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Results 11 - 20 of 20
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9/1/2011 - Peer reviewed journal articlesThe objective was to determine if there were visual performance improvements in an underground mining environment when using solid-state cap lamps with LEDs as compared to incandescent light bulbs commonly used in miner cap lamps.
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4/1/2010 - Peer reviewed journal articlesThis NIOSH study determined if new LED-based cap lamp technology has an impact on visual performance in the context of detecting trip hazards for the visual environment of an underground coal mine.
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2/1/2010 - Conference papersThis paper describes the history of mine illumination studies, especially the work done by the former Bureau of Mines.
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11/1/2009 - Peer reviewed journal articlesThe main objective was to determine if there were visual performance improvements for the detection of moving objects in the peripheral field of view when using cool-white LED cap lamps as compared to incandescent cap lamps.
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10/1/2009 - Peer reviewed journal articlesThe objective of the research described in this paper was to determine if light-emitting diodes (LEDs) improve visual performance as compared to traditional incandescent (INC) cap lamps.
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10/1/2008 - Conference papersThis paper describes the performance of LED and incandescent sources in cap lamps in terms of correlated color temperature, color rendering, light output, electric power, ambient temperature and airflow, and light source aging.
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9/1/2007 - Conference papersThe objective of this research was to determine if there were visual performance improvements in an underground mining environment when using solid-state cap lamps with light emitting diodes (LEDs) as compared to incandescent light bulbs commonly used i...
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1/1/1980 - Open File ReportsThis report describes a study designed to evaluate a proposed modification in the cap lamp battery cord intended to reduce the incidence of snagging and catching of the cord.
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7/14/1974 - Contract reportsThis 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 des...
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7/1/1917 - NIOSH/USBM numbered publicationsThis bulletin describes the development of lamps that meet the requirements of the underground mining industry and discusses features and qualities, which in 1916, were being put into use by mine operators in the US at the rate of about 2400 a week.
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Content source: National Institute for Occupational Safety and Health, Mining Program