Underground mine surveillance system

Details Underground mine surveillance system Underground mine surveillance system

1975-06-23

1976-04-06

Farley, Richard A.

Communications: electrical

Selective

Having electron beam device

340 155DS, 299 12, 340181, 340261, G01V 116, G01V 122

Patent

active

039493539

ABSTRACT:
A system for maintaining a continuous log of activity in and around an underground mine wherein seismic energy in the area is continually monitored, processed and classified into meaningful relative data indications; and which system further includes selectively deployable seismic energy monitoring equipment providing more specific data in the event of mine catastrophy. This system utilizes permanently disposed seismic energy detectors and/or emergency detectors placed in accordance with the particular exigency, and detected seismic energy return is continually processed to maintain a data log indicative of general type and location of mine activity, with particular capability for isolation of unusual seismic events by comparison with statistical data constraints of predetermined character.

REFERENCES:
patent: 3111655 (1963-11-01), Kotarsky
patent: 3450225 (1969-06-01), Silverman
patent: 3474405 (1969-10-01), Padberg
patent: 3513465 (1970-05-01), Herington
patent: 3718925 (1973-02-01), Donn et al.
Mine Safety Appliances Co., Report No. Bu Mines OFR-N, (2)-1974 and OFR-17 (1)-74, 3/73.

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