Optical disc drive with a system behavior detection module

Details Optical disc drive with a system behavior detection module Optical disc drive with a system behavior detection module

2008-04-01

2008-04-01

Neyzari, Ali (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044290, C369S030220

Reexamination Certificate

active

10947562

ABSTRACT:
An optical disc drive includes a servo system and a system behavior detection module. The system behavior detection module includes a controller and a signal feeding unit coupled to the controller and the servo system. The controller is operable in a detection mode and in a normal operation mode. In the detection mode, the controller enables the signal feeding unit so as to introduce an exciting signal into the servo system. In the normal operation mode, the controller disables the signal feeding unit so as to inhibit introduction of the exciting signal into the servo system.

REFERENCES:
patent: 6741529 (2004-05-01), Getreuer

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