Dynamic information storage or retrieval – Control of storage or retrieval operation by a control... – Control of information signal processing channel
Reexamination Certificate
2006-03-14
2006-03-14
Patel, Gautam R. (Department: 2655)
Dynamic information storage or retrieval
Control of storage or retrieval operation by a control...
Control of information signal processing channel
C369S053300, C369S047400
Reexamination Certificate
active
07012866
ABSTRACT:
A rotation control method controls rotation of a CAV system recording medium which has a plurality of zones divided in a radial direction thereof. The rotation control method detects a state within a memory which temporarily stores write data to be written on the recording medium and/or read data read from the recording medium, and switches and controls a rotational speed of the recording medium based on the detected state of the memory, depending on an area which is accessed of a plurality of areas of the recording medium dividing the recording medium in the radial direction thereof.
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Ban Akira
Horiguchi Yutaka
Yamakawa Teruji
Fujitsu Limited
Greer Burns & Crain Ltd.
Patel Gautam R.
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