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U.S. Department of Energy
Office of Scientific and Technical Information

Cutting sound enhancement system for mining machines

Patent ·
OSTI ID:868340
A cutting sound enhancement system (10) for transmitting an audible signal from the cutting head (101) of a piece of mine machinery (100) to an operator at a remote station (200), wherein, the operator using a headphone unit (14) can monitor the difference in sounds being made solely by the cutting head (101) to determine the location of the roof, floor, and walls of a coal seam (50).
Research Organization:
National Energy Technology Laboratory, Pittsburgh, PA, and Morgantown, WV
Assignee:
United States of America as represented by Secretary of (Washington, DC)
Patent Number(s):
US 5121365
OSTI ID:
868340
Country of Publication:
United States
Language:
English