FIELD: receivers of seismic signals. SUBSTANCE: device detects and excludes noise signals from operating mechanisms and heavy things falling in close proximity. Remote additional seismic detector is located in direction of most probable noise. Connection between logical unit and additional input of control unit is introduced. EFFECT: increased precision of detection and recording of seismic signals. 1 dwg
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Authors
Dates
1996-05-27—Published
1993-06-22—Filed