FR2276660A1 - Systeme optique de stockage de donnees binaires effacable selectivement et agencees par pages enregistrees holographiquement - Google Patents
Systeme optique de stockage de donnees binaires effacable selectivement et agencees par pages enregistrees holographiquementInfo
- Publication number
- FR2276660A1 FR2276660A1 FR7422690A FR7422690A FR2276660A1 FR 2276660 A1 FR2276660 A1 FR 2276660A1 FR 7422690 A FR7422690 A FR 7422690A FR 7422690 A FR7422690 A FR 7422690A FR 2276660 A1 FR2276660 A1 FR 2276660A1
- Authority
- FR
- France
- Prior art keywords
- agency
- data storage
- storage system
- binary data
- system selectively
- 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.)
- Granted
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
- 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
- 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
- G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/05—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties
- G02F1/0541—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect with ferro-electric properties using photorefractive effects
-
- 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
- G02F3/00—Optical logic elements; Optical bistable devices
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7422690A FR2276660A1 (fr) | 1974-06-28 | 1974-06-28 | Systeme optique de stockage de donnees binaires effacable selectivement et agencees par pages enregistrees holographiquement |
US05/590,824 US4024513A (en) | 1974-06-28 | 1975-06-26 | Optical system for the storage of selectively erasable binary data arranged in the form of holographically recorded pages |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7422690A FR2276660A1 (fr) | 1974-06-28 | 1974-06-28 | Systeme optique de stockage de donnees binaires effacable selectivement et agencees par pages enregistrees holographiquement |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2276660A1 true FR2276660A1 (fr) | 1976-01-23 |
FR2276660B1 FR2276660B1 (fr) | 1981-01-09 |
Family
ID=9140686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7422690A Granted FR2276660A1 (fr) | 1974-06-28 | 1974-06-28 | Systeme optique de stockage de donnees binaires effacable selectivement et agencees par pages enregistrees holographiquement |
Country Status (2)
Country | Link |
---|---|
US (1) | US4024513A (fr) |
FR (1) | FR2276660A1 (fr) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU172499B (hu) * | 1976-05-31 | 1978-09-28 | Mta Koezponti Fiz Kutato Intez | Sposob i ustrojstvo dlja kontrolja fotomaski, metodom izvlechenija |
US4764889A (en) * | 1984-12-19 | 1988-08-16 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical logic arrangement with self electro-optic effect devices |
US4705344A (en) * | 1984-12-19 | 1987-11-10 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical interconnection arrangement |
US4703993A (en) * | 1984-12-19 | 1987-11-03 | American Telephone And Telegraph Company, At&T Bell Laboratories | Method and apparatus for making a device for optically interconnecting optical devices |
US4764890A (en) * | 1984-12-19 | 1988-08-16 | American Telephone And Telegraph Company, At&T Bell Laboratories | Optical logic arrangement |
DE69424532T2 (de) * | 1993-12-23 | 2001-01-18 | Thomson-Csf, Paris | Verfahren und optisches system zur aufzeichnung/wiedergabe von information auf einem aufzeichnungsmedium |
CN1035494C (zh) * | 1994-04-19 | 1997-07-23 | 南京师范大学 | 用计算全息制作大视角二次彩虹全息的方法 |
FR2727215B1 (fr) * | 1994-11-18 | 1996-12-20 | Thomson Csf | Dispositif de veille panoramique infrarouge statique a detecteurs matriciels multiples |
FR2742911B1 (fr) * | 1995-12-21 | 1998-02-06 | Thomson Csf | Support d'enregistrement/lecture optique d'informations et procede d'enregistrement |
US5815482A (en) * | 1996-01-22 | 1998-09-29 | T Squared G, Inc. | Multibyte random access mass storage/memory system |
FR2750487B1 (fr) * | 1996-06-28 | 2005-10-21 | Thomson Csf | Revetement pour la protection personnelle d'un fantassin |
US5877873A (en) * | 1996-07-24 | 1999-03-02 | Bashaw; Matthew C. | Differential video image compression in holographic media |
FR2755516B1 (fr) | 1996-11-05 | 1999-01-22 | Thomson Csf | Dispositif compact d'illumination |
US6020985A (en) * | 1998-01-30 | 2000-02-01 | Siros Technologies, Inc. | Multilayer reflection microhologram storage in tape media |
US6212148B1 (en) | 1998-01-30 | 2001-04-03 | Siros Technologies, Inc. | Optical data storage by selective localized alteration of a format hologram |
US6147782A (en) | 1998-05-01 | 2000-11-14 | Siros Technologies, Inc. | Positive unit magnification reflective optics for holographic storage |
US6414763B1 (en) | 1998-08-28 | 2002-07-02 | Siros Technology, Inc. | Digital holographic camera system and method having removable media |
US6322933B1 (en) | 1999-01-12 | 2001-11-27 | Siros Technologies, Inc. | Volumetric track definition for data storage media used to record data by selective alteration of a format hologram |
US6512606B1 (en) | 1999-07-29 | 2003-01-28 | Siros Technologies, Inc. | Optical storage media and method for optical data storage via local changes in reflectivity of a format grating |
US6322931B1 (en) | 1999-07-29 | 2001-11-27 | Siros Technologies, Inc. | Method and apparatus for optical data storage using non-linear heating by excited state absorption for the alteration of pre-formatted holographic gratings |
US6310850B1 (en) | 1999-07-29 | 2001-10-30 | Siros Technologies, Inc. | Method and apparatus for optical data storage and/or retrieval by selective alteration of a holographic storage medium |
FR2819061B1 (fr) * | 2000-12-28 | 2003-04-11 | Thomson Csf | Dispositif de controle de polarisation dans une liaison optique |
US7739577B2 (en) * | 2004-06-03 | 2010-06-15 | Inphase Technologies | Data protection system |
JP4997428B2 (ja) * | 2008-01-28 | 2012-08-08 | 学校法人福岡大学 | ホログラム記録・消去装置およびホログラム記録・消去方法 |
US8182966B2 (en) * | 2008-12-23 | 2012-05-22 | General Electric Company | Data storage devices and methods |
WO2010148280A2 (fr) * | 2009-06-18 | 2010-12-23 | Cadet, Gardy | Procédé et système de ré-écriture avec un support de stockage holographique |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3924924A (en) * | 1970-12-09 | 1975-12-09 | Hitachi Ltd | Holographic memory utilizing a changeable phase object and coherent subtraction |
US3915549A (en) * | 1971-11-08 | 1975-10-28 | Rca Corp | Crystals for recording phase holograms |
-
1974
- 1974-06-28 FR FR7422690A patent/FR2276660A1/fr active Granted
-
1975
- 1975-06-26 US US05/590,824 patent/US4024513A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2276660B1 (fr) | 1981-01-09 |
US4024513A (en) | 1977-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
ST | Notification of lapse |