Mining Publication: Waveform Generator for (EM) Location of Trapped Miners
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Original creation date: July 1974
This report describes a circuit for driving a low-frequency loop antenna from a miners cap lamp battery. The circuit is a miniature waveform generator and is part of the electromagnetic (em) trapped miner location system. Two engineering models were designed, constructed, and tested, and 50 final production units were fabricated using discrete component construction. A final discrete potted printed circuit configuration was developed that is now ready for field testing.
Authors: Collins Radio Group Rockwell International
Contract/MOA Report - July 1974
NIOSHTIC2 Number: 10008001
Collins Radio Group Rockwell International, U.S. Bureau of Mines contract No. HO133045. NTIS No. PB-240481, 1974 Jul; :25 pages
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- Page last reviewed: 9/21/2012
- Page last updated: 9/21/2012
- Content source: National Institute for Occupational Safety and Health, Mining Program