Magnetic recording signal equalization apparatus

Details Magnetic recording signal equalization apparatus Magnetic recording signal equalization apparatus

1978-05-08

1980-05-06

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Pulse crowding correction

360 66, G11B 509, G11B 547

Patent

active

042020174

ABSTRACT:
Magnetic recording apparatus including signal equalization means for recording data so as to obtain read pulses therefrom which are symmetrical about their peak and substantially narrowed at both the base and half amplitude points whereby increased packing density may be achieved without attendant peak shift, the equalization being provided by means for generating an ac bias signal in conjunction with data transitions and associated equalizer transitions referenced to the bias signal for application to magnetic recording means.

REFERENCES:
patent: 3262124 (1966-07-01), Johnson et al.
patent: 3503059 (1970-03-01), Ambrico
patent: 3792443 (1974-02-01), Breikss
patent: 3967317 (1976-06-01), Newell

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