Patent ID: 8587414
Filing Date: 2013-11-19
Classification: E21F,G01S

Abstract:
1. A wireless information and safety system for mines, characterized in that the system comprises in combination a plurality of programmable active RFID transceiver devices, programmable to operate as coordinators, routers and end devices, having resident hardware application-specific embedded software, and capable of forming a wireless network among themselves; wherein the plurality of programmed RFID transceiver devices are strategically placed to form a unified wireless mesh-networking infrastructure provided with resident wireless sensor network (WSN) application software for tracking, monitoring and storing of information received from the RFID devices connected to sensors; wherein the RFID transceiver devices form an IEEE 802.15.4-based mesh network for tracking of miners and equipment by wireless sensor networking in mines; wherein the RFID transceiver devices feature a 2.4 GHz industrial, scientific and medical (ISM) band; and further wherein the RFID transceiver devices consist of a combination of an antenna (