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. 22, 2020
Filed:
Apr. 10, 2017
Applicant:
The Regents of the University of Michigan, Ann Arbor, MI (US);
Inventors:
Mark B. Moldwin, Ann Arbor, MI (US);
Lauro V. Ojeda, Ann Arbor, MI (US);
Assignee:
THE REGENTS OF THE UNIVERSITY OF MICHIGAN, Ann Arbor, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/14 (2006.01); G01C 21/16 (2006.01); H04W 64/00 (2009.01); G01S 1/68 (2006.01); G01R 33/02 (2006.01);
U.S. Cl.
CPC ...
G01C 21/165 (2013.01); G01R 33/02 (2013.01); G01S 1/68 (2013.01); H04W 64/00 (2013.01);
Abstract
A magnetic beacon and inertial sensor system for precise indoor localization is provided using active magnetic beacons, magnetometers and inertial measurement units. The system is designed to work in environments that are not conducive to radio frequency (RF) (such as GPS, cell, Wi-Fi, or Bluetooth) or optical techniques (CCTV, IR), such as inside heavy industrial plant settings, underground or underwater.