CA1222817A - Method of operating a magnetic bubble memory with a drive field that temporarily stops - Google Patents

Method of operating a magnetic bubble memory with a drive field that temporarily stops

Info

Publication number
CA1222817A
CA1222817A CA000457717A CA457717A CA1222817A CA 1222817 A CA1222817 A CA 1222817A CA 000457717 A CA000457717 A CA 000457717A CA 457717 A CA457717 A CA 457717A CA 1222817 A CA1222817 A CA 1222817A
Authority
CA
Canada
Prior art keywords
field
magnetic
bubbles
dwell period
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
CA000457717A
Other languages
English (en)
French (fr)
Inventor
Sidney J. Schwartz, (Deceased)
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
Burroughs 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 Burroughs Corp filed Critical Burroughs Corp
Application granted granted Critical
Publication of CA1222817A publication Critical patent/CA1222817A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/02—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements
    • G11C19/08—Digital stores in which the information is moved stepwise, e.g. shift registers using magnetic elements using thin films in plane structure
    • G11C19/085—Generating magnetic fields therefor, e.g. uniform magnetic field for magnetic domain stabilisation

Landscapes

  • Measuring Magnetic Variables (AREA)
  • Hall/Mr Elements (AREA)
CA000457717A 1983-06-29 1984-06-28 Method of operating a magnetic bubble memory with a drive field that temporarily stops Expired CA1222817A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US508,947 1983-06-29
US06/508,947 US4513396A (en) 1983-06-29 1983-06-29 Method of operating a magnetic bubble memory with a drive field that temporarily stops

Publications (1)

Publication Number Publication Date
CA1222817A true CA1222817A (en) 1987-06-09

Family

ID=24024712

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000457717A Expired CA1222817A (en) 1983-06-29 1984-06-28 Method of operating a magnetic bubble memory with a drive field that temporarily stops

Country Status (5)

Country Link
US (1) US4513396A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0130780A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60501727A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1222817A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1985000243A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5034381B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-06-30 1975-11-07
JPS5092647A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-12-14 1975-07-24
JPS5524195B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-12-21 1980-06-27
US4094003A (en) * 1976-03-29 1978-06-06 Canadian Patents And Development Limited Sonic magnetic domain sensor
JPS5313842A (en) * 1976-07-23 1978-02-07 Hitachi Ltd Magnetic bubble unit of start stop type
JPS5362432A (en) * 1976-11-17 1978-06-03 Hitachi Ltd Rotary magnetic field driving circuit for start stop type magnetic unit
US4174540A (en) * 1977-06-30 1979-11-13 International Business Machines Corporation Bubble domain transfer switches
JPS5827907B2 (ja) * 1978-04-12 1983-06-13 株式会社日立製作所 磁気バブル装置用駆動回路
US4180864A (en) * 1978-09-05 1979-12-25 Burroughs Corporation Bubble memory coil drive circuit
US4283775A (en) * 1979-07-18 1981-08-11 International Business Machines Corporation Contiguous disk bubble storage
FR2480983A1 (fr) * 1980-04-18 1981-10-23 Commissariat Energie Atomique Memoire a bulles magnetiques

Also Published As

Publication number Publication date
WO1985000243A1 (en) 1985-01-17
US4513396A (en) 1985-04-23
JPS60501727A (ja) 1985-10-11
EP0130780A3 (en) 1988-01-27
JPS6349318B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-10-04
EP0130780A2 (en) 1985-01-09

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Legal Events

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