DEVICE FOR DETECTION OF SEISMIC SIGNALS OF LONGITUDINAL AND TRANSVERSAL WAVES CAUSED BY SOURCE WHICH HAS KNOWN POSITION Russian patent published in 1996 - IPC

FIELD: seismic instruments. SUBSTANCE: device uses analysis of sign combinations of recorded signals using three components at once. Device has input information unit, which is designed as three-component seismic detector, first, second and third input filters, two generators of control pulses, six gates and six output filters with corresponding connections. EFFECT: detection of linear polarized longitudinal P-waves and transversal S-waves. 2 cl, 2 dwg