DE3680406D1 - Lauflaengenbegrenztes kodiergeraet und dessen betriebsverfahren. - Google Patents

Lauflaengenbegrenztes kodiergeraet und dessen betriebsverfahren.

Info

Publication number
DE3680406D1
DE3680406D1 DE8686107016T DE3680406T DE3680406D1 DE 3680406 D1 DE3680406 D1 DE 3680406D1 DE 8686107016 T DE8686107016 T DE 8686107016T DE 3680406 T DE3680406 T DE 3680406T DE 3680406 D1 DE3680406 D1 DE 3680406D1
Authority
DE
Germany
Prior art keywords
encoding device
operating method
limited encoding
running
running limited
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.)
Expired - Fee Related
Application number
DE8686107016T
Other languages
English (en)
Inventor
Wilson W Fok
John P Moussouris
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3680406D1 publication Critical patent/DE3680406D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03M5/145—Conversion to or from block codes or representations thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE8686107016T 1985-06-13 1986-05-23 Lauflaengenbegrenztes kodiergeraet und dessen betriebsverfahren. Expired - Fee Related DE3680406D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74525585A 1985-06-13 1985-06-13

Publications (1)

Publication Number Publication Date
DE3680406D1 true DE3680406D1 (de) 1991-08-29

Family

ID=24995910

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686107016T Expired - Fee Related DE3680406D1 (de) 1985-06-13 1986-05-23 Lauflaengenbegrenztes kodiergeraet und dessen betriebsverfahren.

Country Status (3)

Country Link
EP (1) EP0209671B1 (de)
CA (1) CA1255390A (de)
DE (1) DE3680406D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691254A (en) * 1985-06-24 1987-09-01 Priam Corporation Data processing system including encoder, decoder and write precompensator, using run length limited code
US6480125B2 (en) 2000-06-09 2002-11-12 Seagate Technology Llc Method and apparatus for efficient encoding of large data words at high code rates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689899A (en) * 1971-06-07 1972-09-05 Ibm Run-length-limited variable-length coding with error propagation limitation
US4337458A (en) * 1980-02-19 1982-06-29 Sperry Corporation Data encoding method and system employing two-thirds code rate with full word look-ahead
US4413251A (en) * 1981-07-16 1983-11-01 International Business Machines Corporation Method and apparatus for generating a noiseless sliding block code for a (1,7) channel with rate 2/3
US4488142A (en) * 1981-12-31 1984-12-11 International Business Machines Corporation Apparatus for encoding unconstrained data onto a (1,7) format with rate 2/3

Also Published As

Publication number Publication date
EP0209671B1 (de) 1991-07-24
CA1255390A (en) 1989-06-06
EP0209671A3 (en) 1989-04-26
EP0209671A2 (de) 1987-01-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee