Phase equalized readback apparatus and methods

Details Phase equalized readback apparatus and methods Phase equalized readback apparatus and methods

1975-11-24

1977-01-25

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data clocking

360 28, G11B 502, G11B 509

Patent

active

040054772

ABSTRACT:
A magnetic recorder employs a feedback phase equalizer for adjusting the readback signal to enhance detection capability. Phase errors are measured and used as criteria for dynamically and adaptively adjusting phase compensation of the read-back signal. In a preferred form, averaging phase errors over a predetermined signal characteristic of the readback signal controls adjustment of phase equalization.

REFERENCES:
patent: 3181133 (1965-04-01), Seitner
patent: 3253237 (1966-05-01), Runyan
patent: 3488452 (1970-01-01), Gunning et al.
patent: 3938184 (1976-02-01), Detrancesco et al.

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