JPH0787023B2 - 記憶装置のヘッド位置決め制御方式とその方法 - Google Patents

記憶装置のヘッド位置決め制御方式とその方法

Info

Publication number
JPH0787023B2
JPH0787023B2 JP63-501385A JP50138588A JPH0787023B2 JP H0787023 B2 JPH0787023 B2 JP H0787023B2 JP 50138588 A JP50138588 A JP 50138588A JP H0787023 B2 JPH0787023 B2 JP H0787023B2
Authority
JP
Japan
Prior art keywords
track
pulse
head
circuit
odd
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
JP63-501385A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0787023B1 (enExample
JPWO1988005594A1 (ja
Inventor
健 西宮
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of JPWO1988005594A1 publication Critical patent/JPWO1988005594A1/ja
Publication of JPH0787023B1 publication Critical patent/JPH0787023B1/ja
Publication of JPH0787023B2 publication Critical patent/JPH0787023B2/ja
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
    • 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

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Control Of Position Or Direction (AREA)
JP63-501385A 1987-01-27 1988-01-27 記憶装置のヘッド位置決め制御方式とその方法 Expired - Lifetime JPH0787023B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62-16720 1987-01-27
JP1672087 1987-01-27
PCT/JP1988/000061 WO1988005594A1 (fr) 1987-01-27 1988-01-27 Systeme et procede de positionnement de la tete sur un support d'enregistrement

Publications (3)

Publication Number Publication Date
JPWO1988005594A1 JPWO1988005594A1 (ja) 1989-03-01
JPH0787023B1 JPH0787023B1 (enExample) 1995-09-20
JPH0787023B2 true JPH0787023B2 (ja) 1995-09-20

Family

ID=11924099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63-501385A Expired - Lifetime JPH0787023B2 (ja) 1987-01-27 1988-01-27 記憶装置のヘッド位置決め制御方式とその方法

Country Status (6)

Country Link
US (1) US5025330A (enExample)
EP (1) EP0299084B1 (enExample)
JP (1) JPH0787023B2 (enExample)
KR (1) KR920002881B1 (enExample)
DE (1) DE3885522T2 (enExample)
WO (1) WO1988005594A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5136561A (en) * 1991-01-03 1992-08-04 Turguy Goker Disk drive with target track acquisition
JP3157835B2 (ja) * 1993-07-12 2001-04-16 シーゲイト テクノロジー エルエルシー ハードディスク駆動装置の改良されたトランスデューサ整定方法
US6084742A (en) * 1994-04-06 2000-07-04 Fujitsu Limited Drive control apparatus for a disk drive
JP3334354B2 (ja) * 1994-09-06 2002-10-15 ソニー株式会社 ディジタルビデオ信号の変速再生方法及び再生装置
US5898534A (en) * 1996-05-01 1999-04-27 Overland Data, Inc. Method and system for controlling the position of a magnetic read head
US7990818B2 (en) * 2008-12-23 2011-08-02 General Electric Company Cascaded control of a pick-up head for multi-layer optical data storage

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503971A (en) * 1975-05-15 1978-03-15 Ibm Positioning system for data storage apparatus
JPS5493788A (en) * 1977-12-31 1979-07-25 Ricoh Co Ltd Speed signal detector
JPS59180860A (ja) * 1983-03-31 1984-10-15 Toshiba Corp 磁気デイスク装置の速度制御装置
JPS59180859A (ja) * 1983-03-31 1984-10-15 Toshiba Corp 磁気デイスク装置の速度制御装置
JPS6089876A (ja) * 1983-10-21 1985-05-20 Toshiba Corp 磁気ヘツド移動制御装置
US4590526A (en) * 1983-11-01 1986-05-20 Amcodyne Incorporated Method and apparatus for controlling head movement relative to a disk in an embedded servo system
JPS60193175A (ja) * 1984-03-13 1985-10-01 Toshiba Corp ヘツドの位置決め方式

Also Published As

Publication number Publication date
JPH0787023B1 (enExample) 1995-09-20
WO1988005594A1 (fr) 1988-07-28
KR920002881B1 (en) 1992-04-06
EP0299084A1 (en) 1989-01-18
US5025330A (en) 1991-06-18
DE3885522T2 (de) 1994-03-24
KR890700902A (ko) 1989-04-28
DE3885522D1 (de) 1993-12-16
EP0299084A4 (en) 1991-05-08
EP0299084B1 (en) 1993-11-10

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