BE740867A - - Google Patents

Info

Publication number
BE740867A
BE740867A BE740867DA BE740867A BE 740867 A BE740867 A BE 740867A BE 740867D A BE740867D A BE 740867DA BE 740867 A BE740867 A BE 740867A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE740867A publication Critical patent/BE740867A/xx

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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/38—Wires; Tubes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
    • G03H2001/2675—Phase code multiplexing, wherein the sub-holograms are multiplexed according to spatial modulation of the reference beam
BE740867D 1969-01-23 1969-10-27 BE740867A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3812/69A GB1216631A (en) 1969-01-23 1969-01-23 Improvements in or relating to holographic storage of information
US79680869A 1969-02-05 1969-02-05

Publications (1)

Publication Number Publication Date
BE740867A true BE740867A (fr) 1970-04-01

Family

ID=26238612

Family Applications (2)

Application Number Title Priority Date Filing Date
BE740867D BE740867A (fr) 1969-01-23 1969-10-27
BE744831D BE744831A (fr) 1969-01-23 1970-01-23 Perfectionnements aux appareils d'affichage holographique (

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE744831D BE744831A (fr) 1969-01-23 1970-01-23 Perfectionnements aux appareils d'affichage holographique (

Country Status (7)

Country Link
US (1) US3612641A (fr)
BE (2) BE740867A (fr)
CH (1) CH498666A (fr)
DE (2) DE1938701A1 (fr)
FR (2) FR2030299A1 (fr)
GB (2) GB1216631A (fr)
NL (1) NL6913304A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2125110C3 (de) * 1971-05-21 1979-11-22 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Hologrammen
JPS5121353B1 (fr) * 1971-06-30 1976-07-01
US4014603A (en) * 1973-11-05 1977-03-29 Hoechst Aktiengesellschaft Method of holographic recording
US4062618A (en) * 1976-05-28 1977-12-13 International Telephone And Telegraph Corporation Secure optical multiplex communication system
GB8908871D0 (en) * 1989-04-19 1989-06-07 Hugle William B Manufacture of flat panel displays
US5216529A (en) * 1992-01-15 1993-06-01 Bell Communications Research, Inc. Holographic code division multiple access
JPH0720765A (ja) * 1993-06-28 1995-01-24 Internatl Business Mach Corp <Ibm> ２値位相変調器を有する位相符号化立体ホログラム・システム
US5377176A (en) * 1993-07-14 1994-12-27 Tamarack Storage Devices Method and apparatus for isolating data storage regions in a thick holographic storage media
US5510912A (en) * 1993-08-09 1996-04-23 International Business Machines Corporation Method and apparatus for modulation of multi-dimensional data in holographic storage
US5566387A (en) * 1993-12-23 1996-10-15 Tamarack Storage Devices Diamond shaped holographic storage regions oriented along a common radial column line for higher storage density
US5481523A (en) * 1993-12-23 1996-01-02 Tamarack Storage Devices Gantry for positioning a read/write head of a holographic information storage system
US5694488A (en) * 1993-12-23 1997-12-02 Tamarack Storage Devices Method and apparatus for processing of reconstructed holographic images of digital data patterns
US5668647A (en) * 1994-01-04 1997-09-16 Lucent Technologies Inc. Method and apparatus and for processing ultrafast optical signals
US5528389A (en) * 1994-01-04 1996-06-18 At&T Corp. Optical holographic system for parallel to serial and serial to parallel conversion of optical data
US5883880A (en) * 1994-06-15 1999-03-16 Tamarack Storage Devices Disk positioning device for defining precise radial location
US5627664A (en) * 1994-06-29 1997-05-06 Tamarack Storage Devices, Inc. Holographic storage with combined orthogonal phase codes and random phase codes
US5719691A (en) * 1995-05-05 1998-02-17 Lucent Technologies Inc. Phase correlation multiplex holography
US6023355A (en) * 1996-04-30 2000-02-08 The Board Of Trustees Of The Leland Stanford Junior University Coded-wavelength multiplex volume holography
US5940514A (en) * 1996-04-30 1999-08-17 The Board Of Trustees Of The Leland Stanford Junior University Encrypted holographic data storage based on orthogonal phase code multiplexing
US5877873A (en) * 1996-07-24 1999-03-02 Bashaw; Matthew C. Differential video image compression in holographic media
US6322932B1 (en) * 1996-08-15 2001-11-27 Lucent Technologies Inc. Holographic process and media therefor
US6803153B1 (en) * 1997-04-11 2004-10-12 Fuji Xerox Co., Ltd. Optical storage medium, optical storage method; optical storage apparatus, optical reading method, optical reading apparatus, optical retrieving method and optical retrieving apparatus
US8199387B1 (en) 2009-09-14 2012-06-12 Physical Optics Corporation Phase addressed holographic associative memory

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484147A (en) * 1966-08-11 1969-12-16 Bell Telephone Labor Inc Hologram storage apparatus and method using a diffusing medium
US3517200A (en) * 1967-02-03 1970-06-23 Carson Lab Inc Image conversion system

Also Published As

Publication number Publication date
DE1938701A1 (de) 1970-08-06
NL6913304A (fr) 1970-08-07
DE2001723A1 (de) 1970-07-30
FR2030299A1 (fr) 1970-11-13
FR2030229A1 (fr) 1970-11-13
GB1216631A (en) 1970-12-23
CH498666A (de) 1970-11-15
US3612641A (en) 1971-10-12
BE744831A (fr) 1970-07-23
GB1304616A (fr) 1973-01-24

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