Patent ID: 7323991
Filing Date: 2008-01-29
Classification: G07C,H04W

Abstract:
1. A system for locating, tracking and communicating with persons and equipment within a facility comprising: a plurality of access points each interconnected by a network to a location server having a location-determination procedure thereon, the access points including a wireless network interface for wireless communication of data with network-based devices and a radio frequency (RF) location transceiver that communicates with RF tags so as to resolve relative location of the RF tags with respect to the access points; and a plurality of relays that each include a relay RF location transceiver that communicates with the RF tags so as to resolve relative location of the RF tags with respect to the relays and that are constructed and arranged to communicate with at least one access point of the plurality of access points through the RF location transceiver on the access point to report location information related to the RF tags to the access point.