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:
Aug. 23, 2011
Filed:
Mar. 08, 2010
John K Stevens, Stratham, NH (US);
M Jason August, Toronto, CA;
Paul Waterhouse, Selkirk, CA;
Kenneth Truong, Scarborough, CA;
Christopher W Verge, Hamilton, CA;
Michael J Vandenberg, Erin, CA;
John K Stevens, Stratham, NH (US);
M Jason August, Toronto, CA;
Paul Waterhouse, Selkirk, CA;
Kenneth Truong, Scarborough, CA;
Christopher W Verge, Hamilton, CA;
Michael J Vandenberg, Erin, CA;
Visible Assets, Inc., Mississauga, Ontario, CA;
Abstract
A system and associated tag for detecting and tracking people makes use of a low radio frequency detection tag. Each tag comprises an antenna operate at a at a low radio frequency not exceeding 1 megahertz, a transceiver connected to the tag's antenna operable to transmit and receive data signals at low radio frequency, a data storage for storing the tag identification data, a data processor operable to process data received from the transceiver and the data storage device and causes the transceiver to emit an identification signal based upon the stored identification data, and an energy source to supply power for the operation of the tag's transceiver and data processor. The tag also includes a display operable to display data relating to the tag and to a person carrying said tag. A field antenna is used with a reader, a transmitter and a central data processor to provide communication between the tags and the central data processor.