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1.发明授权
公开(公告)号：US5172381A
公开(公告)日：1992-12-15
申请号：US693118
申请日：1991-04-26
CPC分类号： G11B20/12 , G11B20/1833 , G11B2020/183
摘要： A record medium, such as a magnetic tape, optical disk, magnetic disk, and the like stores data signals and error redundancy signals. Resynchronization signals are interleaved between the recorded signals such that the error redundancy signals are usable to correct signals recorded between such interposed resynchronization signals wherein no error redundancy signals are recorded. Error pointing redundancy signals are recorded between all of the resynchronization signals for pointing to signals in error for enhancing the error correction. Such error pointing signals can be cyclic redundancy check (CRC) signals. Controls for taking advantage of the above-described arrangement are also described. Reframing and clock synchronization controls are also disclosed.
摘要翻译： 诸如磁带，光盘，磁盘等的记录介质存储数据信号和错误冗余信号。 重新同步信号在所记录的信号之间进行交织，使得误差冗余信号可用于校正记录在不存在错误冗余信号的插入的再同步信号之间记录的信号。 在所有重新同步信号之间记录指向冗余信号的错误，用于指向错误的信号以增强纠错。 这种误差指示信号可以是循环冗余校验（CRC）信号。 还描述了利用上述布置的控制。 还公开了重构和时钟同步控制。
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2.发明授权
公开(公告)号：US5109385A
公开(公告)日：1992-04-28
申请号：US343551
申请日：1989-04-27
CPC分类号： G11B20/12 , G11B20/1833 , G11B2020/183
摘要： A record medium, such as a magnetic tape, optical disk, magnetic disk, and the like stores data signals and error redundancy signals. Resynchronization signals are interleaved between the recorded signals such that the error redundancy signals are usable to correct signals recorded between such interposed resynchronization signals wherein no error redundancy signals are recorded. Error pointing redundancy signals are recorded between all of the resynchronization signals for pointing to signals in error for enhancing the error correction. Such error pointing signals can be cyclic redundancy check (CRC) signals. Controls for taking advantage of the above-described arrangement are also described. Reframing and clock synchronization controls are also disclosed.
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