作者: Bart Michiel De Boer
DOI:
关键词:
摘要: The present invention relates to a motor power controller for disk drive. Further on, the drive comprising and method controlling of Portable computers like laptop or portable audio/video systems DVD players other devices operate usually on battery power. An important factor in determining life is For that, order maximize life-time, efficiency has be improved. provides drive, especially device, means defining at least two operation states said first state running continuously, second spinning up beginning each data down end operation. comprises transitioning from when time interval being longer than predetermined period without any requests determined. number intervals between consecutive are determined all them smaller time.