Results 61 - 70 of 131

• Wireless Mesh Mine Communication System
  9/17/2012 - Contracts and cooperative agreements
  A contract to design, adapt, construct, install, and evaluate a wireless mesh communication network in an underground coal mine.
• NIOSH-Sponsored Research in Through-the-Earth Communications for Mines: A Status Report
  9/1/2012 - Peer reviewed journal articles
  National Institute for Occupational Safety and Health research aimed at demonstrating the feasibility of through-the-earth (TTE) wireless communication in mining.
• Technology News 547 - Cost-Effective, Off-the-Shelf Wireless Links for Surface Integrated Mine Emergency Communications
  12/1/2011 - Technology News
  A surface network system using off-the-shelf components successfully established strategic communications links in a limited mine-simulated environment. The system could be expanded to link other communication devices and a command center.
• Technology News 544 - New Measurement Tool to Validate Wireless Communications and Tracking Radio Signal Coverage in Mines
  10/1/2011 - Technology News
  This technology is used to map communications and tracking coverage in underground mines. It is important to know coverage of these systems during a mine emergency.
• Radio 101: Operating Two-Way Radios Every Day and in Emergencies
  8/1/2011 - Reports of Investigations, Training materials
  Radio 101 is a program to train miners in the use of two-way radio communication in the mines.
• Installation of a Digital, Wireless, Strong-Motion Network for Monitoring Seismic Activity in a Western Colorado Coal Mining Region
  4/1/2007 - Conference papers
  This paper describes a seismic monitoring network that has recently been installed in the North Fork Valley coal mining region of western Colorado as part of a NIOSH mine safety technology transfer project with two longwall coal mine operators.
• A Technology Review of Smart Sensors with Wireless Networks for Applications in Hazardous Work Environments
  4/1/2007 - Information Circulars
  The major focus of this report is on smart sensors and wireless sensor networks. The "Future Research" section pulls together the three critical technologies by proposing applications that are relevant to mining.
• A GPS Based System for Minimizing Jolts to Heavy Equipment Operators
  10/1/2004 - Conference papers
  Describes a method for assessing equipment jolting using a combination of "black boxes" called Shox Boxes and an onboard GPS system. The resulting configuration provides an objective assessment of jolting and a chance to determine its root causes.
• Remote Gob Gas Venthole Monitoring and Cellular Telephone-Based Real-Time Data Transmission System
  10/1/2002 - Conference papers
  Report on the development and field testing of a solar powered, remote gob gas venthole monitoring and cellular telephone-based real-time data transmission system.
• Advances in Mine Emergency Communications
  4/1/1994 - Conference papers
  To address communicating while wearing an SCSR, two-way, FM radios were built in and improved mouthpieces were added to the SCSR to improve the ability to communicate. Prototypes we built and tested. Leaky feeder systems are also described.