System for recording and/or reproducing information medium for u

Details System for recording and/or reproducing information medium for u System for recording and/or reproducing information medium for u

1997-07-02

1999-06-15

Psitos, Aristotelis M.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 7712, 360 7802, G11B 5584, G11B 555

Patent

active

059127783

ABSTRACT:
The invention relates to a system for recording and/or reproducing information, comprising a magnetic tape and an apparatus comprising a magnetic head unit which is movable on a transverse direction by means of an actuator. By means of a write head, the magnetic tape has been provided with a pattern of servotracks ST101-ST127 which extend in a longitudinal direction. The odd-numbered servotracks contain a first servosignal and the even-numbered servotracks contain a second servosignal which is phase opposition to the first servosignal. The servotracks ST103-ST113 and ST116-ST126 have a typical width W1 and form a group of two bands of N1 servotracks which are separated by a band of N2 servotracks ST114, ST115 having a typical width W2. The magnetic tape is adapted to cooperate with an apparatus comprising eight magnetic heads. The actuator is controlled in response to the servosignals read by the heads.

REFERENCES:
patent: 5426543 (1995-06-01), Dy et al.

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