FR1347249A - Mémoire à disques - Google Patents

Mémoire à disques

Info

Publication number
FR1347249A
FR1347249A FR916317A FR916317A FR1347249A FR 1347249 A FR1347249 A FR 1347249A FR 916317 A FR916317 A FR 916317A FR 916317 A FR916317 A FR 916317A FR 1347249 A FR1347249 A FR 1347249A
Authority
FR
France
Prior art keywords
disk memory
disk
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
FR916317A
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.)
Ex-Cell-O Corp
Original Assignee
Ex-Cell-O 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
Priority claimed from US157667A external-priority patent/US3187317A/en
Application filed by Ex-Cell-O Corp filed Critical Ex-Cell-O Corp
Priority to FR916317A priority Critical patent/FR1347249A/fr
Application granted granted Critical
Publication of FR1347249A publication Critical patent/FR1347249A/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
    • G11B5/4806—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
    • 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
    • G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
    • G11B17/28—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records the magazine having a cylindrical shape with horizontal axis
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/16—Digital recording or reproducing using non self-clocking codes, i.e. the clock signals are either recorded in a separate clocking track or in a combination of several information tracks
    • 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
    • G11B25/04—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 flat record carriers, e.g. disc, card
    • G11B25/043—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 flat record carriers, e.g. disc, card using rotating discs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR916317A 1961-12-07 1962-11-22 Mémoire à disques Expired FR1347249A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR916317A FR1347249A (fr) 1961-12-07 1962-11-22 Mémoire à disques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US157667A US3187317A (en) 1961-12-07 1961-12-07 Disc file
FR916317A FR1347249A (fr) 1961-12-07 1962-11-22 Mémoire à disques

Publications (1)

Publication Number Publication Date
FR1347249A true FR1347249A (fr) 1963-12-27

Family

ID=26198530

Family Applications (1)

Application Number Title Priority Date Filing Date
FR916317A Expired FR1347249A (fr) 1961-12-07 1962-11-22 Mémoire à disques

Country Status (1)

Country Link
FR (1) FR1347249A (fr)

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