FR96479E - Dispositif de mémoire a tetes rotatives. - Google Patents

Dispositif de mémoire a tetes rotatives.

Info

Publication number
FR96479E
FR96479E FR96479DA FR96479E FR 96479 E FR96479 E FR 96479E FR 96479D A FR96479D A FR 96479DA FR 96479 E FR96479 E FR 96479E
Authority
FR
France
Prior art keywords
memory device
rotating heads
heads
rotating
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
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.)
Unisys 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.)
Publication date
Application granted granted Critical
Publication of FR96479E publication Critical patent/FR96479E/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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/62—Maintaining desired spacing between record carrier and head
    • G11B15/64—Maintaining desired spacing between record carrier and head 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
    • G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
FR96479D 1968-01-03 Dispositif de mémoire a tetes rotatives. Expired FR96479E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69550068A 1968-01-03 1968-01-03
US69550168A 1968-01-03 1968-01-03

Publications (1)

Publication Number Publication Date
FR96479E true FR96479E (fr) 1972-06-30

Family

ID=27105583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR96479D Expired FR96479E (fr) 1968-01-03 Dispositif de mémoire a tetes rotatives.

Country Status (3)

Country Link
DE (1) DE1817172A1 (fr)
FR (1) FR96479E (fr)
GB (1) GB1205348A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5951066B2 (ja) * 1978-04-17 1984-12-12 ソニー株式会社 記録再生装置

Also Published As

Publication number Publication date
DE1817172A1 (de) 1969-08-14
GB1205348A (en) 1970-09-16

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