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:
Nov. 30, 2004
Filed:
Oct. 07, 2002
Applicant:
Inventors:
Daniel J. Ulrich, Hamilton, OH (US);
Michael Edward Wagener, Arlington Heights, IL (US);
Sanjeev Patel, Chicago, IL (US);
Joseph James Schmid, Gurnee, IL (US);
Robert J. Jennings, Annandale, VA (US);
Assignee:
Hill-Rom Services, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 1/08 ;
U.S. Cl.
CPC ...
G08B 1/08 ;
Abstract
A system is provided for locating and tracking tags within an area. Each tag includes a transmitter configured to transmit a unique identifier periodically. Location messages are received and processed by at least one monitoring system to determine whether a tag has changed location.