FR1487612A - Tambour cylindrique, notamment tambour magnétique de mémoire - Google Patents

Tambour cylindrique, notamment tambour magnétique de mémoire

Info

Publication number
FR1487612A
FR1487612A FR70530A FR70530A FR1487612A FR 1487612 A FR1487612 A FR 1487612A FR 70530 A FR70530 A FR 70530A FR 70530 A FR70530 A FR 70530A FR 1487612 A FR1487612 A FR 1487612A
Authority
FR
France
Prior art keywords
drum
magnetic memory
including magnetic
cylindrical
cylindrical drum
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
FR70530A
Other languages
English (en)
French (fr)
Inventor
Jan Van Der Hilst
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1487612A publication Critical patent/FR1487612A/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
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • 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
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/02—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using cylindrical record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
FR70530A 1965-07-22 1966-07-22 Tambour cylindrique, notamment tambour magnétique de mémoire Expired FR1487612A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6509476A NL6509476A (OSRAM) 1965-07-22 1965-07-22

Publications (1)

Publication Number Publication Date
FR1487612A true FR1487612A (fr) 1967-07-07

Family

ID=19793707

Family Applications (1)

Application Number Title Priority Date Filing Date
FR70530A Expired FR1487612A (fr) 1965-07-22 1966-07-22 Tambour cylindrique, notamment tambour magnétique de mémoire

Country Status (6)

Country Link
US (1) US3431617A (OSRAM)
CH (1) CH454955A (OSRAM)
DE (1) DE1525196A1 (OSRAM)
FR (1) FR1487612A (OSRAM)
GB (1) GB1087677A (OSRAM)
NL (1) NL6509476A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3810438A1 (de) * 1988-03-26 1989-10-12 Wilhelm Koenig Zylinderspeicher fuer magnetisch-optische oder optische datenspeicherung und -wiedergabe

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097590A (en) * 1961-04-12 1963-07-16 Beloit Iron Works Anti-deflection roll
US3138848A (en) * 1961-04-21 1964-06-30 Ex Cell O Corp Hollow drum apparatus
US3138089A (en) * 1963-01-09 1964-06-23 Beloit Corp Anti-deflection roll

Also Published As

Publication number Publication date
DE1525196A1 (de) 1969-11-27
GB1087677A (en) 1967-10-18
US3431617A (en) 1969-03-11
CH454955A (de) 1968-04-30
NL6509476A (OSRAM) 1967-01-23

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