Carriage controller for multi-layer disc

Details Carriage controller for multi-layer disc Carriage controller for multi-layer disc

1998-07-10

2000-10-17

Hindi, Nabil

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 94, 369 58, 369 59, G11B 700

Patent

active

061341967

ABSTRACT:
A carriage controller for a multi-layer disc which is capable of performing a stable carriage control during reproduction of a multi-layer disc of the opposite recording scheme. A tracking error signal is relayed by an equalizer, and a carriage motor is driven in accordance with an output signal of the equalizer. An information reading direction on a layer of a disc on which a pickup reads information is detected, and an equalizer characteristic is set in the equalizer in accordance with the detection result.

REFERENCES:
patent: 5978322 (1999-11-01), Sugimoto et al.

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