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)
French (fr)
Other versions
FR2315142B1 (enrdf_load_stackoverflow
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

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record 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
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • G11B23/42—Marks for indexing, speed-controlling, synchronising, or timing
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B5/596—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 disks
    • G11B5/59677—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 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 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

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
WO1985002933A1 (en) * 1983-12-27 1985-07-04 Ncr Corporation Magnetic record medium and apparatus and method for tracking the same
EP0097774A3 (en) * 1982-06-30 1986-02-05 International Business Machines Corporation Transducing system
EP0113051A3 (en) * 1982-12-30 1986-09-03 International Business Machines Corporation System for position detection on a rotating disk
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 (de) * 1988-10-25 1990-05-03 Siemens Aktiengesellschaft Abtasteinheit für einen magnetplattenspeicher
US5462823A (en) * 1992-11-16 1995-10-31 Minnesota Mining And Manufacturing Company Magnetic recording materials provided with a photosensitive layer
WO2000030079A1 (en) * 1998-11-13 2000-05-25 Quantum Corporation Optical apparatus for tracking a magnetic tape

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7029726B1 (en) 1999-07-27 2006-04-18 Quantum Corporation Method for forming a servo pattern on a magnetic tape
US7153366B1 (en) 1998-03-24 2006-12-26 Quantum Corporation Systems and method for forming a servo pattern on a magnetic tape
DE19913382C2 (de) 1998-03-24 2002-08-14 Quantum Corp Mehrkanaliges Magnetbandsystem mit einem optischen Spur-Servo
WO2000049604A1 (fr) 1999-02-16 2000-08-24 Quantum Corporation Procede d'ecriture de signaux d'asservissement sur une bande magnetique
AU2547199A (en) 1999-02-17 2000-09-04 Quantum Corporation Method of writing servo signal on magnetic tape
US6961200B2 (en) 1999-07-27 2005-11-01 Quantum Corporation Optical servo track identification on tape storage media
US6558774B1 (en) 1999-08-17 2003-05-06 Quantum Corporation Multiple-layer backcoating for magnetic tape
US6940676B1 (en) 2000-06-07 2005-09-06 Quantum Corporation Triple push-pull optical tracking system
US6940681B2 (en) 2001-08-20 2005-09-06 Quantum Corporation Optical to magnetic alignment in magnetic tape system
US7023650B2 (en) 2001-11-07 2006-04-04 Quantum Corporation Optical sensor to recording head alignment
US7187515B2 (en) 2003-02-05 2007-03-06 Quantum Corporation Method and system for tracking magnetic media with embedded optical servo tracks
US6980390B2 (en) 2003-02-05 2005-12-27 Quantum Corporation Magnetic media with embedded optical servo tracks

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 (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
EP0097774A3 (en) * 1982-06-30 1986-02-05 International Business Machines Corporation Transducing system
US4633451A (en) * 1982-06-30 1986-12-30 International Business Machines Corporation Optical servo for magnetic disks
EP0113051A3 (en) * 1982-12-30 1986-09-03 International Business Machines Corporation System for position detection on a rotating disk
WO1985002933A1 (en) * 1983-12-27 1985-07-04 Ncr Corporation Magnetic record medium and apparatus and method for tracking the same
US4816939A (en) * 1986-08-21 1989-03-28 Polaroid Corporation Magnetic recording media and servo systems using light-transmitting optical gratings
WO1990004846A1 (de) * 1988-10-25 1990-05-03 Siemens Aktiengesellschaft Abtasteinheit für einen magnetplattenspeicher
US5462823A (en) * 1992-11-16 1995-10-31 Minnesota Mining And Manufacturing Company Magnetic recording materials provided with a photosensitive layer
WO2000030079A1 (en) * 1998-11-13 2000-05-25 Quantum Corporation Optical apparatus for tracking a magnetic tape

Also Published As

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

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