ELECTRODYNAMIC VIBRATOR Russian patent published in 1994 - IPC

FIELD: vibrators. SUBSTANCE: vibrator has a platform, a magnetic core with a bias winding, a d. c. source, a cylindrical movable coil with a cylindrical winding, a power amplifier, a controllable voltage source, three comparators, a leveling unit. Moreover, the vibrator has a movable coil displacement transducer, a summing amplifier, ten multipliers, a differentiating unit, a frequency transducer, three root-taking converters, two platform displacement transducers, two phase meters, four OR gates, two NO gates, an OR gate, two dividing units, four keys, a single-potential source, two commutators. EFFECT: improved structure. 1 dwg