FR2007152A1 - - Google Patents

Info

Publication number
FR2007152A1
FR2007152A1 FR6908193A FR6908193A FR2007152A1 FR 2007152 A1 FR2007152 A1 FR 2007152A1 FR 6908193 A FR6908193 A FR 6908193A FR 6908193 A FR6908193 A FR 6908193A FR 2007152 A1 FR2007152 A1 FR 2007152A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6908193A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2007152A1 publication Critical patent/FR2007152A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • 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
FR6908193A 1968-04-29 1969-03-24 Withdrawn FR2007152A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72499668A 1968-04-29 1968-04-29

Publications (1)

Publication Number Publication Date
FR2007152A1 true FR2007152A1 (fr) 1970-01-02

Family

ID=24912707

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6908193A Withdrawn FR2007152A1 (fr) 1968-04-29 1969-03-24

Country Status (5)

Country Link
US (1) US3576553A (fr)
JP (2) JPS4811045B1 (fr)
DE (1) DE1921360C3 (fr)
FR (1) FR2007152A1 (fr)
GB (1) GB1260706A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2198209A1 (fr) * 1972-06-26 1974-03-29 Ibm
FR2407545A1 (fr) * 1977-10-26 1979-05-25 Siemens Ag Montage permettant d'exploiter des signaux d'asservissement delivres par un disque magnetique d'une memoire a disques et constitues de plusieurs oscillations

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3737883A (en) * 1971-08-18 1973-06-05 Information Storage Systems Linear positioning apparatus for memory disc pack drive mechanisms
BE791363A (fr) * 1971-11-15 1973-05-14 Xerox Corp Dispositifs de compensation thermique pour unite de memoire a disque
US3720930A (en) * 1972-06-05 1973-03-13 Control Data Corp Thermal expansion compensator
US3839728A (en) * 1973-02-09 1974-10-01 Us Army Method of generating control tones
US4020506A (en) * 1975-06-30 1977-04-26 International Business Machines Corporation Tape cartridge with track position indicator
FR2405536A1 (fr) * 1977-10-07 1979-05-04 Thomson Csf Dispositif d'enregistrement-lecture d'une information sur une boucle de ruban magnetique enroule dans une cassette sans fin
US4675760A (en) * 1986-03-11 1987-06-23 Ampex Corporation Information signal recording and/or playback system and method using a prerecorded reference track
GB2219427B (en) * 1988-05-04 1992-11-18 M4 Data Ltd Electric motors
US5262908A (en) * 1990-02-20 1993-11-16 Sharp Kabushiki Kaisha Tracking control device for magnetic recording/reproducing apparatus
MX9303225A (es) * 1992-06-12 1994-05-31 Minnesota Mining & Mfg Aparato para grabar y leer datos sobre una cinta magnetica, en la forma de una secuencia de pistas arqueadas.
US5946156A (en) * 1997-03-04 1999-08-31 Imation Corp. Tape servo system and methods, write/read heads, and servo track configurations regarding same
US6330123B1 (en) 1999-05-28 2001-12-11 Imation Corp. Head assembly having a single pass servo writer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2709204A (en) * 1949-10-28 1955-05-24 Stromberg Carlson Co Recording and reproducing apparatus and methods
GB925603A (en) * 1960-12-21 1963-05-08 Vectron Electro Physics Ltd Compensation of irregularities in motion of a recording medium
US3185972A (en) * 1961-10-10 1965-05-25 Ibm Transducer positioning system utilizing record with interspersed data and positioning information
US3263031A (en) * 1962-05-29 1966-07-26 Sperry Rand Corp High-low frequency homing
GB987357A (en) * 1962-11-30 1965-03-24 Ibm Memory system employing a magnetic recording medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2198209A1 (fr) * 1972-06-26 1974-03-29 Ibm
FR2407545A1 (fr) * 1977-10-26 1979-05-25 Siemens Ag Montage permettant d'exploiter des signaux d'asservissement delivres par un disque magnetique d'une memoire a disques et constitues de plusieurs oscillations

Also Published As

Publication number Publication date
DE1921360C3 (de) 1979-10-25
JPS4934602B1 (fr) 1974-09-14
JPS4811045B1 (fr) 1973-04-10
DE1921360B2 (de) 1979-02-22
DE1921360A1 (de) 1969-11-20
GB1260706A (en) 1972-01-19
US3576553A (en) 1971-04-27

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Legal Events

Date Code Title Description
ST Notification of lapse