Tracking control device with error signal selection from plural

Details Tracking control device with error signal selection from plural Tracking control device with error signal selection from plural

1995-08-09

2000-02-22

Faber, Alan

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

G11B 5584

Patent

active

060287322

ABSTRACT:
A tracking control device and method reduce the rate of occurrence of data error and improve the quality of reproduced images in a digital VTR. The tracking control device comprises a reproducing head for reproducing digital information from a recording medium, a forming circuit for forming a plurality of tracking error signals which respectively indicate positional deviations of the reproducing head from a plurality of areas into which each track formed on the recording medium is divided, a selecting circuit for selecting one tracking error signal from among the plurality of tracking error signals in accordance with their respective values, and a tracking control circuit for controlling a relative position between the reproducing head and the recording medium on the basis of the one tracking error signal selected by the selecting circuit.

REFERENCES:
patent: 4104684 (1978-08-01), Wakami
patent: 4277807 (1981-07-01), Baldwin

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