DE19882278T1 - System and scheme for maximum transition run length codes with location-dependent restrictions - Google Patents

System and scheme for maximum transition run length codes with location-dependent restrictions

Info

Publication number
DE19882278T1
DE19882278T1 DE19882278T DE19882278T DE19882278T1 DE 19882278 T1 DE19882278 T1 DE 19882278T1 DE 19882278 T DE19882278 T DE 19882278T DE 19882278 T DE19882278 T DE 19882278T DE 19882278 T1 DE19882278 T1 DE 19882278T1
Authority
DE
Germany
Prior art keywords
location
scheme
run length
length codes
maximum transition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19882278T
Other languages
German (de)
Inventor
Kinhing P Tsang
Bernardo Rub
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of DE19882278T1 publication Critical patent/DE19882278T1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE19882278T 1997-04-01 1998-03-31 System and scheme for maximum transition run length codes with location-dependent restrictions Withdrawn DE19882278T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4251897P 1997-04-01 1997-04-01
PCT/US1998/006289 WO1998044633A2 (en) 1997-04-01 1998-03-31 Maximum transition run length code

Publications (1)

Publication Number Publication Date
DE19882278T1 true DE19882278T1 (en) 2000-03-30

Family

ID=21922364

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19882278T Withdrawn DE19882278T1 (en) 1997-04-01 1998-03-31 System and scheme for maximum transition run length codes with location-dependent restrictions

Country Status (5)

Country Link
JP (1) JP2001518253A (en)
KR (1) KR20010005905A (en)
DE (1) DE19882278T1 (en)
GB (1) GB2338629B (en)
WO (1) WO1998044633A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7620116B2 (en) 2003-02-28 2009-11-17 Rambus Inc. Technique for determining an optimal transition-limiting code for use in a multi-level signaling system
JP4536412B2 (en) * 2004-04-12 2010-09-01 富士通株式会社 Recording / reproducing apparatus and signal processing circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2637591B2 (en) * 1990-01-22 1997-08-06 松下電器産業株式会社 Position recognition apparatus and method

Also Published As

Publication number Publication date
WO1998044633A3 (en) 1998-12-23
KR20010005905A (en) 2001-01-15
JP2001518253A (en) 2001-10-09
GB2338629A (en) 1999-12-22
GB9923044D0 (en) 1999-12-01
GB2338629B (en) 2001-10-24
WO1998044633A2 (en) 1998-10-08

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8110 Request for examination paragraph 44
8139 Disposal/non-payment of the annual fee