Data recording controller

Details Data recording controller Data recording controller

2005-09-06

2005-09-06

Hindi, Nabil (Department: 2655)

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Control of information signal processing channel

C369S047420

Reexamination Certificate

active

06940791

ABSTRACT:
A data recording controller for controlling recording operation of plural pieces of modulated data recorded on a disc medium in units of blocks. The controller includes a modulation circuit for modulating data with a conversion parameter to generate modulated data while updating the conversion parameter for each piece of data. A control circuit stops the recording operation part way through a block in response to a record stop command and starts the recording operation from a record stop position in response to a record start command. A parameter register stores the conversion parameter of the modulated data at the time of stopping the recording operation. The modulation circuit starts modulating data with the conversion parameter stored in the parameter register as an initial value when the recording operation is started. Thus, the recording of data is smoothly restarted without using a link section.

REFERENCES:
patent: 5-325192 (1993-10-01), None

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