Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – For editing
Reexamination Certificate
2005-10-18
2005-10-18
Korzuch, William (Department: 2653)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
For editing
C369S053200, C369S053220, C369S053370, C369S059250
Reexamination Certificate
active
06956798
ABSTRACT:
An operation of a recording/reproducing portion is controlled by a control portion so as to record data in a predetermined recording region on a recording medium, and perform update recording in the predetermined recording region in accordance with occurrence of update information of the data. The control portion further has a function of controlling the recording/reproducing portion so as to record an update portion of data in a temporary storage region in a part of the recording medium and record an update flag showing whether the predetermined recording region has been updated with the update portion or has not been updated with the update portion in an update flag region, and in update recording with respect to the predetermined recording medium, successively performs operations of recording the update portion in the temporary storage region, setting the update flag in a non-updated state, recording the update portion in the predetermined recording region, and setting the update flag in an updated state.
REFERENCES:
patent: 6243338 (2001-06-01), Mine
patent: 6466532 (2002-10-01), Ko
patent: 6856585 (2005-02-01), Stan et al.
patent: 6-19808 (1994-01-01), None
Mitsuda Makoto
Uno Shinichiro
Yamauchi Eiji
Hamre Schumann Mueller & Larson P.C.
Korzuch William
Matsushita Electric - Industrial Co., Ltd.
Pham Van
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