Information recording using technique for detecting erroneous re

Details Information recording using technique for detecting erroneous re Information recording using technique for detecting erroneous re

1998-09-24

2000-10-24

Huber, Paul W.

Dynamic information storage or retrieval

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

Mechanism control by the control signal

369 48, 360 31, G11B 509, G11B 2736

Patent

active

061377562

ABSTRACT:
Provided are a method and apparatus for detecting an occurrence of erroneous recording in recording information to be recorded into a DVD-R. The information consists of a plurality of ECC blocks each including a predetermined number of recording sectors. In the DVD-R, synchronizing information, accomplished by wobbling of groove tracks, and positional information, such as pre-pits, are previously recorded. Both the synchronizing information and the positional information are detected, then a synchronizing timing signal showing a time at which the synchronizing information is detected and a positional timing signal showing a time at which each ECC block is assigned to be recorded are produced. The synchronizing timing signal produced during an interval defined by the successive two positional timing signals is counted in number, and a state signal for estimating the occurrence of the erroneous recording is produced on comparison between the counted number and the predetermined number of the recording sectors. The method and apparatus are suitable for information recording method and apparatus.

REFERENCES:
patent: 5446604 (1995-08-01), Chiba
patent: 5557594 (1996-09-01), Chiba et al.

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