IT7819701A0 - Memoria olografica perfezionata. - Google Patents

Memoria olografica perfezionata.

Info

Publication number
IT7819701A0
IT7819701A0 IT7819701A IT1970178A IT7819701A0 IT 7819701 A0 IT7819701 A0 IT 7819701A0 IT 7819701 A IT7819701 A IT 7819701A IT 1970178 A IT1970178 A IT 1970178A IT 7819701 A0 IT7819701 A0 IT 7819701A0
Authority
IT
Italy
Prior art keywords
perfected
holographic memory
holographic
memory
perfected holographic
Prior art date
Application number
IT7819701A
Other languages
English (en)
Other versions
IT1113054B (it
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of IT7819701A0 publication Critical patent/IT7819701A0/it
Application granted granted Critical
Publication of IT1113054B publication Critical patent/IT1113054B/it

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
    • G11C13/041—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 photochromic storage 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
    • G11C13/042—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
    • G11C13/045—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 using photochromic storage 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
    • G11C13/042—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
    • G11C13/046—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 using other storage elements storing information in the form of an interference pattern
IT19701/78A 1977-02-16 1978-01-27 Memoria olografica perfezionata IT1113054B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/769,150 US4103346A (en) 1977-02-16 1977-02-16 Non-destructive readout scheme for holographic storage system

Publications (2)

Publication Number Publication Date
IT7819701A0 true IT7819701A0 (it) 1978-01-27
IT1113054B IT1113054B (it) 1986-01-20

Family

ID=25084613

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19701/78A IT1113054B (it) 1977-02-16 1978-01-27 Memoria olografica perfezionata

Country Status (7)

Country Link
US (1) US4103346A (it)
JP (1) JPS53102054A (it)
CA (1) CA1108898A (it)
DE (1) DE2802594C2 (it)
FR (1) FR2381374A1 (it)
GB (1) GB1591493A (it)
IT (1) IT1113054B (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509485A1 (fr) * 1981-07-07 1983-01-14 Thomson Csf Procede holographique d'enregistrement-lecture et dispositif mettant en oeuvre ce procede
DE3408576C1 (de) * 1984-03-09 1985-10-17 Wolfgang Dr. 8580 Bayreuth Richter Verfahren und Anordnung zum Löschen von in photochromen Speichermedien gespeicherten Informationsbits
CH671473A5 (it) * 1986-11-24 1989-08-31 Ciba Geigy Ag
JPS63259839A (ja) * 1987-04-16 1988-10-26 Mitsubishi Electric Corp 光学的波長多重記憶装置
US5032973A (en) * 1987-06-10 1991-07-16 Mitsubishi Denki Kabushiki Kaisha Optical recording material containing photochromic compounds
US5107483A (en) * 1987-08-19 1992-04-21 Mitsubishi Denki Kabushiki Kaisha Frequency selective optical data record/regenerate apparatus
EP0345494A3 (en) * 1988-06-07 1991-10-30 The Boeing Company Opto-electronic memory device
US5191574A (en) * 1988-08-25 1993-03-02 Sparta Systems, Inc. Optical memory method and apparatus utilizing frequency channeling and Stark effect
US4998236A (en) * 1988-08-25 1991-03-05 Sparta, Inc. Apparatus for high density holographic optical data storage
US5319629A (en) * 1988-08-25 1994-06-07 Sparta, Inc. Content addressable optical data storage system
US5003528A (en) * 1988-09-09 1991-03-26 The United States Of America As Represented By The Secretary Of The Air Force Photorefractive, erasable, compact laser disk
EP0396943B1 (en) * 1989-04-18 1995-07-05 Nippon Telegraph And Telephone Corporation Optical storage medium and storage process
US5239548A (en) * 1991-10-31 1993-08-24 The Boeing Company Optical signal processor for processing continuous signal data
JP2754186B2 (ja) * 1995-10-13 1998-05-20 工業技術院長 単一光吸収体を用いる光記録再生装置および方法
CN104835922B (zh) * 2015-04-27 2017-06-30 南京邮电大学 基于光致变色化合物的双向异性有机二极管电存储器功能化的操作方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568167A (en) * 1965-05-05 1971-03-02 Carson Lab Inc Optical information storage and retrieval systems
US4041476A (en) * 1971-07-23 1977-08-09 Wyn Kelly Swainson Method, medium and apparatus for producing three-dimensional figure product
US3580688A (en) * 1968-02-26 1971-05-25 Irwin Schneider Information storage with optic materials
US3727194A (en) * 1968-02-26 1973-04-10 I Schneider Non-destructive readout of a color center memory by using infrared illumination
US3720921A (en) * 1970-07-14 1973-03-13 Ibm Recording in reversible, photochromic medium
DE2101048C3 (de) * 1971-01-11 1973-11-29 Siemens Ag, 1000 Berlin U. 8000 Muenchen Optisches Ausleseverfahren und Vorrichtung zur Durchfuhrung des Ver fahrens
US3671096A (en) * 1971-02-03 1972-06-20 Us Navy Erasable holographic recording
US3896420A (en) * 1972-01-14 1975-07-22 Canadian Patents Dev Frequency selective optical memory
US3846764A (en) * 1973-05-18 1974-11-05 Us Navy Technique for information storage using anisotropic color centers in alkali halide crystals

Also Published As

Publication number Publication date
FR2381374A1 (fr) 1978-09-15
FR2381374B1 (it) 1982-10-15
JPS6158833B2 (it) 1986-12-13
GB1591493A (en) 1981-06-24
DE2802594C2 (de) 1985-01-17
CA1108898A (en) 1981-09-15
US4103346A (en) 1978-07-25
IT1113054B (it) 1986-01-20
JPS53102054A (en) 1978-09-06
DE2802594A1 (de) 1978-08-17

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