Data reproducing apparatus with controlled comparator for reduci

Details Data reproducing apparatus with controlled comparator for reduci Data reproducing apparatus with controlled comparator for reduci

1995-05-16

1997-01-21

Psitos, Aristotelis

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 54, 369 58, G11B 2018

Patent

active

055965580

ABSTRACT:
A data reproducing apparatus reproduces a data recorded or medium which has auxiliary data added to main data subjected to an error correction coding process. The data reproducing apparatus includes a signal processor, a memory, a comparator and a controller. The signal processor separates the main data from the recording data read out from the recording medium to implement an error correction decoding process thereto. The memory means stores the decoded main data from the signal processor. The comparator compares the last data stored in the memory with the inputted main data to the memory. The controller controls write and read operations of the memory and controls the comparison condition of the comparator according to the main data from the signal processor.

REFERENCES:
patent: 4307418 (1981-12-01), Mindel et al.
patent: 5237575 (1993-08-01), Maeda et al.
patent: 5278815 (1994-01-01), Mashimo et al.
Patent Abstracts of Japan, vol. 8, No. 33, P-254, Feb. 14, 1984, & JP 58-188315.
Patent Abstracts of Japan, vol. 9, No. 304, P-409, Nov. 30, 1985, & JP 60-136061.

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