DEVICE FOR CONTROL OF VIBRATION Russian patent published in 1995 - IPC

FIELD: vibration engineering. SUBSTANCE: device has vibration converter 1, band-pass filter 2, scaler 3, threshold element 4, first level controller 5, zero member 6, first flip-flop 7, first shift register 8, warning unit 9, second shift register 10, reverse counter 11, second level controller 12, unit 13 of actuating elements including logic circuit 14, unit 15 of alarm signalizing, unit 16 of alarm protection, OR element 17, generator 18 of synchronous pulses, shaper 19 of short pulses, second flip-flop 20, inverter 21, and reset line 22. EFFECT: improved accuracy. 3 dwg