CA980009A - Direct access memory control system - Google Patents

Direct access memory control system

Info

Publication number
CA980009A
CA980009A CA137,064A CA137064A CA980009A CA 980009 A CA980009 A CA 980009A CA 137064 A CA137064 A CA 137064A CA 980009 A CA980009 A CA 980009A
Authority
CA
Canada
Prior art keywords
control system
access memory
memory control
direct access
direct
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
CA137,064A
Other versions
CA137064S (en
Inventor
Thomas N. Hastings
James R. Bell
Anthony L. Wachs
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.)
Digital Equipment Corp
Original Assignee
Digital Equipment 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
Application filed by Digital Equipment Corp filed Critical Digital Equipment Corp
Application granted granted Critical
Publication of CA980009A publication Critical patent/CA980009A/en
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
    • G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
CA137,064A 1971-03-15 1972-03-14 Direct access memory control system Expired CA980009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12466871A 1971-03-15 1971-03-15

Publications (1)

Publication Number Publication Date
CA980009A true CA980009A (en) 1975-12-16

Family

ID=22416174

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137,064A Expired CA980009A (en) 1971-03-15 1972-03-14 Direct access memory control system

Country Status (5)

Country Link
CA (1) CA980009A (en)
DE (1) DE2212585A1 (en)
GB (1) GB1389066A (en)
IE (1) IE36475B1 (en)
IT (1) IT952975B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5428796A (en) * 1992-08-26 1995-06-27 International Business Machines Corporation System and method for regulating access to direct access storage devices in data processing systems

Also Published As

Publication number Publication date
GB1389066A (en) 1975-04-03
DE2212585A1 (en) 1972-12-07
IE36475L (en) 1972-09-15
IT952975B (en) 1973-07-30
IE36475B1 (en) 1976-11-10

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