Patent ID: 8427306
Filing Date: 2013-04-23
Classification: G08B

Abstract:
1. An article management system, comprising: a central response device incorporated into a first article, wherein the first article is configured to be worn by a user; a response device incorporated into a second article; a central management device incorporated into a third article, wherein the central management device can communicate with the central response device wirelessly, wherein the first article is less frequently removed from the user than the second article and the third article, and wherein the central management device comprises: an interrogator that communicates wirelessly with the central response device and with the response device, wherein the central response device comprises: a detector that detects a communication distance between the interrogator and the central response device; and an alarm portion that notifies the user when the communication distance detected by the detector reaches or exceeds a standard value, wherein the central response device is installed in a metal accessory, and wherein the metal accessory is electrically connected to the central response device, and is used as an antenna.