GB2279491B - Magnetic disk drive - Google Patents

Magnetic disk drive

Info

Publication number
GB2279491B
GB2279491B GB9411354A GB9411354A GB2279491B GB 2279491 B GB2279491 B GB 2279491B GB 9411354 A GB9411354 A GB 9411354A GB 9411354 A GB9411354 A GB 9411354A GB 2279491 B GB2279491 B GB 2279491B
Authority
GB
United Kingdom
Prior art keywords
disk drive
magnetic disk
magnetic
drive
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 - Fee Related
Application number
GB9411354A
Other versions
GB9411354D0 (en
GB2279491A (en
Inventor
Koji Kurachi
Toyomi Ohsawa
Takao Matsui
Yuji Kigami
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 GB9411354D0 publication Critical patent/GB9411354D0/en
Publication of GB2279491A publication Critical patent/GB2279491A/en
Application granted granted Critical
Publication of GB2279491B publication Critical patent/GB2279491B/en
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
    • 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
    • G11B5/488—Disposition of heads
    • G11B5/4886—Disposition of heads relative to rotating disc
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
GB9411354A 1993-06-25 1994-06-07 Magnetic disk drive Expired - Fee Related GB2279491B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5155007A JPH0737216A (en) 1993-06-25 1993-06-25 Magnetic disk device and method for setting and utilizing identification field

Publications (3)

Publication Number Publication Date
GB9411354D0 GB9411354D0 (en) 1994-07-27
GB2279491A GB2279491A (en) 1995-01-04
GB2279491B true GB2279491B (en) 1997-02-05

Family

ID=15596657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9411354A Expired - Fee Related GB2279491B (en) 1993-06-25 1994-06-07 Magnetic disk drive

Country Status (5)

Country Link
JP (1) JPH0737216A (en)
KR (1) KR950001603A (en)
CN (1) CN1101160A (en)
GB (1) GB2279491B (en)
TW (1) TW247958B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5751512A (en) * 1994-01-28 1998-05-12 Seagate Technology, Inc. Data storage format for data storage devices having a radial offset between read and write elements
KR100373879B1 (en) * 1995-01-27 2003-04-21 시게이트 테크놀로지 엘엘씨 Dual identification for data fields of a disk drive
KR100408388B1 (en) * 1996-05-17 2004-03-18 삼성전자주식회사 Method for setting read channel factor value of hdd
KR100496178B1 (en) * 1997-12-29 2005-09-13 삼성전자주식회사 Information retrieval method of system area in disk for storing information of disk drive for storing information
US20020036858A1 (en) * 2000-09-27 2002-03-28 Seagate Technology Llc Writing servo sectors to a disc drive using offset heads
JP3987484B2 (en) * 2003-11-28 2007-10-10 株式会社東芝 Magnetic recording medium, magnetic recording apparatus, and offset amount measuring method
US8984218B2 (en) 2005-06-24 2015-03-17 Hewlett-Packard Development Company, L.P. Drive indicating mechanism for removable media
US7813077B2 (en) * 2006-08-31 2010-10-12 International Business Machines Corporation Apparatus, system, and method for detecting a periodic sequence of servo signals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05225509A (en) * 1991-10-02 1993-09-03 Hitachi Ltd Magnetic disk and magnetic disk device using it

Also Published As

Publication number Publication date
GB9411354D0 (en) 1994-07-27
JPH0737216A (en) 1995-02-07
CN1101160A (en) 1995-04-05
GB2279491A (en) 1995-01-04
TW247958B (en) 1995-05-21
KR950001603A (en) 1995-01-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980607