JPS637051B2 - - Google Patents

Info

Publication number
JPS637051B2
JPS637051B2 JP57104027A JP10402782A JPS637051B2 JP S637051 B2 JPS637051 B2 JP S637051B2 JP 57104027 A JP57104027 A JP 57104027A JP 10402782 A JP10402782 A JP 10402782A JP S637051 B2 JPS637051 B2 JP S637051B2
Authority
JP
Japan
Prior art keywords
state
encoder
bits
decoder
data
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
Application number
JP57104027A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5813020A (ja
Inventor
Rii Adoraa Roi
Hasunaa Maachin
Piitaa Muusarisu Jon
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
Publication of JPS5813020A publication Critical patent/JPS5813020A/ja
Publication of JPS637051B2 publication Critical patent/JPS637051B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/005—Statistical coding, e.g. Huffman, run length coding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
JP57104027A 1981-07-16 1982-06-18 符号器 Granted JPS5813020A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/283,758 US4413251A (en) 1981-07-16 1981-07-16 Method and apparatus for generating a noiseless sliding block code for a (1,7) channel with rate 2/3
US283758 1981-07-16

Publications (2)

Publication Number Publication Date
JPS5813020A JPS5813020A (ja) 1983-01-25
JPS637051B2 true JPS637051B2 (https=) 1988-02-15

Family

ID=23087432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57104027A Granted JPS5813020A (ja) 1981-07-16 1982-06-18 符号器

Country Status (4)

Country Link
US (1) US4413251A (https=)
EP (1) EP0070387B1 (https=)
JP (1) JPS5813020A (https=)
DE (1) DE3277248D1 (https=)

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US5737632A (en) 1989-12-19 1998-04-07 Hitachi, Ltd. Magnetic disc control apparatus with parallel data transfer between disc control unit and encoder/decoder circuit
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JP3224418B2 (ja) * 1992-05-21 2001-10-29 パイオニア株式会社 記録データ列２次変調方法
US5475388A (en) * 1992-08-17 1995-12-12 Ricoh Corporation Method and apparatus for using finite state machines to perform channel modulation and error correction and entropy coding
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US5424881A (en) 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
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US5544178A (en) * 1994-06-10 1996-08-06 Cirrus Logic, Inc. Method and apparatus for encoding data in a PRML class-IV digital communication channel
JP3617074B2 (ja) * 1994-06-30 2005-02-02 ソニー株式会社 データ変調装置およびデータ復調装置
US5646950A (en) * 1994-11-18 1997-07-08 Seagate Technology, Inc. Matched spectral null codes for partial response channels
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US5675590A (en) 1994-11-23 1997-10-07 At&T Wireless Services, Inc. Cyclic trellis coded modulation
US6889356B1 (en) * 1994-11-23 2005-05-03 Cingular Wireless Ii, Llc Cyclic trellis coded modulation
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US6005725A (en) * 1994-12-19 1999-12-21 Mobile Storage Technology Inc. Variable zone layout and track pitch parameter considerations for information storage disk drive
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US5657014A (en) * 1995-05-12 1997-08-12 Optex Corporation M=7 (3,7) runlength limited code for multi-level data
US5663722A (en) * 1995-05-12 1997-09-02 Optex Corporation M=10 (3,6) runlength limited code for multi-level data
US5663723A (en) * 1995-05-12 1997-09-02 Optex Corporation M=7 (1,3) runlength limited code for multi-level data
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US5682155A (en) * 1995-05-12 1997-10-28 Optex Corporation M=6(4,11) runlength limited code for multi-level data
US5781130A (en) * 1995-05-12 1998-07-14 Optex Corporation M-ary (d,k) runlength limited coding for multi-level data
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US5748117A (en) * 1995-05-12 1998-05-05 Optex Corporation M=8 (1,3) runlength limited code for multi-level data
US5757293A (en) * 1995-05-12 1998-05-26 Optex Corporation M=8 (1,2) runlength limited code for multi-level data
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US7188298B2 (en) * 2001-03-14 2007-03-06 Matsushita Electric Industrial Co., Ltd. Error correction encoding and decoding methods and apparatuses for DVI audio data
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US3995264A (en) * 1974-11-01 1976-11-30 International Business Machines Corporation Apparatus for encoding and decoding binary data in a modified zero modulation data code

Also Published As

Publication number Publication date
EP0070387B1 (en) 1987-09-09
JPS5813020A (ja) 1983-01-25
EP0070387A2 (en) 1983-01-26
EP0070387A3 (en) 1985-07-03
DE3277248D1 (en) 1987-10-15
US4413251A (en) 1983-11-01

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