Tracking servo system

Details Tracking servo system Tracking servo system

1982-09-13

1985-12-31

Faber, Alan

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 46, 369111, 250202, G11B 2110

Patent

active

045625654

ABSTRACT:
A tracking servo system of a recording-disc reading and reproducing apparatus in which the information carried on a recording disc adapted to be driven for rotation is scanned by a signal pickup point displaced radially of the disc, comprising tracking error signal generator operative to detect an amount of deviation, if any, of the signal pickup medium from a target track on an information-carrying surface of the recording disc and produce a tracking error signal representative of the detected amount of deviation, and band eliminator such as a notch filter operative to eliminate a predetermined frequency in the tracking error signal.

REFERENCES:
patent: 4005260 (1977-01-01), Janssen
patent: 4152550 (1979-05-01), Takahashi
patent: 4340950 (1982-07-01), Kosaka

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