STORAGE DEVICE AND ACCESS CONTROL SYSTEM THEREOF, SD CARD AND DATA ACCESS CONTROL METHOD THEREOF
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United States of America Patent
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N/A
Issued Date -
Mar 22, 2012
app pub date -
Jun 30, 2010
filing date -
Jul 22, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present disclosure relates to smart card technology, and provides a SD card and a data access control method thereof. The SD card includes an interface module, a control module, and a storage module including a public storage unit and a private storage unit. The control module includes a SD card direct access unit for controlling an external device to access the public storage unit, a storage isolating firmware unit for stopping the external device from unauthorized accessing the private storage unit, and a virtual machine operating system unit for installing some applications according to the requirements of user, and perform the application in a protected mode combined with the storage isolating firmware unit. The present disclosure can guarantee convenience of accession and stored of large capacity SD data, and installs some applications according to the requirements, performs the applications, storeds and accesses the data in a protected mode.
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