DE69027837D1 - Verfahren zur Kodierung einer binären Datenfolge - Google Patents

Verfahren zur Kodierung einer binären Datenfolge

Info

Publication number
DE69027837D1
DE69027837D1 DE69027837T DE69027837T DE69027837D1 DE 69027837 D1 DE69027837 D1 DE 69027837D1 DE 69027837 T DE69027837 T DE 69027837T DE 69027837 T DE69027837 T DE 69027837T DE 69027837 D1 DE69027837 D1 DE 69027837D1
Authority
DE
Germany
Prior art keywords
coding
data sequence
binary data
binary
sequence
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 - Lifetime
Application number
DE69027837T
Other languages
English (en)
Inventor
Razmik Karabed
Paul Howard Siegel
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 DE69027837D1 publication Critical patent/DE69027837D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10055—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • 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
    • H03M13/31—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 combining coding for error detection or correction and efficient use of the spectrum
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
    • H04L25/4908—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes
    • 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
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/1438—8 to 10 modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
  • Error Detection And Correction (AREA)
DE69027837T 1989-11-13 1990-11-07 Verfahren zur Kodierung einer binären Datenfolge Expired - Lifetime DE69027837D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43497089A 1989-11-13 1989-11-13

Publications (1)

Publication Number Publication Date
DE69027837D1 true DE69027837D1 (de) 1996-08-22

Family

ID=23726452

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69027837T Expired - Lifetime DE69027837D1 (de) 1989-11-13 1990-11-07 Verfahren zur Kodierung einer binären Datenfolge

Country Status (3)

Country Link
EP (1) EP0429220B1 (de)
JP (1) JPH063943B2 (de)
DE (1) DE69027837D1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3509083B2 (ja) * 1994-12-28 2004-03-22 ソニー株式会社 符号変調方法、符号復調方法、および符号復号方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57195308A (en) * 1981-05-26 1982-12-01 Sony Corp Block coding method
NL8203619A (nl) * 1982-09-20 1984-04-16 Philips Nv Werkwijze voor het optekenen van een digitaal informatiesignaal op een registratiedrager, een registratiedrager voorzien van een dergelijk informatiesignaal en een inrichting voor het uitlezen respectievelijk inschrijven van een dergelijke registratiedrager.
US4775985A (en) * 1987-04-06 1988-10-04 Sony Corporation Method of dc-free 8/9 nrz coding using a unique sync word pattern
US4870414A (en) * 1988-03-18 1989-09-26 International Business Machines Corporation Even mark modulation coding method

Also Published As

Publication number Publication date
JPH063943B2 (ja) 1994-01-12
JPH03172047A (ja) 1991-07-25
EP0429220A3 (en) 1991-11-13
EP0429220B1 (de) 1996-07-17
EP0429220A2 (de) 1991-05-29

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Legal Events

Date Code Title Description
8332 No legal effect for de