DE69209532D1 - Magnetplatte und Magnetplattenvorrichtung - Google Patents

Magnetplatte und Magnetplattenvorrichtung

Info

Publication number
DE69209532D1
DE69209532D1 DE69209532T DE69209532T DE69209532D1 DE 69209532 D1 DE69209532 D1 DE 69209532D1 DE 69209532 T DE69209532 T DE 69209532T DE 69209532 T DE69209532 T DE 69209532T DE 69209532 D1 DE69209532 D1 DE 69209532D1
Authority
DE
Germany
Prior art keywords
magnetic disk
disk device
magnetic
disk
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
DE69209532T
Other languages
English (en)
Other versions
DE69209532T2 (de
Inventor
Noriaki Wakabayashi
Tsukasa Yoshiura
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69209532D1 publication Critical patent/DE69209532D1/de
Publication of DE69209532T2 publication Critical patent/DE69209532T2/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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00695—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are read from the recording medium
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • G11B21/085—Access to indexed tracks or parts of continuous track on discs with track following of accessed part
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"
    • G11B5/5543—Initialisation, calibration, e.g. cylinder "set-up" servo-format therefor
    • 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

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
DE69209532T 1991-01-16 1992-01-15 Magnetplatte und Magnetplattenvorrichtung Expired - Lifetime DE69209532T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3003187A JP2616586B2 (ja) 1991-01-16 1991-01-16 磁気ディスク及び磁気ディスク装置

Publications (2)

Publication Number Publication Date
DE69209532D1 true DE69209532D1 (de) 1996-05-09
DE69209532T2 DE69209532T2 (de) 1996-09-12

Family

ID=11550402

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69209532T Expired - Lifetime DE69209532T2 (de) 1991-01-16 1992-01-15 Magnetplatte und Magnetplattenvorrichtung

Country Status (5)

Country Link
US (1) US5317468A (de)
EP (1) EP0495471B1 (de)
JP (1) JP2616586B2 (de)
KR (1) KR960001283B1 (de)
DE (1) DE69209532T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06111502A (ja) * 1992-09-30 1994-04-22 Sony Corp 磁気ディスク装置
JP3395235B2 (ja) * 1993-02-09 2003-04-07 ソニー株式会社 情報記録ディスク
EP0770997A3 (de) * 1995-10-27 1998-01-07 Ncr International Inc. Kennwortschutz für auswechselbaren Festplattenantrieb
KR100195183B1 (ko) * 1995-12-19 1999-06-15 윤종용 데이타 필드가 확장된 하드 디스크 드라이브
KR100403289B1 (ko) * 1996-04-30 2004-01-13 삼성전자주식회사 서보영역내의 디팩 발생 정보를 별도로 가지는 자기디스크와이를검출하는자기디스크장치
KR100420992B1 (ko) * 1996-10-10 2004-06-23 삼성전자주식회사 하드디스크드라이브의디펙서보섹터자동대체방법
JPH1196703A (ja) * 1997-09-17 1999-04-09 Alps Electric Co Ltd サーボパターンが記録されたディスクおよびサーボパターンの記録方法
US6181500B1 (en) 1998-04-17 2001-01-30 International Business Machines Corporation Self servo rewrite method and apparatus
JP3329289B2 (ja) * 1998-11-26 2002-09-30 インターナショナル・ビジネス・マシーンズ・コーポレーション ディスクドライブ装置及びその製造方法、ディスクドライブ装置のシーク制御方法、ディスクドライブ制御装置
US6421195B1 (en) * 1999-09-20 2002-07-16 International Business Machines Corporation Magnetic disk media with patterned sections
JP3861197B2 (ja) * 2001-03-22 2006-12-20 株式会社東芝 記録媒体の製造方法
WO2005086598A2 (en) 2004-03-18 2005-09-22 Lg Electronics Inc. Apparatus and method for recording and/or reproducing data to/from recording medium
TWI381374B (zh) 2004-03-18 2013-01-01 Lg Electronics Inc 其上具有重疊區塊資訊之記錄媒體和用以形成、記錄及重製記錄媒體之設備和方法
TWI386923B (zh) 2004-03-18 2013-02-21 Lg Electronics Inc 其上具有區塊資訊之記錄媒體和用以形成、記錄及重製記錄媒體之設備和方法
US7970988B2 (en) 2004-03-19 2011-06-28 Lg Electronics Inc. Recording medium with status information thereon which changes upon reformatting and apparatus and methods for forming, recording, and reproducing the recording medium
CA2558895C (en) 2004-03-19 2012-08-07 Lg Electronics Inc. Recording medium with physical access control (pac) information thereon and apparatus and methods for forming, recording, and reproducing the recording medium
AU2005222770B2 (en) 2004-03-23 2010-03-04 Lg Electronics Inc. Recording medium, and method and apparatus for recording and reproducing data on/from recording medium
KR20060046157A (ko) 2004-06-21 2006-05-17 엘지전자 주식회사 기록매체 및 기록매체의 재포맷팅 방법 및 장치
US20060002246A1 (en) * 2004-06-30 2006-01-05 International Business Machines Corporation Sector-based worm implementation on random access memory
KR20060046445A (ko) 2004-07-22 2006-05-17 엘지전자 주식회사 기록매체 및 기록매체의 기록재생 제어방법 및 데이터기록재생 방법과 장치
JP2006338738A (ja) * 2005-05-31 2006-12-14 Tdk Corp 磁気記録媒体、磁気記録再生装置、スタンパ、スタンパの製造方法及び磁気記録媒体の製造方法
JP4163729B2 (ja) * 2006-10-03 2008-10-08 株式会社東芝 磁気記録媒体、その製造方法、および磁気記録装置
JP5259645B2 (ja) 2010-04-14 2013-08-07 株式会社東芝 磁気記録媒体及びその製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1319227A (en) * 1971-02-15 1973-06-06 Ibm Movement control system
US4032984A (en) * 1975-04-28 1977-06-28 Burroughs Corporation Transducer positioning system for providing both coarse and fine positioning
EP0000946A3 (de) * 1977-08-31 1979-03-21 Hewlett-Packard Company Einrichtung zur Regelung der Bewegung des Magnetkopfes in einer Datenspeichereinrichtung mit bewegbarem Magnetkopf
US4400747A (en) * 1981-06-26 1983-08-23 International Business Machines Corporation Servo system for data storage apparatus
US5187619A (en) * 1982-05-10 1993-02-16 Digital Equipment Corporation High speed switched automatic gain control
JPS59165279A (ja) * 1983-03-11 1984-09-18 Toshiba Corp ヘツドの位置決め方式
US4783705A (en) * 1986-02-27 1988-11-08 Quantum Corporation High capacity disk file with embedded sector servo and SCSI interface
JPS63173282A (ja) * 1987-01-13 1988-07-16 Nec Corp トラツク追従制御方式
JP2605721B2 (ja) * 1987-07-17 1997-04-30 ソニー株式会社 ディスク状記録媒体
JPH01100777A (ja) * 1987-10-14 1989-04-19 Matsushita Electric Ind Co Ltd フレキシブル磁気ディスク
US5177651A (en) * 1987-12-23 1993-01-05 Konica Corporation Magnetic media and servo synchronization method
US4949202A (en) * 1988-04-04 1990-08-14 Kalok Corporation Disk track for locating zero track and generating timing for index signal
JPH11777A (ja) * 1997-06-10 1999-01-06 Koike Sanso Kogyo Co Ltd レーザー切断装置

Also Published As

Publication number Publication date
EP0495471A3 (en) 1993-07-14
JPH04241268A (ja) 1992-08-28
EP0495471B1 (de) 1996-04-03
KR960001283B1 (ko) 1996-01-25
US5317468A (en) 1994-05-31
EP0495471A2 (de) 1992-07-22
KR920015274A (ko) 1992-08-26
DE69209532T2 (de) 1996-09-12
JP2616586B2 (ja) 1997-06-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP