Method and apparatus for protecting a miner
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United States of America Patent
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Jul 18, 2017
Grant Date -
Dec 18, 2014
app pub date -
Jul 7, 2014
filing date -
Jun 7, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus for protecting a miner from injury by a machine in a mine includes an explosion-proof housing. The apparatus includes a proximity sensing portion disposed in the explosion-proof housing having a magnetic field source which produces a magnetic field that is used to sense a location of the miner relative to the machine. The apparatus includes a wireless communication portion disposed in the explosion-proof housing through which the magnetic field produced by the magnetic field source is changed remotely and wirelessly from outside the explosion-proof housing. A method for protecting a miner from injury by a machine. A system for protecting a miner from injury by a machine in a mine.
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