NO921434L - Posisjoneringsinnretning for magnethode - Google Patents

Posisjoneringsinnretning for magnethode

Info

Publication number
NO921434L
NO921434L NO92921434A NO921434A NO921434L NO 921434 L NO921434 L NO 921434L NO 92921434 A NO92921434 A NO 92921434A NO 921434 A NO921434 A NO 921434A NO 921434 L NO921434 L NO 921434L
Authority
NO
Norway
Prior art keywords
servo
magnetic head
signals
tape
positioning device
Prior art date
Application number
NO92921434A
Other languages
English (en)
Norwegian (no)
Other versions
NO921434D0 (no
Inventor
Kazuki Murata
Shigeaki Kakiwaki
Tohru Okuda
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of NO921434D0 publication Critical patent/NO921434D0/no
Publication of NO921434L publication Critical patent/NO921434L/no

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
    • G11B5/58—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
NO92921434A 1991-04-12 1992-04-10 Posisjoneringsinnretning for magnethode NO921434L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7981391 1991-04-12

Publications (2)

Publication Number Publication Date
NO921434D0 NO921434D0 (no) 1992-04-10
NO921434L true NO921434L (no) 1992-10-13

Family

ID=13700647

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92921434A NO921434L (no) 1991-04-12 1992-04-10 Posisjoneringsinnretning for magnethode

Country Status (4)

Country Link
US (1) US5311380A (de)
EP (1) EP0508366B1 (de)
DE (1) DE69220280T2 (de)
NO (1) NO921434L (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5471352A (en) * 1992-07-21 1995-11-28 Hitachi, Ltd. Recording/playback apparatus in which head and tape are held in intermittent contact during rapid search
US5574602A (en) * 1993-06-14 1996-11-12 International Business Machines Corporation Processing servo signals concurrently read from plural spaced-apart servo areas for a magnetic tape having serpentine data track scanning
JP2644182B2 (ja) * 1993-06-14 1997-08-25 インターナショナル・ビジネス・マシーンズ・コーポレイション 多重トラック磁気テープ装置を初期化する装置及び方法
JPH0744841A (ja) * 1993-07-26 1995-02-14 Sharp Corp 回転ヘッド型磁気記録再生装置
US6819528B1 (en) 2000-10-25 2004-11-16 Storage Technology Corporation Asymmetric servo reader placement in bi-directional tape head
JP3776797B2 (ja) * 2001-12-28 2006-05-17 株式会社東芝 磁気記録再生装置
JP2005166140A (ja) * 2003-12-01 2005-06-23 Fuji Photo Film Co Ltd 磁気テープカートリッジおよびサーボライタ、ならびに磁気テープドライブおよびサーボ信号読取方法
US7298539B2 (en) * 2005-06-01 2007-11-20 Miradia Inc. Co-planar surface and torsion device mirror structure and method of manufacture for optical displays
US7839599B2 (en) * 2009-03-09 2010-11-23 International Business Machines Corporation Combining information from parallel servo channels
US7982988B2 (en) * 2009-03-09 2011-07-19 International Business Machines Corporation Combining information from parallel servo channels
US8331055B2 (en) * 2009-07-09 2012-12-11 International Business Machines Corporation Control method and apparatus for a dual-channel weighted LPOS combining scheme
US10033961B2 (en) 2013-04-24 2018-07-24 Group 47, Inc. Storage system using unformatted digital optical tape
US9208813B2 (en) * 2013-04-24 2015-12-08 Group 47, Inc. Digital optical tape storage system
US11367459B2 (en) * 2019-10-28 2022-06-21 Quantum Corporation Total dimensional stability compensation system and method for magnetic tape drive

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007493A (en) * 1975-05-06 1977-02-08 Burroughs Corporation Track positioning system for magnetic transducer head
JPS567229A (en) * 1979-06-26 1981-01-24 Olympus Optical Co Ltd Auto-tracking unit
JPS56101622A (en) * 1980-01-18 1981-08-14 Olympus Optical Co Ltd Autotracking system
JPS56145554A (en) * 1980-04-11 1981-11-12 Nippon Shiyuuhenki Kk Control system for magnetic tape attitude
JPS5733455A (en) * 1980-07-31 1982-02-23 Hitachi Ltd Correcting system of tape positioning error to magnetic head
JPS627398A (ja) * 1985-07-01 1987-01-14 Nec Corp ステツプモ−タのデイジタル位置決め制御装置
US4843495A (en) * 1987-05-11 1989-06-27 Exabyte Corporation Cyclical servo zone tracking method and apparatus for helical scan recording devices
US4796125A (en) * 1987-08-10 1989-01-03 Eastman Kodak Company Optimizing the positioning of a pair of magnetic heads relative to spaced tracks on magnetic tape
US4953161A (en) * 1988-10-27 1990-08-28 Kabushiki Kaisha Sankyo Seiki Seisakusho Magnetic head tracking device using plural gaps

Also Published As

Publication number Publication date
EP0508366B1 (de) 1997-06-11
EP0508366A2 (de) 1992-10-14
US5311380A (en) 1994-05-10
NO921434D0 (no) 1992-04-10
EP0508366A3 (en) 1992-12-23
DE69220280D1 (de) 1997-07-17
DE69220280T2 (de) 1998-01-22

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