Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2008-01-31
2011-11-08
Patel, Hetul (Department: 2186)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S112000, C711S155000, C711SE12001
Reexamination Certificate
active
08055858
ABSTRACT:
A method and system for saving and retrieving data includes saving data in data storage fields of a data storage device in a computer. A back-up data storage field is selected in the data storage device. A data changing operation including new data is initiated on specified data saved in a current data storage field. A copy of all the data stored in boundary data storage fields is copied and stored in the back-up data storage field before changing the current data to provide data retrieval if the data is unrecoverable in the current data storage field, when a loss of power to the data storage device occurs.
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Bluestone, Esq. Randall
Chrzanowski Matthew
International Business Machines - Corporation
Patel Hetul
Scully , Scott, Murphy & Presser, P.C.
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