SG96570A1 - Detection of indexed servo positions displaced from servo track edges - Google Patents

Detection of indexed servo positions displaced from servo track edges

Info

Publication number
SG96570A1
SG96570A1 SG200005496A SG200005496A SG96570A1 SG 96570 A1 SG96570 A1 SG 96570A1 SG 200005496 A SG200005496 A SG 200005496A SG 200005496 A SG200005496 A SG 200005496A SG 96570 A1 SG96570 A1 SG 96570A1
Authority
SG
Singapore
Prior art keywords
servo
detection
indexed
positions displaced
track edges
Prior art date
Application number
SG200005496A
Other languages
English (en)
Inventor
Chliwnyj Alex
James Gniewek John
Allen Hutchins Robert
Carter Wills Steven
Original Assignee
Ibm
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
Priority claimed from US09/413,327 external-priority patent/US6525898B1/en
Application filed by Ibm filed Critical Ibm
Publication of SG96570A1 publication Critical patent/SG96570A1/en

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
    • G11B5/54—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
    • G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
    • G11B5/5508—Control circuits therefor
    • 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
    • G11B5/58—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—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 for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
SG200005496A 1999-10-07 2000-09-25 Detection of indexed servo positions displaced from servo track edges SG96570A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/413,327 US6525898B1 (en) 1999-08-03 1999-10-07 Detection of indexed servo positions displaced from servo track edges

Publications (1)

Publication Number Publication Date
SG96570A1 true SG96570A1 (en) 2003-06-16

Family

ID=23636819

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200005496A SG96570A1 (en) 1999-10-07 2000-09-25 Detection of indexed servo positions displaced from servo track edges

Country Status (4)

Country Link
JP (1) JP3650316B2 (zh)
KR (1) KR100376745B1 (zh)
CN (1) CN1244109C (zh)
SG (1) SG96570A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101740052B (zh) 2001-10-15 2012-09-05 皇家飞利浦电子股份有限公司 记录载体和用于扫描该记录载体的装置
JP5766266B2 (ja) * 2013-12-20 2015-08-19 日立マクセル株式会社 磁気テープ装置、データ記録方法、磁気テープ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4519007A (en) * 1982-12-08 1985-05-21 Burroughs Corporation Servo-track position detection systems
US5448430A (en) * 1993-08-05 1995-09-05 International Business Machines Corporation Track following servo demodulation
US5946159A (en) * 1996-11-27 1999-08-31 International Business Machines Corporation Servo edge correction using edge samples taken by independently positioned servo elements

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09139035A (ja) * 1995-11-13 1997-05-27 Toshiba Corp ディスク記録再生システム及びそのヘッド位置決め制御方法
JP3257939B2 (ja) * 1995-11-21 2002-02-18 富士通株式会社 ディスク装置及びディスク装置のヘッド位置決め制御方法
JP3871081B2 (ja) * 1997-02-26 2007-01-24 富士通株式会社 サーボトラックライタおよび磁気ディスク装置
JP3758317B2 (ja) * 1997-07-09 2006-03-22 ソニー株式会社 データ記録及び／又は再生装置
JPH1153851A (ja) * 1997-08-05 1999-02-26 Matsushita Electric Ind Co Ltd 磁気ディスク及び磁気ディスク装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4519007A (en) * 1982-12-08 1985-05-21 Burroughs Corporation Servo-track position detection systems
US5448430A (en) * 1993-08-05 1995-09-05 International Business Machines Corporation Track following servo demodulation
US5946159A (en) * 1996-11-27 1999-08-31 International Business Machines Corporation Servo edge correction using edge samples taken by independently positioned servo elements

Also Published As

Publication number Publication date
CN1291772A (zh) 2001-04-18
KR20010050891A (ko) 2001-06-25
JP3650316B2 (ja) 2005-05-18
CN1244109C (zh) 2006-03-01
JP2001110026A (ja) 2001-04-20
KR100376745B1 (ko) 2003-03-19

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