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:
Apr. 01, 2003
Filed:
Nov. 23, 1999
Edward A. Richley, Gaithersburg, MD (US);
Roy Want, Los Altos, CA (US);
Kenneth P. Fishkin, Redwood City, CA (US);
Beverly L. Harrison, Palo Alto, CA (US);
Anuj Uday Gujar, Mountain View, CA (US);
Xerox Corporation, Stamford, CT (US);
Abstract
A system for identification and tracking of tags distributed in a room, wherein the system includes an electromagnetic pulse generator to produce a local electromagnetic spike, a tag reactive to the local electromagnetic spike to provide a data signal, a data receiver for receiving the data signal, and a tag tracking system receiving input from the electromagnetic pulse generator and the data receiver, the tag tracking system storing state records of position and informational content of the tag.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile