Method and apparatus for minimizing non-linear distortion in the

Dynamic magnetic information storage or retrieval – General processing of a digital signal – Pulse crowding correction

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360 40, G11B 509

Patent

active

044320248

ABSTRACT:
A bi-level signal is recorded so as to minimize distortion when that signal is reproduced, comprising pre-distorting the duty ratio of the bi-level signal by increasing the duty ratio when the repetition rate of the bi-level signal increases abruptly, and then recording the distorted bi-level signal.

REFERENCES:
patent: 3067422 (1962-12-01), Hunt
patent: 3159840 (1964-12-01), Wou
patent: 3503059 (1970-03-01), Ambrico
patent: 3775759 (1973-11-01), Armitage, Jr. et al.
patent: 3869714 (1975-03-01), Schneider et al.

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