DEVICE FOR RECORDING DIGITAL SIGNAL Russian patent published in 2000 - IPC

FIELD: magnetic recording equipment. SUBSTANCE: device has input terminal for digital signal input, unit for writing digital signal to first track piece, unit for generation of code words. Each first code word has sequence of p bits, which have first binary value, q bits which have second binary value which is negative binary value of first binary value. Both p and q are odd natural numbers. Synchronization pulses are represented in data read in the beginning of tracks. EFFECT: automatic monitoring of bit synchronization mode. 11 cl, 24 dwg