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FR1236999A - Dispositif rotatif de mémoire magnétique - Google Patents

Dispositif rotatif de mémoire magnétique

Info

Publication number
FR1236999A
FR1236999A FR806730A FR806730A FR1236999A FR 1236999 A FR1236999 A FR 1236999A FR 806730 A FR806730 A FR 806730A FR 806730 A FR806730 A FR 806730A FR 1236999 A FR1236999 A FR 1236999A
Authority
FR
France
Prior art keywords
memory device
magnetic memory
rotary magnetic
rotary
memory
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
FR806730A
Other languages
English (en)
Inventor
Richard G Fisher
Dan H Jones
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Application granted granted Critical
Publication of FR1236999A publication Critical patent/FR1236999A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
    • F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
    • F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moving Of Heads (AREA)
FR806730A 1958-10-06 1959-10-05 Dispositif rotatif de mémoire magnétique Expired FR1236999A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US765440A US3068480A (en) 1958-10-06 1958-10-06 Disc memory assembly

Publications (1)

Publication Number Publication Date
FR1236999A true FR1236999A (fr) 1960-07-22

Family

ID=25073561

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806730A Expired FR1236999A (fr) 1958-10-06 1959-10-05 Dispositif rotatif de mémoire magnétique

Country Status (2)

Country Link
US (1) US3068480A (fr)
FR (1) FR1236999A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3548394A (en) * 1968-02-26 1970-12-15 Scient Data Systems Inc Rotating magnetic disc storage structure
JPS62124920U (fr) * 1986-01-29 1987-08-08
JP2000291655A (ja) * 1999-04-09 2000-10-20 Nsk Ltd 磁気軸受の保護用転がり軸受

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US850036A (en) * 1905-06-06 1907-04-09 George Morin Telegraphone.
US897765A (en) * 1907-11-29 1908-09-01 George Morin Multiple telegraphone system.
US1703380A (en) * 1927-02-07 1929-02-26 Beemer Frank Ball bearing or carrier or conveyer
US1956305A (en) * 1930-12-12 1934-04-24 Gen Motors Corp Bearing mounting
US2114911A (en) * 1935-07-13 1938-04-19 Sellers William & Co Inc Antifriction bearing center for boring mills
US2103912A (en) * 1936-09-22 1937-12-28 New Britain Machine Co Bearing
US2310357A (en) * 1940-01-13 1943-02-09 Western Electric Co Adjustable camlike control apparatus
US2617705A (en) * 1948-03-25 1952-11-11 Engineering Res Associates Inc Data storage apparatus
NL157567B (nl) * 1949-11-28 British American Tobacco Co Uit lagen bestaande buigzame foeliezak, voorzien van een lostrekbare afdichtingsnaad.
US2683254A (en) * 1951-12-20 1954-07-06 Northern Electric Co Variable time delay device
US2737646A (en) * 1952-06-12 1956-03-06 Gulf Research Development Co Transient viewer and recorder
US2662804A (en) * 1953-01-06 1953-12-15 Ulric O Hutton Recording disk clamping device
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
US2908541A (en) * 1955-09-19 1959-10-13 Litton Industries Inc Magnetic recording apparatus

Also Published As

Publication number Publication date
US3068480A (en) 1962-12-11

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