DE3854526D1 - Verfahren und Einrichtung zur Kodierung der Sektoradressen einer magnetischen Platte. - Google Patents

Verfahren und Einrichtung zur Kodierung der Sektoradressen einer magnetischen Platte.

Info

Publication number
DE3854526D1
DE3854526D1 DE3854526T DE3854526T DE3854526D1 DE 3854526 D1 DE3854526 D1 DE 3854526D1 DE 3854526 T DE3854526 T DE 3854526T DE 3854526 T DE3854526 T DE 3854526T DE 3854526 D1 DE3854526 D1 DE 3854526D1
Authority
DE
Germany
Prior art keywords
coding
magnetic disk
sector addresses
sector
addresses
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
DE3854526T
Other languages
English (en)
Other versions
DE3854526T2 (de
Inventor
Lih-Jyh Weng
Bernard 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.)
Quantum Corp
Original Assignee
Quantum 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 Quantum Corp filed Critical Quantum Corp
Publication of DE3854526D1 publication Critical patent/DE3854526D1/de
Application granted granted Critical
Publication of DE3854526T2 publication Critical patent/DE3854526T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] 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
    • G11B2020/10916—Seeking data on the record carrier for preparing an access to a specific address

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Detection And Correction Of Errors (AREA)
DE3854526T 1987-07-07 1988-07-07 Verfahren und Einrichtung zur Kodierung der Sektoradressen einer magnetischen Platte. Expired - Fee Related DE3854526T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/070,689 US4847705A (en) 1987-07-07 1987-07-07 Method and apparatus for encoding magnetic disk sector addresses

Publications (2)

Publication Number Publication Date
DE3854526D1 true DE3854526D1 (de) 1995-11-02
DE3854526T2 DE3854526T2 (de) 1996-03-14

Family

ID=22096809

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3854526T Expired - Fee Related DE3854526T2 (de) 1987-07-07 1988-07-07 Verfahren und Einrichtung zur Kodierung der Sektoradressen einer magnetischen Platte.

Country Status (6)

Country Link
US (1) US4847705A (de)
EP (1) EP0349687B1 (de)
JP (1) JPS6488966A (de)
CA (1) CA1324437C (de)
DE (1) DE3854526T2 (de)
HK (1) HK186595A (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237574A (en) * 1988-04-08 1993-08-17 Digital Equipment Corporation Error-resilient information encoding
JPH0821213B2 (ja) * 1988-08-05 1996-03-04 富士通株式会社 セクターサーボ情報検出方法
US5068858A (en) * 1989-12-21 1991-11-26 International Business Machines Corporation Error correction capability varied with track location on a magnetic or optical disk
US5388085A (en) * 1993-03-03 1995-02-07 International Business Machines Corporation Apparatus and method for accessing sectors of a rotating disk
US5568627A (en) * 1994-04-05 1996-10-22 Quantum Corporation Header verification in a disk drive using sector histories for improved format efficiency
US5696775A (en) * 1994-09-23 1997-12-09 Cirrus Logic, Inc. Method and apparatus for detecting the transfer of a wrong sector
US5528607A (en) * 1995-02-02 1996-06-18 Quantum Corporation Method and apparatus for protecting data from mis-synchronization errors
US5822336A (en) * 1996-11-14 1998-10-13 Quantum Corporation Modified reed solomon code selection and encoding system
KR100247064B1 (ko) * 1997-04-10 2000-03-15 윤종용 콤팩트디스크-롬 드라이브의 디코딩장치에서 에러정정을 위한 메모리 리드회로
US6438724B1 (en) 1999-03-16 2002-08-20 International Business Machines Corporation Method and apparatus for deterministically altering cyclic redundancy check information for data storage
US6446234B1 (en) 1999-03-16 2002-09-03 International Business Machines Corporation Method and apparatus for updating cyclic redundancy check information for data storage
US6463564B1 (en) * 1999-09-14 2002-10-08 Maxtor Corporation Mis-synchronization detection system
JP2001126408A (ja) * 1999-10-29 2001-05-11 Sony Corp 光学式回転記録媒体、アドレス情報記録方法、アドレス情報復元方法、光学式記録装置、光学式再生装置、および、光学式記録・再生装置
US6640319B1 (en) * 2000-08-29 2003-10-28 Maxtor Corporation Mis-synchronization detection system
CN1462443A (zh) * 2001-05-15 2003-12-17 皇家菲利浦电子有限公司 在信息信号中嵌入辅助数据
EP1421699A2 (de) * 2001-08-20 2004-05-26 Koninklijke Philips Electronics N.V. Verbesserte kodierung für informierte dekodern

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413339A (en) * 1981-06-24 1983-11-01 Digital Equipment Corporation Multiple error detecting and correcting system employing Reed-Solomon codes
JPH0693316B2 (ja) * 1986-05-31 1994-11-16 ソニー株式会社 ブロツクアクセス方法
EP0248536B1 (de) * 1986-05-31 1992-07-22 Sony Corporation Methoden und Gerät zum Suchen einer Zieladresse auf einem Aufzeichnungsmedium
CA1299743C (en) * 1986-08-26 1992-04-28 Wataru Sakagami Information record medium having a header having error correction code added for each block and a method for recording information on such a medium
JPS63148468A (ja) * 1986-12-11 1988-06-21 Sony Corp アドレス信号記録方法

Also Published As

Publication number Publication date
CA1324437C (en) 1993-11-16
HK186595A (en) 1995-12-15
US4847705A (en) 1989-07-11
JPH0572030B2 (de) 1993-10-08
EP0349687A2 (de) 1990-01-10
DE3854526T2 (de) 1996-03-14
EP0349687A3 (de) 1991-04-03
EP0349687B1 (de) 1995-09-27
JPS6488966A (en) 1989-04-03

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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