Dynamic magnetic information storage or retrieval – General processing of a digital signal – Pulse crowding correction
Patent
1986-06-17
1987-12-29
Canney, Vincent P.
Dynamic magnetic information storage or retrieval
General processing of a digital signal
Pulse crowding correction
360 46, G11B 509
Patent
active
047164751
ABSTRACT:
A read post compensator circuit for a magnetic record/reproduce device comprises a transducer for reading a sequence of magnetically coded data bits from a magnetic medium and generating an electrical signal representative of the data bits, having a sequence of peak values corresponding to the data bits and having variable time intervals between successive peak values. The circuit has a peak detector to detect the peak values of the electrical signal and a time domain filter for generating output data bits corresponding to detected peak values of the electrical signal and for dynamically varying the interval between successive output data bits in direct relation to the time interval between corresponding peak values to automatically compensate for peak shifting of the electrical signal.
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patent: 4323932 (1982-04-01), Eibner
patent: 4327383 (1982-04-01), Holt
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