BE730274A - Memoire a disques magnetiques - Google Patents

Memoire a disques magnetiques

Info

Publication number
BE730274A
BE730274A BE730274DA BE730274A BE 730274 A BE730274 A BE 730274A BE 730274D A BE730274D A BE 730274DA BE 730274 A BE730274 A BE 730274A
Authority
BE
Belgium
Prior art keywords
magnetic disc
disc memory
memory
magnetic
disc
Prior art date
Application number
Other languages
English (en)
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 filed Critical
Publication of BE730274A publication Critical patent/BE730274A/fr

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
    • G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4826—Mounting, aligning or attachment of the transducer head relative to the arm assembly, e.g. slider holding members, gimbals, adhesive
    • 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
    • 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
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • 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
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
    • G11B5/5556—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means with track following after a "seek"
    • 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
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/035—DC motors; Unipolar motors
    • H02K41/0352—Unipolar motors
    • H02K41/0354—Lorentz force motors, e.g. voice coil motors
    • H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/032—Reciprocating, oscillating or vibrating motors
    • H02P25/034—Voice coil motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Electromagnetism (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Moving Of Heads (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
BE730274D 1968-03-22 1969-03-21 Memoire a disques magnetiques BE730274A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71523768A 1968-03-22 1968-03-22

Publications (1)

Publication Number Publication Date
BE730274A true BE730274A (fr) 1969-09-01

Family

ID=24873203

Family Applications (1)

Application Number Title Priority Date Filing Date
BE730274D BE730274A (fr) 1968-03-22 1969-03-21 Memoire a disques magnetiques

Country Status (6)

Country Link
US (1) US3544980A (fr)
BE (1) BE730274A (fr)
DE (1) DE1909245C3 (fr)
FR (1) FR1600032A (fr)
GB (1) GB1250416A (fr)
NL (1) NL163348C (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713121A (en) * 1970-05-25 1973-01-23 Ibm Arm vibration damper
US3643242A (en) * 1970-07-09 1972-02-15 Xerox Corp Transducer displacement control in movable head-type storage disk systems
US3634836A (en) * 1970-12-17 1972-01-11 Data Products Corp Radial and horizontal magnetic-head-positioning mechanism
US3737883A (en) * 1971-08-18 1973-06-05 Information Storage Systems Linear positioning apparatus for memory disc pack drive mechanisms
FR2174353A5 (fr) * 1972-02-29 1973-10-12 Thomson Csf
US3743794A (en) * 1972-03-02 1973-07-03 Hewlett Packard Co Translational motion apparatus for the magnetic transducers of a disc memory
US3772665A (en) * 1972-03-31 1973-11-13 Iomec System for loading and positioning a transducer in a data storage disc cartridge
US3772666A (en) * 1972-04-03 1973-11-13 Data General Corp Interlaced magnetic heads
US3787644A (en) * 1972-07-12 1974-01-22 Digital Equipment Corp Magnetic head adjustment assembly
US4001889A (en) * 1972-10-05 1977-01-04 Digital Equipment Corporation Moving carriage for disk head positioner
NL7401805A (nl) * 1974-02-09 1975-08-12 Philips Nv Inrichting voor het instellen van het beeld en informatiestruktuur op een omzetter.
NL7402768A (nl) * 1974-02-28 1975-09-01 Philips Nv Inrichting voor het schrijven en/of weergeven van informatie in respektievelijk van een draaiende schijfvormige registratiedrager.
DE2611617C2 (de) * 1976-03-19 1983-10-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Elektrisch gesteuerte Einstellvorrichtung für einen digital und analog ablenkgesteuerten Lichtstrahl
FR2420809A1 (fr) * 1978-03-24 1979-10-19 Cii Honeywell Bull Dispositif de lecture-ecriture d'un support d'information a prise de vol par rampe a faible charge
FR2466081A1 (fr) * 1979-09-21 1981-03-27 Cii Honeywell Bull Dispositif de mesure de vitesse d'un systeme mobile par rapport a un support d'informations
WO1981001070A1 (fr) * 1979-10-05 1981-04-16 Nortronics Co Transducteurs et bras de support pour disquette a double face
US4302789A (en) * 1980-02-08 1981-11-24 Magnetic Peripherals Inc. Disc memory head arm lift mechanism
US4305104A (en) * 1980-02-28 1981-12-08 Ncr Corporation Information storage position control apparatus
US4535374A (en) * 1982-11-04 1985-08-13 Amcodyne Incorporated Whitney-type head loading/unloading apparatus
DE3446446A1 (de) * 1984-12-20 1986-06-26 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth Kopftraeger mit magnetkopf
FR2638011B1 (fr) * 1988-10-18 1991-06-07 Kodak Pathe Suspension pour tetes magnetiques
US5353181A (en) * 1992-11-10 1994-10-04 International Business Machines Corporation Etched suspension system
US6687095B2 (en) 2001-07-05 2004-02-03 Seagate Technology Llc Rotatable actuator arm having an integral strut
CN108966499B (zh) * 2018-08-06 2019-12-03 信丰明新电子科技有限公司 一种电路板固定装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2862781A (en) * 1954-01-27 1958-12-02 Ibm Recording support devices
NL212389A (fr) * 1955-02-02
US3051954A (en) * 1958-05-26 1962-08-28 Ibm Air bearing transducer with gimbal ring mounting
US3034110A (en) * 1958-06-30 1962-05-08 Ibm Support device
US3018152A (en) * 1958-12-30 1962-01-23 Ibm Mounting and operating means for a pneumostatic transducer head
US3298009A (en) * 1963-04-17 1967-01-10 Anelex Corp Head mounting and positioning apparatus for random access disc memory systems
US3310792A (en) * 1963-05-20 1967-03-21 Burroughs Corp Magnetic head mount apparatus
US3349384A (en) * 1964-02-27 1967-10-24 Data Disc Inc Air bearing magnetic transducer assembly

Also Published As

Publication number Publication date
NL6903648A (fr) 1969-09-24
FR1600032A (fr) 1970-07-20
US3544980A (en) 1970-12-01
NL163348C (nl) 1980-08-15
DE1909245A1 (de) 1969-10-02
GB1250416A (fr) 1971-10-20
DE1909245B2 (de) 1977-04-21
DE1909245C3 (de) 1981-11-05
NL163348B (nl) 1980-03-17

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: MEMOREX CORP.

Effective date: 19890321