发明名称 |
INVERTIBLY MAPPING BINARY SEQUENCES INTO RATE 2/3 (1,K) RUN-LENGTH-LIMITED CODED SEQUENCES WITH MAXIMUM TRANSITION DENSITY CONSTRAINTS |
摘要 |
A method and means for reducing high-duty-cycle unconstrained binary signal sequences in storage and communications processes and systems by invertibly mapping such sequences into a (1, k) rate ⅔ RLL codestream constrained to a duty cycle substantially approximating one-third. That is, binary sequences ordinarily mapping into high-duty-cycle RLL-code sequences are either inhibited from repeating indefinitely or excluded. |
申请公布号 |
PL195698(B1) |
申请公布日期 |
2007.10.31 |
申请号 |
PL19990345465 |
申请日期 |
1999.07.01 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORP. |
发明人 |
HASSNER MARTIN AURELIANO;HEISE NYLES;HIRT WALTER;TRAGER BARRY MARSHALL |
分类号 |
G11B20/14;G11B20/10;H03M5/14;H03M7/00;H03M7/14;H03M13/00 |
主分类号 |
G11B20/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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