FR1211792A - Dispositif pneumatique pour la mise en position d'un élément d'enregistrement - Google Patents

Dispositif pneumatique pour la mise en position d'un élément d'enregistrement

Info

Publication number
FR1211792A
FR1211792A FR1211792DA FR1211792A FR 1211792 A FR1211792 A FR 1211792A FR 1211792D A FR1211792D A FR 1211792DA FR 1211792 A FR1211792 A FR 1211792A
Authority
FR
France
Prior art keywords
positioning
recording element
pneumatic device
pneumatic
recording
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
Other languages
English (en)
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.)
Sperry Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Application granted granted Critical
Publication of FR1211792A publication Critical patent/FR1211792A/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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • 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
    • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Magnetic Record Carriers (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
FR1211792D 1957-10-18 1958-10-09 Dispositif pneumatique pour la mise en position d'un élément d'enregistrement Expired FR1211792A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US690958A US3108259A (en) 1957-10-18 1957-10-18 Pneumatically positioned record member

Publications (1)

Publication Number Publication Date
FR1211792A true FR1211792A (fr) 1960-03-18

Family

ID=24774631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1211792D Expired FR1211792A (fr) 1957-10-18 1958-10-09 Dispositif pneumatique pour la mise en position d'un élément d'enregistrement

Country Status (4)

Country Link
US (1) US3108259A (fr)
DE (1) DE1137880B (fr)
FR (1) FR1211792A (fr)
GB (1) GB850766A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081682A (en) * 1961-06-28 1963-03-19 Ibm Method and apparatus for obtaining and maintaining spacing of a transducer
US3166997A (en) * 1961-06-28 1965-01-26 Ibm Hydrostatic film disc stabilizer and spacer

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3122727A (en) * 1959-08-03 1964-02-25 North American Aviation Inc Magnetic disc data storage device
US3155977A (en) * 1959-08-31 1964-11-03 Ibm Resilient recording disk
US3110889A (en) * 1960-05-02 1963-11-12 Lab For Electronics Inc Magnetic disc storage device
US3179945A (en) * 1961-03-21 1965-04-20 Lab For Electronics Inc Magnetic disc storage device
US3208056A (en) * 1961-03-21 1965-09-21 Lab For Electronics Inc Data processing
FR1308059A (fr) * 1961-09-22 1962-11-03 Electronique & Automatisme Sa Mémoire magnétique perfectionnée
US3303485A (en) * 1963-03-18 1967-02-07 Ampex Magnetic disc with air bearing which spirals radially outward
US3250067A (en) * 1964-11-23 1966-05-10 Sheffield Corp Fluid apparatus
US3537083A (en) * 1968-11-27 1970-10-27 Univ Illinois Flexible surface disc for magnetic recorders with central pneumatic orifice
US3731292A (en) * 1971-09-27 1973-05-01 Arvin Ind Inc Finger between flexible disc and backing plate
JPS5126664Y2 (fr) * 1972-08-28 1976-07-07
US3846835A (en) * 1973-05-29 1974-11-05 Sperry Rand Corp Clean air system for magnetic storage disk pack
US3846837A (en) * 1973-06-20 1974-11-05 Intelligent Memory Syst Inc Stacked flexible disc unit with head plugs
JPS571308Y2 (fr) * 1977-07-18 1982-01-09
JP2005134208A (ja) * 2003-10-29 2005-05-26 Fanuc Ltd 光学式ロータリエンコーダ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2696410A (en) * 1949-06-08 1954-12-07 Gulf Research Development Co Journal bearing
US2612566A (en) * 1951-06-05 1952-09-30 Bell Telephone Labor Inc Magnetic recording and reproducing system
US2899260A (en) * 1954-03-01 1959-08-11 Ttnttpn
US2950353A (en) * 1955-07-05 1960-08-23 Litton Industries Inc Pliant disk magnetic recording apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081682A (en) * 1961-06-28 1963-03-19 Ibm Method and apparatus for obtaining and maintaining spacing of a transducer
US3166997A (en) * 1961-06-28 1965-01-26 Ibm Hydrostatic film disc stabilizer and spacer

Also Published As

Publication number Publication date
US3108259A (en) 1963-10-22
GB850766A (en) 1960-10-05
DE1137880B (de) 1962-10-11

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