NL7902680A - MEMORY DEVICE FOR USE IN A DATA PROCESSING SYSTEM. - Google Patents

MEMORY DEVICE FOR USE IN A DATA PROCESSING SYSTEM.

Info

Publication number
NL7902680A
NL7902680A NL7902680A NL7902680A NL7902680A NL 7902680 A NL7902680 A NL 7902680A NL 7902680 A NL7902680 A NL 7902680A NL 7902680 A NL7902680 A NL 7902680A NL 7902680 A NL7902680 A NL 7902680A
Authority
NL
Netherlands
Prior art keywords
data processing
memory device
processing system
memory
data
Prior art date
Application number
NL7902680A
Other languages
Dutch (nl)
Original Assignee
Data General 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 US05/899,044 external-priority patent/US4164769A/en
Priority claimed from US05/899,046 external-priority patent/US4194226A/en
Priority claimed from US05/899,047 external-priority patent/US4163996A/en
Application filed by Data General Corp filed Critical Data General Corp
Publication of NL7902680A publication Critical patent/NL7902680A/en

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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
NL7902680A 1978-04-24 1979-04-05 MEMORY DEVICE FOR USE IN A DATA PROCESSING SYSTEM. NL7902680A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/899,044 US4164769A (en) 1978-04-24 1978-04-24 Cross band coupling for stepper-motor-driven, rigid magnetic disc
US05/899,046 US4194226A (en) 1978-04-24 1978-04-24 Rigid magnetic disc memory apparatus including open loop stepper-motor-driven read/write head
US05/899,047 US4163996A (en) 1978-04-24 1978-04-24 Rigid magnetic disc memory apparatus employing stepper motor drive and pivotable head support with temperature compensation

Publications (1)

Publication Number Publication Date
NL7902680A true NL7902680A (en) 1979-10-26

Family

ID=27420577

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7902680A NL7902680A (en) 1978-04-24 1979-04-05 MEMORY DEVICE FOR USE IN A DATA PROCESSING SYSTEM.

Country Status (2)

Country Link
GB (3) GB2095885B (en)
NL (1) NL7902680A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2534054A1 (en) * 1982-09-30 1984-04-06 Kennedy Cy UNIT OF MAGNETIC DISCS

Also Published As

Publication number Publication date
GB2095885B (en) 1983-03-09
GB2019636B (en) 1982-11-10
GB2095885A (en) 1982-10-06
GB2019636A (en) 1979-10-31
GB2089093B (en) 1983-02-02
GB2089093A (en) 1982-06-16

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed