Magnetic recording and reproducing apparatus

Details Magnetic recording and reproducing apparatus Magnetic recording and reproducing apparatus

2006-10-24

2006-10-24

Sniezek, Andrew L. (Department: 2627)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

C360S067000

Reexamination Certificate

active

07126774

ABSTRACT:
A magnetic recording and reproducing apparatus includes a separator and first and second amplifiers. The separator separates a servo data signal and a user data signal, both reproduced by a reproducing head. The first and second amplifiers are connected to the output stage of the separator to increase the amplitude ratio of the servo data signal to the user data signal. The magnetic recording and reproducing apparatus can precisely decode the servo data along with the user data, and can achieve a highly precise servo control.

REFERENCES:
patent: 2003/0021053 (2003-01-01), Sakai
patent: 2005/0094299 (2005-05-01), Tokizono et al.
patent: A 6-195907 (1994-07-01), None

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