Wireless mine tracking, monitoring, and rescue communications system
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United States of America Patent
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Oct 23, 2012
Grant Date -
Jun 12, 2008
app pub date -
Jul 10, 2007
filing date -
Jul 10, 2006
priority date (Note) -
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Abstract
An intrinsically safe accurate location information network for personnel and assets in underground mines, including wireless access points and subnetwork controllers, active wireless locator/messenger tags, network controller(s), and enterprise servers running application control software. The wireless access points are installed in mine entries and crosscuts and track the active wireless locator/messenger tags. The active tags may be worn by mine personnel or installed in mining equipment. The network subsystems form relay networks that wirelessly carry telemetry and control data without the need to penetrate the earth. The subsystems determine the location of persons and assets underground and monitor safety-related information, which can be used for disaster avoidance, early warning of impending disaster, and improved rescue effectiveness.
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