Patent ID: 6836454
Filing Date: 2004-12-28
Classification: G11B

Abstract:
An apparatus for reproducing information from a storage medium comprising:a motor unit operable to rotate said storage medium at any one of a plurality of rotational speeds; and a data control unit operatively coupled to said motor unit and operable with said storage medium for accessing information contained on said storage medium; said data control unit configured to receive size-indicating information relating to an amount of data to be reproduced, said data control unit configured to receive a request for a read operation and, in response to said request, to control said motor unit to rotate said storage medium at one of said rotational speeds depending on said size-indicating information, said data control unit being further configured for data transfer operations wherein each data transfer operation includes an amount of data equal to a maximum data size, and in response to a read request for an amount of data greater than said maximum data size, said data control unit being operable to transfer said amount of data in two or more data transfer operations, each data transfer operation of a data size less than or equal to said maximum data size.