Tracking controlling apparatus

Details Tracking controlling apparatus Tracking controlling apparatus

1983-03-18

1987-04-14

Stellar, George G.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 556

Patent

active

046583092

ABSTRACT:
In an apparatus for controlling the tracking position of a magnetic head which reproduces parallel tracks successively formed on magnetic tape, the parallel tracks containing a video signal and a pilot signal having mutually different frequencies changing in cyclic sequence from track to track, a pair of control signals are generated in response to amplitudes of the reproduced pilot signal, said pair of control signals being indicative of opposite displacements of the head from the track to be traced, and a tracking error signal is formed by mixture of the pair of control circuits to control the tracking position in response to said tracking error signal. In accordance with this invention, magnitude of the pair of control signals is independently controlled according to the desired tracking position of the head.

REFERENCES:
patent: 4247741 (1981-01-01), Tatsuguchi et al.
patent: 4497000 (1985-01-01), Terada et al.

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