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- Through-the-earth communications systems
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1/1/1982 - Reports of InvestigationsThe Bureau of Mines (NIOSH Mining) has conducted field studies in coal mines throughout the United States to determine the effectiveness of electromagnetic techniques in locating miners trapped underground following a mine accident.
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12/1/1980 - Contract reports, Open File ReportsThe objective of this program was to design and build a self-contained system for remote monitoring of the atmosphere in mines. The system developed uses the mine pager phone line as the primary communication channel and also has the capability of using...
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7/1/1980 - Conference papersField studies have been conducted in a large number of coal mines throughout the U.S. to determine the effectiveness of electromagnetic techniques in locating men trapped underground following a mine disaster.
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1/15/1979 - Contract reportsCharacteristics of metal-nonmetal mines were evaluated to determine the suitability of applying the Bureau of Mines electromagnetic (em) location system to locating trapped miners.
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1/1/1977 - Conference papersThis report is a comprehensive summary of the results of the propagation measurements program conducted for the Bureau of Mines.
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8/1/1976 - Conference papersA whole mine, computer-controlled communication and monitoring system for both normal and emergency use is installed and operating in the U.S. Steel Robena Mine complex near Uniontown, Pa. Experience with the system is reviewed.
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11/1/1974 - Contract reportsEight coal mines were visited to determine their communications usage and requirements. Available equipment was surveyed and evaluated to determine its applicability to the needs of the mines. Volume 3 contains all information used in predicting the per...
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5/1/1973 - Contract reportsThe results of a two-year research effort aimed at improving communication systems in coal mines is reported, as well as a review of communication methods presently used in coal mines. Theoretical and-experimental results of a four pronged effort in the...
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3/1/1972 - Contract reports, Open File ReportsThis report comprises three working memoranda that present preliminary performance estimates for baseband voice and narrowband through-the-earth electromagnetic communications systems of principal interest to the Bureau of Mines for operational/emergenc...
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1/1/1972 - Conference papersAn environment monitoring and communication system has been installed in the Bruceton Mine, and research is under way to improve mine safety. Standard day-to-day mine communications are available, along with additional systems installed to permit experi...
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Content source: National Institute for Occupational Safety and Health, Mining Program