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.

Date of Patent:
Aug. 22, 2017

Filed:

Jul. 27, 2015
Applicant:

Beijing Launch Technology Development Co. Ltd., Beijing, CN;

Inventors:

Hao Chen, Beijing, CN;

Jian Wu, Beijing, CN;

Jianqiang Zeng, Beijing, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01S 3/12 (2006.01); G01S 1/08 (2006.01); G01S 3/14 (2006.01); G07C 9/00 (2006.01);
U.S. Cl.
CPC ...
G01S 3/12 (2013.01); G01S 1/08 (2013.01); G01S 3/143 (2013.01); G07C 9/00 (2013.01);
Abstract

An identification method comprising: when an object is in a whole process from entering to separating from a region inducted by the low-frequency electromagnetic field, receiving the low-frequency signal of the low-frequency electromagnetic field in real time; extracting the attribute code and signal intensity corresponding to the low-frequency signal received and conducting associate storage; and after the object separates from the region inducted by the low-frequency electromagnetic field, determining the route direction along which the object passes through the vector beacons according to the attribute code and signal intensity stored.


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