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:
Jan. 27, 2009
Filed:
Apr. 09, 2004
Thomas H. Walters, Gardner, KS (US);
Cliff A. Pemble, Olathe, KS (US);
Min H. Kao, Leawood, KS (US);
Thomas H. Walters, Gardner, KS (US);
Cliff A. Pemble, Olathe, KS (US);
Min H. Kao, Leawood, KS (US);
Garmin Ltd., , KY;
Abstract
Systems and methods are provided for complementary navigation devices with various integrated positioning functionality. The navigation method includes providing a first navigation device. The first navigation device includes a triangulation positioning functionality. The method includes providing a second navigation device adapted to communicate with the first navigation device. The second navigation device includes one or more dead reckoning positioning components. The method further includes resolving a position of the first and the second navigation devices. Resolving the position includes using the one or more dead reckoning positioning components in complement to the triangulation positioning functionality to determine the position when the triangulation positioning functionality is degraded.