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:
Sep. 14, 2010
Filed:
Sep. 23, 2002
Michael A. Martinelli, Winchester, MA (US);
Paul Kessman, Broomfield, CO (US);
Brad Jascob, Broomfield, CO (US);
Michael A. Martinelli, Winchester, MA (US);
Paul Kessman, Broomfield, CO (US);
Brad Jascob, Broomfield, CO (US);
Medtronic Navigation, Inc., Louisville, CO (US);
Abstract
A system for and method of determining and compensating for the effect of a field influencing object on a field sensor, preferably a coil, that is within a navigational domain. The system includes a first and second transmitter to create signals. A signal processor is able to process the created signals. The method can include determining interference and/or a correct signal based on the two signals. Also, a shield can be provided to limit transmission of selected fields.