Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2008-07-15
2008-07-15
Tran, Denise (Department: 2188)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S115000
Reexamination Certificate
active
07401195
ABSTRACT:
A portable data storage device includes a control unit coupled via a predetermined interface with a computer having an operating system with user authority limits, and a memory divided into a segment I for storing related applications, a public segment II for temporarily storing instructions and data, and a hidden segment III for saving client data. In a method of accessing data via the portable data storage device, when the computer is to write data into or read data from the segment III, the data to be written or read is first temporarily stored in the segment II, and specific read or write instructions for a read/write level application interface are written into the segment II by the applications in the segment I and executed, so as to complete data exchange and access between the portable data storage device and the computer.
REFERENCES:
patent: 2003/0225971 (2003-12-01), Oishi et al.
patent: 2004/0042363 (2004-03-01), Kobayashi et al.
patent: 2005/0015540 (2005-01-01), Tsai et al.
patent: 2005/0083741 (2005-04-01), Chang et al.
Chang Chi-Tung
Tsai Hung-Chou
Wang Ching-Wen
Yang Shih-Hsieng
Alcor Micro, Corp.
King Anthony
Tran Denise
WPAT, P.C.
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