Block synchronization detection apparatus and method

Details Block synchronization detection apparatus and method Block synchronization detection apparatus and method

2006-11-14

2006-11-14

Decady, Albert (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S789000, C714S798000, C369S053340

Reexamination Certificate

active

07137058

ABSTRACT:
A block synchronization detection apparatus and method. Block synchronization for discriminating one error correction code (ECC) block from another is detected, even when a first sector of the ECC block is not detected in a system having a decoder that decodes an ECC in units of ECC blocks. The block synchronization detection apparatus includes an operator performing an operation on a predetermined last sector number, an n-th sector number, and an (n−1)-th sector number contained in a block, based on a predetermined operation relation; and a comparator comparing a result of the operation output from the operator with a predetermined threshold value and outputting the result of the comparison as a block synchronization signal.

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