Speed of a compact disk drive

Details Speed of a compact disk drive Speed of a compact disk drive

1998-05-29

2000-08-01

Edun, Muhammad

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 47, 369 4432, G11B 700

Patent

active

060976802

ABSTRACT:
The present invention relates to a method for adjusting the rotating speed of a compact disc drive to prevent unwanted vibrations of a compact disc rotating within. The compact disc drive comprises a reading head for reading data stored in a track of the compact disc and generating a data signal and a track signal; a rotating driver for driving the compact disc; a speed control circuit for controlling the rotating speed of the rotating driver; a track driver for moving the reading head along a diameter of the compact disc; a track driving circuit for controlling the track driver; and a track servo circuit for controlling the track driving circuit according to the track signal generated by the reading head and a track correction gain so that the track driver can move the reading head along the diameter of the compact disc along its track. The speed adjustment method comprises the following steps:

REFERENCES:
patent: 5956307 (1999-09-01), Koudo et al.
patent: 5995460 (1999-11-01), Takagi et al.

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