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:
May. 05, 2015
Filed:
Nov. 13, 2012
Applicant:
Research IN Motion Limited, Waterloo, CA;
Inventors:
Robert George Oliver, Waterloo, CA;
Adam Louis Parco, Kitchener, CA;
Christopher James Grant, Waterloo, CA;
Assignee:
Blackberry Limited, Waterloo, CA;
Primary Examiner:
Int. Cl.
CPC ...
G01C 17/38 (2006.01); G01C 17/28 (2006.01);
U.S. Cl.
CPC ...
G01C 17/28 (2013.01); G01C 17/38 (2013.01);
Abstract
A method of indicating an interference magnetic field at an electronic device includes: displaying a first arrow indicating a direction of magnetic north on a display of the electronic device, the direction of the first arrow corrected to remove interference caused by an interference magnetic field; and displaying a second arrow indicating a direction of a source of the interference magnetic field on a display of the electronic device.