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FR2315142A1 - Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetique - Google Patents

Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetique

Info

Publication number
FR2315142A1
FR2315142A1 FR7518837A FR7518837A FR2315142A1 FR 2315142 A1 FR2315142 A1 FR 2315142A1 FR 7518837 A FR7518837 A FR 7518837A FR 7518837 A FR7518837 A FR 7518837A FR 2315142 A1 FR2315142 A1 FR 2315142A1
Authority
FR
France
Prior art keywords
guide
track
transducer head
magnetic recording
head
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
FR7518837A
Other languages
English (en)
Other versions
FR2315142B1 (fr
Inventor
Claude Goudal
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.)
PYRAL SOC
Original Assignee
PYRAL SOC
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 PYRAL SOC filed Critical PYRAL SOC
Priority to FR7518837A priority Critical patent/FR2315142A1/fr
Publication of FR2315142A1 publication Critical patent/FR2315142A1/fr
Application granted granted Critical
Publication of FR2315142B1 publication Critical patent/FR2315142B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/38Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • G11B23/42Marks for indexing, speed-controlling, synchronising, or timing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/012Recording on, or reproducing or erasing from, magnetic disks
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/596Disposition 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 disks
    • G11B5/59677Disposition 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 disks with optical servo tracking

Landscapes

  • Magnetic Heads (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
FR7518837A 1975-06-17 1975-06-17 Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetique Granted FR2315142A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7518837A FR2315142A1 (fr) 1975-06-17 1975-06-17 Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7518837A FR2315142A1 (fr) 1975-06-17 1975-06-17 Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetique

Publications (2)

Publication Number Publication Date
FR2315142A1 true FR2315142A1 (fr) 1977-01-14
FR2315142B1 FR2315142B1 (fr) 1977-12-02

Family

ID=9156609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7518837A Granted FR2315142A1 (fr) 1975-06-17 1975-06-17 Procede de guidage d'une tete d'enregistrement et/ou de lecture d'un support magnetique

Country Status (1)

Country Link
FR (1) FR2315142A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2336766A1 (fr) * 1975-12-26 1977-07-22 Sony Corp Support d'enregistrement, sa fabrication et son application
FR2347744A1 (fr) * 1976-04-10 1977-11-04 Philips Nv Porteur d'information muni d'une couche d'emmagasinage magnetique et dispositif pour la lecture ou l'ecriture d'un tel porteur
FR2390800A1 (fr) * 1977-05-10 1978-12-08 Philips Nv Bande magnetique munie de reperes observables par voie optique et procede pour la fabrication d'une telle bande
EP0097774A2 (fr) * 1982-06-30 1984-01-11 International Business Machines Corporation Système transducteur
EP0113051A2 (fr) * 1982-12-30 1984-07-11 International Business Machines Corporation Système de détection de la position sur un disque rotatif
WO1985002933A1 (fr) * 1983-12-27 1985-07-04 Ncr Corporation Milieu d'enregistrement magnetique et appareil et procede pour suivre une piste de celui-ci
US4633451A (en) * 1982-06-30 1986-12-30 International Business Machines Corporation Optical servo for magnetic disks
US4816939A (en) * 1986-08-21 1989-03-28 Polaroid Corporation Magnetic recording media and servo systems using light-transmitting optical gratings
WO1990004846A1 (fr) * 1988-10-25 1990-05-03 Siemens Aktiengesellschaft Unite d'exploration pour memoire a disque magnetique
US5462823A (en) * 1992-11-16 1995-10-31 Minnesota Mining And Manufacturing Company Magnetic recording materials provided with a photosensitive layer
WO2000030079A1 (fr) * 1998-11-13 2000-05-25 Quantum Corporation Appareil optique permettant l'alignement d'une bande magnetique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19913382C2 (de) 1998-03-24 2002-08-14 Quantum Corp Mehrkanaliges Magnetbandsystem mit einem optischen Spur-Servo
EP1205912A4 (fr) 1999-02-16 2002-08-21 Quantum Corp Procede d'ecriture de signaux d'asservissement sur une bande magnetique
JP4286457B2 (ja) 1999-02-17 2009-07-01 クウォンタム・コーポレイション 磁気テープへのサーボ信号書き込み方法
US6558774B1 (en) 1999-08-17 2003-05-06 Quantum Corporation Multiple-layer backcoating for magnetic tape

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1350194A (fr) * 1962-02-05 1964-01-24 Sperry Rand Corp Dispositif pour placer de façon correcte un transducteur par rapport à une piste d'enregistrement
FR1468978A (fr) * 1964-12-21 1967-02-10 Ibm Système de mise en position pour dispositif à accès sélectif
US3803350A (en) * 1969-03-17 1974-04-09 J Lemelson Record card scanning apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1350194A (fr) * 1962-02-05 1964-01-24 Sperry Rand Corp Dispositif pour placer de façon correcte un transducteur par rapport à une piste d'enregistrement
FR1468978A (fr) * 1964-12-21 1967-02-10 Ibm Système de mise en position pour dispositif à accès sélectif
US3803350A (en) * 1969-03-17 1974-04-09 J Lemelson Record card scanning apparatus

Non-Patent Citations (9)

* Cited by examiner, † Cited by third party
Title
*REVUE US "IBM TECHNICAL DISCLOSURE BULLETIN" VOL 12 N 4, SEPTEMBRE 1969, ARTICLE: "TRACK FOLLOWING SERVO FOR MAGNETIC RECORDING USING LUMINESCENT SERVO TRACKS", PAGES 599-600 KUBEC ET AL. *
*REVUE US "IBM TECHNICAL DISCLOSURE BULLETIN", VOL. 11 NO. 10, MARS 1969, ARTICLE: "TRACK-FOLLOWING SERVO-SYSTEM", PAGES 1303-1304 PADALINO ET MCINTOSH *
*REVUE US "IBM TECHNICAL DISCLOSURE BULLETIN", VOL. 16, NO. 9, FEVRIER 1974, ARTICLE: "OPTICAL SERVO TECHNIQUE USING MOIRE FRINGES", PAGE 3020 HART ) *
*REVUE US "IBM TECHNICAL DISCLOSURE BULLETIN", VOL. 9, NO. 11, AVRIL 1967, ARTICLE:"AUTOMATIC MAGNETIC TRACK SEEKING SYSTEM", PAGES 1499-1500 HAGOPIAN *
*REVUE US "IBM TECHNICALDISCLOSURE BULLETIN", VOL. 17, NO. 4, SEPTEMBRE 1974, ARTICLE: "MULTIELEMENT SERVOING HEAD" PAGES 979-980 MCCORMICK *
REVUE US "IBM JOURNAL OF RESEARCH AND DEVELOPMENT",VOL. 5, OCTOBRE 1961, NO. 4, ARTICLE: "A HIGH TRACK-DENSITY SERVO-ACCESS SYSTEM FOR MAGNETIC RECORDING DISK STORAGE" PAGES 287-296 HOAGLAND *
REVUE US "IBM TECHNICAL DISCLOSURE BULLETIN" VOL. 16, NO. 6,NOVEMBRE 1973, ARTICLE: "SERVO DISK WITH OVERLAPPING SERVO AND DATA TRACKS", PAGE 1818 COMSTOCK ET VOEGELI . *
REVUE US: "IBM TECHNICAL DISCLOSURE BULLETIN", VOL. 16, NO. 4, SEPTEMBRE 1973, ARTICLE: "OPTICAL SERVO INFORMA *
TION ON MAGNETIC RECORDING DISKS", PAGE 1082 SCHNEIDER *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2336766A1 (fr) * 1975-12-26 1977-07-22 Sony Corp Support d'enregistrement, sa fabrication et son application
FR2347744A1 (fr) * 1976-04-10 1977-11-04 Philips Nv Porteur d'information muni d'une couche d'emmagasinage magnetique et dispositif pour la lecture ou l'ecriture d'un tel porteur
FR2390800A1 (fr) * 1977-05-10 1978-12-08 Philips Nv Bande magnetique munie de reperes observables par voie optique et procede pour la fabrication d'une telle bande
EP0097774A3 (fr) * 1982-06-30 1986-02-05 International Business Machines Corporation Système transducteur
EP0097774A2 (fr) * 1982-06-30 1984-01-11 International Business Machines Corporation Système transducteur
US4633451A (en) * 1982-06-30 1986-12-30 International Business Machines Corporation Optical servo for magnetic disks
EP0113051A2 (fr) * 1982-12-30 1984-07-11 International Business Machines Corporation Système de détection de la position sur un disque rotatif
EP0113051A3 (fr) * 1982-12-30 1986-09-03 International Business Machines Corporation Système de détection de la position sur un disque rotatif
WO1985002933A1 (fr) * 1983-12-27 1985-07-04 Ncr Corporation Milieu d'enregistrement magnetique et appareil et procede pour suivre une piste de celui-ci
US4816939A (en) * 1986-08-21 1989-03-28 Polaroid Corporation Magnetic recording media and servo systems using light-transmitting optical gratings
WO1990004846A1 (fr) * 1988-10-25 1990-05-03 Siemens Aktiengesellschaft Unite d'exploration pour memoire a disque magnetique
US5462823A (en) * 1992-11-16 1995-10-31 Minnesota Mining And Manufacturing Company Magnetic recording materials provided with a photosensitive layer
WO2000030079A1 (fr) * 1998-11-13 2000-05-25 Quantum Corporation Appareil optique permettant l'alignement d'une bande magnetique

Also Published As

Publication number Publication date
FR2315142B1 (fr) 1977-12-02

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Legal Events

Date Code Title Description
ST Notification of lapse