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:
Nov. 13, 2012

Filed:

Jul. 28, 2010
Applicants:

Harry G. Derks, Holland, MI (US);

William S. Buehler, Zeeland, MI (US);

Michael B. Hall, Holland, MI (US);

Ann Elizabeth Hall, Legal Representative, Holland, MI (US);

Inventors:

Harry G. Derks, Holland, MI (US);

William S. Buehler, Zeeland, MI (US);

Michael B. Hall, Holland, MI (US);

Ann Elizabeth Hall, legal representative, Holland, MI (US);

Assignees:

Versus Technology, Inc., Traverse, MI (US);

Fleetwood Group, Inc., Holland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A real-time method and system of determining and validating location of a relocated mobile object or person in a tracking environment in which a plurality of sensors are located are provided. The method includes modulating a first carrier signal with a first packet including a first set of data to obtain a modulated first signal. The first signal contains the first packet and has a first precision and a first range within the environment. A modulated second signal is received from at least one of the sensors including the nearest sensor. The second signal contains a second packet including a second set of data and has a second precision and a second range within the environment. The method further includes determining and validating current location of the relocated tag within the environment based on a plurality of second packets.


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