US Patent 9080874 Generating magnetic field map for indoor positioning

Patent 9080874 was granted and assigned to IndoorAtlas on July, 2015 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Applicant

IndoorAtlas

Current Assignee

IndoorAtlas

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

9080874

Date of Patent

July 14, 2015

Patent Application Number

13733439

Date Filed

January 3, 2013

Patent Primary Examiner

‌

Andrew W Johns

Patent abstract

There is provided an apparatus caused to acquire information indicating a measured magnetic field vector and information relating to an uncertainty measure of the measured magnetic field vector in at least one known location inside the building, wherein the indicated magnetic field vector represents magnitude and direction of the earth's magnetic field affected by the local structures of the building, and to generate the indoor magnetic field map for at least part of the building on the basis of at least the acquired information and the floor plan.