The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 24, 2001
Filed:
May. 20, 1999
Thomas H. Walters, Gardner, KS (US);
Darin J. Beesley, Overland Park, KS (US);
Stephen C. Robinson, Olathe, KS (US);
Garmin Corporation, , TW;
Abstract
A electronic navigation device utilizing a desired orientation to adjust an electronic map displayed on the device. Acquiring global positioning system data, a processor calculates the current position of the navigation device. Scanning into cartographic memory located in memory, the processor locates a predefined thoroughfare containing or most adjacent the calculated position. Utilizing points located nearest the calculated position, the processor establishes the heading of the thoroughfare at that location. The processor adjusts the orientation of the map display to reflect the calculated heading of the adjacent thoroughfare. The processor continues to update the current position and the heading of the map display on a real time basis.