20110255231 | PORTABLE DIGITAL DATA STORAGE DEVICE AND ANALYZING METHOD THEREOF - A portable digital data storage device is selectively in communication with an external electronic device through a communication interface. The portable digital data storage device includes a storage unit and a control unit. The storage unit has a storage space. The storage space is divided into a plurality of analyzable sections. The control unit is electrically connected with the communication interface for controlling an accessing operation of the storage unit. The control unit judges a utilization condition of the storage space according to usage statuses of respective analyzable sections, thereby acquiring analyzing information of the storage space. | 10-20-2011 |