Tracking control apparatus which uses pilot signals to control a

Details Tracking control apparatus which uses pilot signals to control a Tracking control apparatus which uses pilot signals to control a

1993-10-25

1996-04-23

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360 7712, G11B 5584, G11B 558

Patent

active

055109381

ABSTRACT:
An information reproducing apparatus for reproducing information recorded on slant information tracks includes magnetic heads mounted on a rotary cylinder. The magnetic heads scan a magnetic tape which has slant information tracks on which tracking pilot signals are formed. A tracking error detector detects the tracking error signal of the magnetic head scanning using the tracking pilot signal recorded on the slant information tracks. The tracking error detector then generates a tracking error signal indicating the amount of the track bending. A control signal generator generates a control signal in response to the tracking error signal for controlling the scanning position of the magnetic head. A tracking controller controls the slant track scanning position of the magnetic head.

REFERENCES:
patent: 4630146 (1986-12-01), Takayama et al.
patent: 4811129 (1989-03-01), Kubo
patent: 4811130 (1989-03-01), Takayama
patent: 4899233 (1990-02-01), Yoshida
patent: 4945426 (1990-07-01), Okamoto et al.
patent: 5123002 (1992-06-01), Tateishi
patent: 5182681 (1993-01-01), Yamazaki

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