FR2435887A7 - Circuit pour la compensation des champs d'ecriture dans les dispositifs de memorisation de donnees, en particulier dans les memoires a disques magnetiques - Google Patents

Circuit pour la compensation des champs d'ecriture dans les dispositifs de memorisation de donnees, en particulier dans les memoires a disques magnetiques

Info

Publication number
FR2435887A7
FR2435887A7 FR7919209A FR7919209A FR2435887A7 FR 2435887 A7 FR2435887 A7 FR 2435887A7 FR 7919209 A FR7919209 A FR 7919209A FR 7919209 A FR7919209 A FR 7919209A FR 2435887 A7 FR2435887 A7 FR 2435887A7
Authority
FR
France
Prior art keywords
writing
compensation
data storage
circuit
storage devices
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
Application number
FR7919209A
Other languages
English (en)
French (fr)
Inventor
Joachim Hack
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Application granted granted Critical
Publication of FR2435887A7 publication Critical patent/FR2435887A7/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • 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
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • 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
    • G11B5/09—Digital recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
FR7919209A 1978-07-26 1979-07-25 Circuit pour la compensation des champs d'ecriture dans les dispositifs de memorisation de donnees, en particulier dans les memoires a disques magnetiques Expired FR2435887A7 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782832719 DE2832719A1 (de) 1978-07-26 1978-07-26 Anordnung zur kompensation von ungleichen schreibfeldern in magnetischen datenspeichereinrichtungen, insbesondere in magnetplattenspeichern

Publications (1)

Publication Number Publication Date
FR2435887A7 true FR2435887A7 (fr) 1980-04-04

Family

ID=6045385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7919209A Expired FR2435887A7 (fr) 1978-07-26 1979-07-25 Circuit pour la compensation des champs d'ecriture dans les dispositifs de memorisation de donnees, en particulier dans les memoires a disques magnetiques

Country Status (5)

Country Link
US (1) US4303951A (https=)
JP (1) JPS5517900A (https=)
DE (1) DE2832719A1 (https=)
FR (1) FR2435887A7 (https=)
GB (1) GB2030342B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226717A1 (de) * 1981-07-16 1983-02-03 Ampex Corp., 94063 Redwood City, Calif. System und verfahren zum sputtern mit einer hohen rate

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57164822U (https=) * 1981-04-07 1982-10-18
US4965681A (en) * 1985-06-12 1990-10-23 Canon Kabushiki Kaisha Magnetic recording apparatus of rotary magnetic type having cross-talk cancelling function
DE3931828A1 (de) * 1989-09-23 1991-04-04 Krieg Gunther Streifencode sowie verfahren und vorrichtung zum lesen eines solchen
US6847500B2 (en) * 2001-09-06 2005-01-25 Hitachi Global Storage Technologies Netherlands B.V. Methods and apparatus for gradually decreasing supply current demand in arm electronics for write-to-read transitions
JP2016053464A (ja) * 2014-09-04 2016-04-14 シャープ株式会社 加熱調理器
US9875757B1 (en) * 2016-11-09 2018-01-23 Seagate Technology Llc Adjusting track width to compensate for offset writing of a track

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2727096A (en) * 1952-08-28 1955-12-13 Rca Corp Anti cross-talk multitrack magnetic sound system
US3092817A (en) * 1961-03-07 1963-06-04 Singer Inc H R B Magnetic reading/writing circuit and channel selector therefor
US3503059A (en) * 1967-03-22 1970-03-24 Ibm Pulse crowding compensation for magnetic recording
DE1549063B2 (de) * 1967-12-06 1971-10-14 Siemens AG, 1000 Berlin u 8000 München Schaltungsanordnung zum ausgleich der durch magische steue rung hervorgerufenen beeinflussung der spaltfeder benach barter schreibkoepfe einer mehrspur magnetkopfanordnung
US3665485A (en) * 1969-06-11 1972-05-23 Petter Instr Co Inc Method and system for high density recording of information on premagnetized magnetic tape
US3653062A (en) * 1970-12-11 1972-03-28 Ibm Information storage recording signal amplitude control
US3838448A (en) * 1973-02-07 1974-09-24 Control Data Corp Compensated baseline circuit
JPS5276016A (en) * 1975-12-20 1977-06-25 Nec Corp Magnetic recording system of digital type
US4037258A (en) * 1976-02-02 1977-07-19 Xerox Corporation Read/write apparatus for magnetic recorders
US4021853A (en) * 1976-03-30 1977-05-03 Sperry Rand Corporation Method and apparatus for the magnetic storage of digital data

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3226717A1 (de) * 1981-07-16 1983-02-03 Ampex Corp., 94063 Redwood City, Calif. System und verfahren zum sputtern mit einer hohen rate

Also Published As

Publication number Publication date
GB2030342A (en) 1980-04-02
GB2030342B (en) 1982-06-30
US4303951A (en) 1981-12-01
JPS5517900A (en) 1980-02-07
DE2832719A1 (de) 1980-02-07
DE2832719C2 (https=) 1988-12-15

Similar Documents

Publication Publication Date Title
EP0606963A3 (en) Magnetic data storage device comprising a transducer assembly for quasi-contact magnetic recording.
US4885649A (en) Thin film head having a magneto-restrictive read element
ES2079555T3 (es) Sistema que consta de un aparato y una casete, aparato y casete adecuados para utilizacion en tal sistema y de una unidad de cabeza magnetica adecuada para utilizacion en tal aparato.
DE69333070D1 (de) Gleiter-Magnetkopf für magneto-optische Aufzeichnung
FR2435887A7 (fr) Circuit pour la compensation des champs d'ecriture dans les dispositifs de memorisation de donnees, en particulier dans les memoires a disques magnetiques
DE3681982D1 (de) Kopfpositioniermechanismus fuer datenkassettenaufzeichnungsgeraet.
US6574078B1 (en) Method and apparatus for providing electrostatic discharge protection of a magnetic head using a mechanical switch and an electrostatic discharge device network
DE69226853D1 (de) Aufnahme- und Wiedergabeanordnung mit einer Block-löschbaren nichtflüchtigen Halbleiterspeicheranordnung für einen Block von spezifischen Datengruppen
US4636902A (en) Crosstalk shielding assembly for addition to one head of a dual magnetic head assembly
KR870001544A (ko) 기록재생장치
FR2431161A1 (fr) Cassette de bande magnetique
ATE25441T1 (de) Signal-aufzeichnungs-/wiedergabegeraet.
EP0308483A1 (en) THIN FILM MAGNETORESISTIVE HEAD FOR A DIGITAL MAGNETIC STORAGE DEVICE.
ATE170658T1 (de) Aufzeichnungs- und wiedergabegerät
JPH10124824A (ja) 磁気ヘッド及び製作方法
MY125384A (en) Head supporting arm, data recording apparatus, with laser beam exposing aperture and limiter
FI821933A7 (fi) Magneettisen muistilevyn makasiini jossa on tallenneraitojen osoituslaite.
FR2506486A1 (fr) Dispositif a bras de support pour dispositif de memoire a disque magnetique
DE69215047D1 (de) Dünnfilmlaminierter aufnahme/wiedergabe magnetkopf für hohe schreibdichten und datentransferraten
GB1473453A (en) Write-erase apparatus for a rotating head magnetic signal recorder
US3155949A (en) Tunnel erase magnetic transducer
JPS57166659A (en) Magnetic disk device
US4757411A (en) Magnetic head device having a holder with a generally ring shape which is electromagnetically open
EP0540352A3 (en) Data recording/reproducing device
FR2357027A1 (fr) Circuit pour effacer une bande magnetique portant des donnees