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:
Jul. 21, 2015
Filed:
Mar. 11, 2013
Applicant:
Awarepoint Corporation, San Diego, CA (US);
Inventors:
Matthew R. Perkins, San Diego, CA (US);
Anthony Truscott, San Diego, CA (US);
Wei Geng, San Diego, CA (US);
Assignee:
AWAREPOINT CORPORATION, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 3/02 (2006.01); G07C 9/00 (2006.01); G01B 11/14 (2006.01); G01S 3/80 (2006.01); G01S 5/12 (2006.01);
U.S. Cl.
CPC ...
G01S 3/02 (2013.01); G01B 11/14 (2013.01); G01S 3/80 (2013.01); G07C 9/00111 (2013.01); G01S 5/12 (2013.01);
Abstract
A method and system for determining a real-time location of an object or person in a facility using low frequency magnetic induction positioning is disclosed herein. Each of the plurality of low frequency receivers is configured to receive a signal packet from a low-frequency magnetic induction transmitter, decode the signal packet, and estimate a distance from the low-frequency magnetic induction transmitter to the low-frequency receiver based on the decoded signal packet.