PCM signal reproducing apparatus

Details PCM signal reproducing apparatus PCM signal reproducing apparatus

1988-09-23

1991-01-08

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General recording or reproducing

Specifics of equalizing

G11B 503

Patent

active

049841017

ABSTRACT:
Data reproducing apparatus for reproducing data that is recorded with a selected one of at least two different recording densities such that the played back data may exhibit different frequency characteristics, depending upon the recording density. The played back data is supplied to a selected one of plural equalizer circuits whose respective equalizing characteristics match the frequency characteristics of the played back data, thereby reducing the bit error rate of the played back data, regardless of the particular recording density with which that data had been recorded.

REFERENCES:
patent: 4371901 (1983-02-01), Shah
patent: 4500932 (1985-02-01), Saro et al.
patent: 4564869 (1986-01-01), Baumeister
patent: 4656533 (1987-04-01), Sakai et al.
patent: 4805047 (1989-02-01), Nasu

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