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Patent Filed for Wireless Underground Coal MineTracking System

New 100% wireless communications and locating system for underground miners was recently demonstrated in Illinois.

Active Control Technology Inc. has filed for patent protection for its new ActiveMine technology solution, a 100% wireless communications and locating system for underground miners. The patent protection was filed worldwide for both the ActiveMine technology system and method.

According to a company statement, ActiveMine's patent pending system is the first fully integrated, 100% wireless solution recently made possible by the commercial availability of new
technologies.

ActiveMine is designed to improve underground mining safety and
enhance operating efficiencies through wireless, real-time electronic tracking of personnel and equipment, and robust two-way voice communications with each miner.

The system was successfully demonstrated in an Illinois coal mine on August 22, 2006.