Removal of precompensation in a write data signal from a flexibl

Details Removal of precompensation in a write data signal from a flexibl Removal of precompensation in a write data signal from a flexibl

1994-09-23

1996-08-06

Kim, W. Chris

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Pulse crowding correction

360 46, G11B 509

Patent

active

055439756

ABSTRACT:
A method for removing precompensation in a Write Data signal from a flexible disk controller. A timer measures the time between consecutive transitions. Numerical values from the timer are delayed in a buffer. Numerical times from the buffer are compared to numerical ranges by an array of parallel numerical comparators. Numerical times corresponding to precompensation ranges are numerically compensated. The compensated values are then used to control the time between transitions in a regenerated Write Data signal.

REFERENCES:
patent: 4635141 (1987-01-01), Coulter
patent: 4672482 (1987-06-01), Troletti
patent: 5184256 (1993-02-01), Chikusa
patent: 5187614 (1993-02-01), Hashimoto et al.

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