JPS55125530A - Magnetic recorder/reproducer - Google Patents

Magnetic recorder/reproducer

Info

Publication number
JPS55125530A
JPS55125530A JP3256979A JP3256979A JPS55125530A JP S55125530 A JPS55125530 A JP S55125530A JP 3256979 A JP3256979 A JP 3256979A JP 3256979 A JP3256979 A JP 3256979A JP S55125530 A JPS55125530 A JP S55125530A
Authority
JP
Japan
Prior art keywords
heads
irregularities
line
running direction
right angles
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.)
Granted
Application number
JP3256979A
Other languages
English (en)
Other versions
JPS638534B2 (ja
Inventor
Jiro Torio
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP3256979A priority Critical patent/JPS55125530A/ja
Priority to US06/129,409 priority patent/US4334252A/en
Publication of JPS55125530A publication Critical patent/JPS55125530A/ja
Publication of JPS638534B2 publication Critical patent/JPS638534B2/ja
Granted 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
    • G11B5/4893—Disposition of heads relative to moving tape
    • 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
    • G11B5/48—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

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
JP3256979A 1979-03-20 1979-03-20 Magnetic recorder/reproducer Granted JPS55125530A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3256979A JPS55125530A (en) 1979-03-20 1979-03-20 Magnetic recorder/reproducer
US06/129,409 US4334252A (en) 1979-03-20 1980-03-11 Magnetic recording and reproducing head arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3256979A JPS55125530A (en) 1979-03-20 1979-03-20 Magnetic recorder/reproducer

Publications (2)

Publication Number Publication Date
JPS55125530A true JPS55125530A (en) 1980-09-27
JPS638534B2 JPS638534B2 (ja) 1988-02-23

Family

ID=12362531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3256979A Granted JPS55125530A (en) 1979-03-20 1979-03-20 Magnetic recorder/reproducer

Country Status (2)

Country Link
US (1) US4334252A (ja)
JP (1) JPS55125530A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57103158A (en) * 1980-12-18 1982-06-26 Nippon Telegr & Teleph Corp <Ntt> Magnetic disk device
JPS57191829A (en) * 1981-05-20 1982-11-25 Fujitsu Ltd Magnetic recording system
US4581663A (en) * 1982-11-02 1986-04-08 Nec Corporation Buried servo recording system having dual transducers
JPH04102207A (ja) * 1990-08-20 1992-04-03 Matsushita Electric Ind Co Ltd 磁気ヘッド
JPH0458806U (ja) * 1990-09-28 1992-05-20

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57186229A (en) * 1981-05-11 1982-11-16 Mitsubishi Electric Corp Magnetic head for azimuth recording
US4439793A (en) * 1981-10-22 1984-03-27 Fuji Photo Film Co., Ltd. Thin film head array
US4514772A (en) * 1983-02-09 1985-04-30 Gill Cantwell Apparatus for reading/writing data on magnetic disc
DE3521437A1 (de) * 1983-11-29 1986-12-18 Sharp K.K., Osaka Mehrspur-magnetbandgeraet und verfahren zur spureinstellung seiner wiedergabekoepfe
US4638383A (en) * 1984-02-22 1987-01-20 Mcginlay James G Micro hard-disk drive system
JPS61253679A (ja) * 1985-05-07 1986-11-11 Toshiba Corp 磁気デイスク装置
US4685013A (en) * 1985-08-22 1987-08-04 Pericomp Corp. Magnetic tape head alignment system
US4933795A (en) * 1987-12-07 1990-06-12 Fujitsu America, Inc. Floppy disc read and write head having two separate read and write cores for multiple track density and recording frequencies
US4975791A (en) * 1988-03-22 1990-12-04 Carlisle Memory Products Group Incorporated Recording system having head transducers with controlled skew
US4979051A (en) * 1988-03-22 1990-12-18 Eggebeen James A Bimodal multi-track magnetic head
US5017951A (en) * 1988-04-26 1991-05-21 Agfa-Gevaert, N.V. Photographic processing application with replaceable cassette
US5223994A (en) * 1989-10-02 1993-06-29 Behr Michael I System using superimposed, orthogonal buried servo signals
US5132861A (en) * 1989-10-02 1992-07-21 Behr Michael I Systems using superimposed, orthogonal buried servo signals
JPH03222110A (ja) * 1990-01-26 1991-10-01 Nec Corp 磁気ヘッド
JP3127530B2 (ja) * 1991-10-29 2001-01-29 ソニー株式会社 回転ヘッド装置
US5307217A (en) * 1992-06-24 1994-04-26 Digital Equipment Corporation Magnetic head for very high track density magnetic recording
US5371638A (en) * 1992-06-24 1994-12-06 Digital Equipment Corporation Servo method and apparatus for very high track density magnetic recording by adjusting head position based on servo information read from adjacent track
US5949604A (en) * 1992-06-24 1999-09-07 Quantum Corporation Method of writing and reading servo on tracks having a longitudinal gap
US5724212A (en) * 1995-05-26 1998-03-03 Quantum Corporation Method and apparatus for increasing data density in magnetic data storage disk drives
US6404591B1 (en) 1996-02-06 2002-06-11 Mitsumi Electric Co., Ltd. Magnetic head having cut-out portions for different recording density head cores
US6307704B1 (en) * 1998-08-19 2001-10-23 Mitsubishi Chemical Corporation Data recording medium and data recording/reproducing device with increased storage capacity
WO2004084192A1 (ja) * 2003-03-17 2004-09-30 Fujitsu Limited 磁気ディスク装置
JP2005129201A (ja) * 2003-10-02 2005-05-19 Sony Corp 磁気記録再生装置
US7116514B2 (en) * 2003-10-20 2006-10-03 Quantum Corporation Methods and systems for magnetic recording
US7085095B2 (en) * 2003-10-20 2006-08-01 Quantum Corporation Electromagnetic void-sensing probes and position control systems
US7102845B2 (en) * 2003-10-20 2006-09-05 Quantum Corporation Servo methods and systems using existing data structures and medium edge position
US7136255B2 (en) * 2003-10-20 2006-11-14 Quantum Corporation Servo methods and systems using masked medium edge position sensors
US7149050B2 (en) * 2003-10-20 2006-12-12 Quantum Corporation Diffractive position sensors and control systems
US7139152B2 (en) * 2003-10-20 2006-11-21 Quantum Corporation Servo methods and systems using existing data structures and optical masks
US7184233B2 (en) * 2004-06-04 2007-02-27 Quantum Corporation Dual source tracking servo systems and associated methods
US20060103968A1 (en) * 2004-11-12 2006-05-18 Jurneke Joe K Dynamic skew compensation systems and associated methods
US7499235B2 (en) * 2005-03-18 2009-03-03 Quantum Corporation Auto-servo tape system and associated recording head
US7532437B2 (en) * 2006-01-19 2009-05-12 Seagate Technology Llc Slider having transducers orientated in different directions
US7826169B2 (en) * 2007-04-25 2010-11-02 Quantum Corporation Servo error detection and compensation utilizing virtual data tracking servo methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651406B2 (ja) * 1972-12-23 1981-12-05
US4007493A (en) * 1975-05-06 1977-02-08 Burroughs Corporation Track positioning system for magnetic transducer head
JPS53120415A (en) * 1977-03-29 1978-10-20 Mitsubishi Electric Corp Magnetic head
US4148080A (en) * 1977-06-16 1979-04-03 Burroughs Corporation Di-bit recording technique and associated system
US4146911A (en) * 1977-12-23 1979-03-27 Burroughs Corporation Head spacing control

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57103158A (en) * 1980-12-18 1982-06-26 Nippon Telegr & Teleph Corp <Ntt> Magnetic disk device
JPS5818696B2 (ja) * 1980-12-18 1983-04-14 日本電信電話株式会社 磁気デイスク装置
JPS57191829A (en) * 1981-05-20 1982-11-25 Fujitsu Ltd Magnetic recording system
US4581663A (en) * 1982-11-02 1986-04-08 Nec Corporation Buried servo recording system having dual transducers
JPH04102207A (ja) * 1990-08-20 1992-04-03 Matsushita Electric Ind Co Ltd 磁気ヘッド
JPH0458806U (ja) * 1990-09-28 1992-05-20

Also Published As

Publication number Publication date
JPS638534B2 (ja) 1988-02-23
US4334252A (en) 1982-06-08

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