FR2321171B1 - - Google Patents

Info

Publication number
FR2321171B1
FR2321171B1 FR7624479A FR7624479A FR2321171B1 FR 2321171 B1 FR2321171 B1 FR 2321171B1 FR 7624479 A FR7624479 A FR 7624479A FR 7624479 A FR7624479 A FR 7624479A FR 2321171 B1 FR2321171 B1 FR 2321171B1
Authority
FR
France
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
FR7624479A
Other languages
French (fr)
Other versions
FR2321171A1 (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.)
Sperry Corp
Original Assignee
Sperry 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 US05/603,891 external-priority patent/US4040039A/en
Application filed by Sperry Corp filed Critical Sperry Corp
Publication of FR2321171A1 publication Critical patent/FR2321171A1/en
Application granted granted Critical
Publication of FR2321171B1 publication Critical patent/FR2321171B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/042—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/06—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using magneto-optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
FR7624479A 1975-08-11 1976-08-11 SINGLE WALL DOMAIN LATRIX FOR OPTICAL INFORMATION PROCESSING SYSTEM Granted FR2321171A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60384075A 1975-08-11 1975-08-11
US05/603,891 US4040039A (en) 1975-08-11 1975-08-11 Single wall domain latrix for optical data processing system

Publications (2)

Publication Number Publication Date
FR2321171A1 FR2321171A1 (en) 1977-03-11
FR2321171B1 true FR2321171B1 (en) 1982-07-09

Family

ID=27084535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624479A Granted FR2321171A1 (en) 1975-08-11 1976-08-11 SINGLE WALL DOMAIN LATRIX FOR OPTICAL INFORMATION PROCESSING SYSTEM

Country Status (5)

Country Link
JP (1) JPS5222440A (en)
DE (1) DE2635753C2 (en)
FR (1) FR2321171A1 (en)
GB (1) GB1559112A (en)
IT (1) IT1123608B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4012724A (en) * 1975-11-28 1977-03-15 Sperry Rand Corporation Method of improving the operation of a single wall domain memory system
US4011550A (en) * 1975-11-28 1977-03-08 Sperry Rand Corporation Method of improving the operation of a single wall domain memory system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3513452A (en) * 1967-10-12 1970-05-19 Bell Telephone Labor Inc Single domain wall propagation in magnetic sheets
US3651498A (en) * 1970-03-02 1972-03-21 Ibm Holographic storage and retrieval system
BE791239A (en) * 1971-11-12 1973-05-10 Philips Nv MAGNETIC MEMORY
US3831156A (en) * 1971-12-06 1974-08-20 Hughes Aircraft Co Biasing apparatus for magnetic domain stores

Also Published As

Publication number Publication date
JPS5222440A (en) 1977-02-19
FR2321171A1 (en) 1977-03-11
GB1559112A (en) 1980-01-16
DE2635753C2 (en) 1982-10-21
IT1123608B (en) 1986-04-30
DE2635753A1 (en) 1977-02-17

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Legal Events

Date Code Title Description
ST Notification of lapse