Results 91 - 95 of 95

• Survey of Electromagnetic and Seismic Noise Related To Mine Rescue Communications: Volume II - Seismic Detection and Location of Isolated Miners
  7/1/1974 - Contract reports
  Volume II of this report (Contract No. H0122026) presents the findings of a short intensive assessment performed during the fall of 1972. This assessment provided the federal Bureau of Mines with independent technical judgments regarding the potentials ...
• Mine Communications: An Overview of the Bureau of Mines Communications Research
  6/1/1974 - Conference papers
  Since 1969, the Department of Interior, Bureau of Mines, has carried out communications research. Research has been directed toward developing emergency and nonemergency mine communications. This paper gives an overview of the progress made in the last ...
• Mine Communications: Proceedings: Bureau of Mines Technology Transfer Seminar, Bruceton, Pa, March 21-22, 1973
  1/1/1974 - Information Circulars
  The Technology Transfer Seminar on Mine Communications held on March 21-22, 1973, at the Pittsburgh Mining and Safety Research Center, Bruceton, Pennsylvania, presented information about recently developed equipment, instruments, and techniques for use ...
• Preliminary Performance Predictions For Electromagnetic Through-The-Earth Mine Communications: A Collection of Working Memoranda
  3/1/1972 - Contract reports, Open File Reports
  This 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...
• Communication Systems Research At Bruceton Safety Research Mine
  1/1/1972 - Conference papers
  An 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...