Electrical computers and digital processing systems: memory – Storage accessing and control – Hierarchical memories
Reexamination Certificate
2007-10-07
2011-12-13
Yu, Jae (Department: 2185)
Electrical computers and digital processing systems: memory
Storage accessing and control
Hierarchical memories
C711S133000, C711S103000, C711S213000
Reexamination Certificate
active
08078805
ABSTRACT:
A caching filter driver which is adapted for communicating with a universal serial bus (USB) mass storage device, the caching filter driver is adapted to: (a) receive a first reading request for a first size data from a USB mass storage driver; (b) determine if requested data which is requested in the first reading request is included in a prefetched read data cache; (c) issue a second reading request for a second size data to the USB mass storage device; and store the second size data in the prefetched read data cache, if the requested data is not included in the prefetched read data cache; and to (d) provide the requested data from the prefetched read data cache; wherein the second size is larger than the first size and the second size data includes the first size data; wherein the caching filter driver resides below the USB mass storage driver.
REFERENCES:
patent: 6073205 (2000-06-01), Thomson
patent: 2003/0105926 (2003-06-01), Rodriguez
patent: 2006/0064547 (2006-03-01), Kottapalli et al.
Cherny Stanislav
Halperin Daniel
Kupershmidt Haim
Shor Gadi
Smirnov Pavel
Reches Patents
Wisair Ltd.
Yu Jae
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