Modulation system
    1.
    发明公开
    Modulation system 审中-公开
    调制系统

    公开(公告)号:EP1225701A3

    公开(公告)日:2004-10-27

    申请号:EP02250040.9

    申请日:2002-01-04

    发明人: Hayami, Atsushi

    IPC分类号: H03M5/14 G11B20/14

    摘要: A 6-bit output code word is generated in response to every 4-bit input code word by referring to a set of encoding tables. The encoding tables contain output code words assigned to input code words, and contain encoding-table designation information accompanying each output code word. The encoding-table designation information designates an encoding table among the encoding tables which is used next to generate an output code word immediately following the output code word accompanied with the encoding-table designation information. The generated output code words are sequentially connected into a sequence of the generated output code words which follows predetermined run length limiting rules (1, k)RLL, where "k" denotes a predetermined natural number between 7 and 12.

    摘要翻译: 通过参考一组编码表来生成一个6位输出码字,以响应每个4位输入码字。 编码表包含分配给输入码字的输出码字,并且包含伴随每个输出码字的编码表指定信息。 编码表指定信息指定下一个使用的编码表中的一个编码表,以产生伴随着编码表指定信息的紧随输出码字的输出码字。 所生成的输出码字顺序地连接成遵循预定游程长度限制规则(1,k)RLL的所生成的输出码字的序列,其中“k”表示7和12之间的预定自然数。

    Modulation system
    2.
    发明公开
    Modulation system 审中-公开
    调制系统

    公开(公告)号:EP1225702A3

    公开(公告)日:2002-08-14

    申请号:EP02250114.2

    申请日:2002-01-08

    IPC分类号: H03M5/14 G11B20/14 G11B20/00

    摘要: A 6-bit output code word is generated in response to every 4-bit input code word by referring to a set of encoding tables. The encoding tables contain output code words assigned to input code words, and contain encoding-table designation information accompanying each output code word. The encoding-table designation information designates an encoding table among the encoding tables which is used next to generate an output code word immediately following the output code word accompanied with the encoding-table designation information. The generated output code words are sequentially connected into a sequence which follows run length limiting rules. The run length limiting rules are changed between RLL(1, 7) and RLL(1, 8) in response to auxiliary information to superimpose the auxiliary information on the sequence of the generated output code words.

    Modulation system
    4.
    发明公开
    Modulation system 审中-公开
    Modulationssytem

    公开(公告)号:EP1225701A2

    公开(公告)日:2002-07-24

    申请号:EP02250040.9

    申请日:2002-01-04

    发明人: Hayami, Atsushi

    IPC分类号: H03M5/14 G11B20/14

    摘要: A 6-bit output code word is generated in response to every 4-bit input code word by referring to a set of encoding tables. The encoding tables contain output code words assigned to input code words, and contain encoding-table designation information accompanying each output code word. The encoding-table designation information designates an encoding table among the encoding tables which is used next to generate an output code word immediately following the output code word accompanied with the encoding-table designation information. The generated output code words are sequentially connected into a sequence of the generated output code words which follows predetermined run length limiting rules (1, k)RLL, where "k" denotes a predetermined natural number between 7 and 12.

    摘要翻译: 通过参考一组编码表,响应于每个4位输入代码字产生6位输出代码字。 编码表包含分配给输入代码字的输出代码字,并且包含伴随每个输出代码字的编码表指定信息。 编码表指定信息指定编码表中的编码表,其随后用于生成紧跟在编码表指定信息之后的输出码字之后的输出码字。 所生成的输出码字被顺序地连接到按照预定的游程长度限制规则(1,k)RLL的生成的输出码字的序列中,其中“k”表示7和12之间的预定自然数。

    Run length limited coding method
    5.
    发明公开
    Run length limited coding method 有权
    Verfahren zurlauflängenbegrenztenKodierung mit DSV Kontrolle

    公开(公告)号:EP1265241A1

    公开(公告)日:2002-12-11

    申请号:EP02012376.6

    申请日:2002-06-06

    IPC分类号: G11B20/14 H03M7/46 H03M5/14

    摘要: There is disclosed a modulation method in which a four bits unit of a plurality of continuous input data words is encoded into a six bits unit of a plurality of continuous output code words by referring to a plurality of coding tables (13) including output code words (C(k)) corresponding to input data words (D(k)), and coding table designation information (S(k+1)) in which an coding table for use in encoding the next input data word is designated. Further, in particular, two redundant bits are inserted into each predetermined number of data words of the plurality of continuous output code words. Even with such redundant bits, a DSV control is possible, k satisfies 9 in a (1, k) RLL rule, and a repetition frequency of a minimum run is limited.

    摘要翻译: 公开了一种调制方法,其中多个连续输入数据字中的四位单元通过参考包括输出代码字的多个编码表(13)被编码为多个连续输出代码字的六位单元 (D(k))相对应的编码表(C(k))和编码表指定信息(S(k + 1)),其中指定用于编码下一个输入数据字的编码表。 此外,特别地,在多个连续输出码字的每个预定数量的数据字中插入两个冗余比特。 即使使用这样的冗余位,也可以进行DSV控制,在(1,k)RLL规则中k满足9,并且限制最小运行的重复频率。

    Modulation system
    6.
    发明公开
    Modulation system 审中-公开
    调制系统

    公开(公告)号:EP1225702A2

    公开(公告)日:2002-07-24

    申请号:EP02250114.2

    申请日:2002-01-08

    IPC分类号: H03M5/14 G11B20/14 G11B20/00

    摘要: A 6-bit output code word is generated in response to every 4-bit input code word by referring to a set of encoding tables. The encoding tables contain output code words assigned to input code words, and contain encoding-table designation information accompanying each output code word. The encoding-table designation information designates an encoding table among the encoding tables which is used next to generate an output code word immediately following the output code word accompanied with the encoding-table designation information. The generated output code words are sequentially connected into a sequence which follows run length limiting rules. The run length limiting rules are changed between RLL(1, 7) and RLL(1, 8) in response to auxiliary information to superimpose the auxiliary information on the sequence of the generated output code words.

    摘要翻译: 通过参考一组编码表来生成一个6位输出码字,以响应每个4位输入码字。 编码表包含分配给输入码字的输出码字,并且包含伴随每个输出码字的编码表指定信息。 编码表指定信息指定下一个使用的编码表中的一个编码表,以产生伴随着编码表指定信息的紧随输出码字的输出码字。 生成的输出码字顺序连接成遵循游程长度限制规则的序列。 行程限制规则响应于辅助信息而在RLL(1,7)和RLL(1,8)之间改变,以将辅助信息叠加在所产生的输出码字的序列上。