Method of monitoring and controlling mining operations

Details Method of monitoring and controlling mining operations Method of monitoring and controlling mining operations

1990-12-04

1992-02-25

Bagnell, David J.

Mining or in situ disintegration of hard material

Automatic control; signaling or indicating

Of hard material disintegrating machine

340683, 367198, E21F 1718, G08B 310

Patent

active

050907751

ABSTRACT:
The noise spectrum in a mining chamber is captured by at least one microphone and is digitized and filtered to separate an operation-typical pattern from an operation atypical pattern. The operation atypical pattern is compared with reference patterns to establish the malfunction or vocal command or emergency and the apparatus is automatically operated in response thereto.

REFERENCES:
patent: 3489241 (1970-01-01), Steinberg
patent: 4366544 (1982-12-01), Shima et al.
patent: 4758964 (1988-07-01), Bittner et al.

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