method includes a projection function capable of creating or reading reduced scale cache images and displaying those images concurrently with full detail source chart images.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: June 14, 2005
    Assignee: Maptech, Inc.
    Inventors: Christopher E. Shipley, Yegeni Berezovsky