DEVICE FOR REPLAY OF SIGNALS OF DIGITAL INFORMATION FROM MAGNETIC CARRIER Russian patent published in 1994 - IPC

FIELD: magnetic recording. SUBSTANCE: device includes measurement channels, each having reproduction head, reproduction amplifier, filter, unit of signal substitution, unit of formation of doubled frequency, zero pulse former, synchronization pulse demodulator, information detection unit, five AND gates, OR gate, one-shot multivibrator, pulse former, two differentiating elements, two flip-flops, NOT gate and output wire, pulse counter, retunable decoder, two flip-flops, storage, delay element, AND gate and reference channel composed of reproduction head and reproduction amplifier, filter, unit of signal substitution and unit of formation of doubled frequency, zero pulse former, synchronization pulse demodulator, marking pulse detection unit, pulse distributor, AND gate, delay element and flip-flop. EFFECT: reduced error of reproduction of signals of digital information. 6 dwg