Disk player for constant angular velocity reproduction of a disk

Details Disk player for constant angular velocity reproduction of a disk Disk player for constant angular velocity reproduction of a disk

1997-03-26

1998-09-01

Huber, Paul W.

Dynamic information storage or retrieval

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

Mechanism control by the control signal

369 60, G11B 509

Patent

active

058020268

ABSTRACT:
Demodulated data in a digital recording signal is initially stored in a buffer memory. Meanwhile, an error detection and correction processing circuit operates based on a clock that is set according to the maximum signal processing speed so that error detection and correction for the demodulated data is performed irrespective of the disk driving speed. When the writing of demodulated data to the buffer memory is halted, a re-reading is performed of a digital memory. This achieves an increase in angular velocity for driving the disk.

REFERENCES:
patent: 5425014 (1995-06-01), Tsuyuguchi et al.
patent: 5517477 (1996-05-01), Sako
patent: 5677901 (1997-10-01), Iwamura

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