The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 01, 2000
Filed:
May. 29, 1998
Acer Peripherals, Inc., Taoyuan, TW;
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: