A method is disclosed for adjusting the rotational speed of a disk drive. According to the method, the proportion of time which the disc drive is reading data from the disc during a unit time T is calculated. Then, the increase of the rotational speed of the motor is avoided if the error rate Ek that...http://www.google.de/patents/US7394736?utm_source=gb-gplus-sharePatent US7394736 - Dynamic speed control method for storage device
