Cutting sound enhancement system for mining machines

Details Cutting sound enhancement system for mining machines Cutting sound enhancement system for mining machines

1991-01-24

1992-06-09

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

367135, G01S 380

Patent

active

051213656

ABSTRACT:
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).

REFERENCES:
patent: 2396935 (1946-03-01), Walstrom
patent: 4649524 (1987-03-01), Vance
patent: 4751418 (1988-06-01), Murase
patent: 4903245 (1990-02-01), Close et al.

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