Information processing system, storage unit, and storage...

Details Information processing system, storage unit, and storage... Information processing system, storage unit, and storage...

2008-07-01

2008-07-01

Bragdon, Reginald (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S112000

Reexamination Certificate

active

07395368

ABSTRACT:
According to the present invention, for reliably carrying out a request for access to processing data which is an object of processing in a data processing apparatus even if the processing data is not retained in a storage unit, the storage unit includes a first timer for detecting the fact that an elapsed time for the readout processing in the readout unit reaches a first predetermined time set in advance, and a first response unit for, when the processing in the readout unit continues after the detection of the first predetermined time by the first timer, transmitting a signal indicative of normal in-operation to the data processing apparatus. Moreover, the data processing apparatus includes an implementation unit for, when receiving the signal indicative of the normal in-operation from the first response unit, conducting the processing on the re-issue of the processing data access request.

REFERENCES:
patent: 6233653 (2001-05-01), Abe et al.
patent: 7032128 (2006-04-01), Nakano
patent: 2003/0149918 (2003-08-01), Takaichi
patent: 5-88975 (1993-04-01), None
patent: 2000-235457 (2000-08-01), None
patent: 2003-0015305 (2003-02-01), None

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