GB8624927D0 - Secure storage system - Google Patents

Secure storage system

Info

Publication number
GB8624927D0
GB8624927D0 GB868624927A GB8624927A GB8624927D0 GB 8624927 D0 GB8624927 D0 GB 8624927D0 GB 868624927 A GB868624927 A GB 868624927A GB 8624927 A GB8624927 A GB 8624927A GB 8624927 D0 GB8624927 D0 GB 8624927D0
Authority
GB
United Kingdom
Prior art keywords
storage system
secure storage
secure
storage
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
Application number
GB868624927A
Other versions
GB2196443B (en
GB2196443A (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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB8624927A priority Critical patent/GB2196443B/en
Publication of GB8624927D0 publication Critical patent/GB8624927D0/en
Publication of GB2196443A publication Critical patent/GB2196443A/en
Application granted granted Critical
Publication of GB2196443B publication Critical patent/GB2196443B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G03H1/041—Optical element in the object space affecting the object beam, not otherwise provided for
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
    • G09C5/00—Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
GB8624927A 1986-10-17 1986-10-17 Secure holographic data storage using an optical phase encryption device Expired - Fee Related GB2196443B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8624927A GB2196443B (en) 1986-10-17 1986-10-17 Secure holographic data storage using an optical phase encryption device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8624927A GB2196443B (en) 1986-10-17 1986-10-17 Secure holographic data storage using an optical phase encryption device

Publications (3)

Publication Number Publication Date
GB8624927D0 true GB8624927D0 (en) 1987-02-04
GB2196443A GB2196443A (en) 1988-04-27
GB2196443B GB2196443B (en) 1990-04-04

Family

ID=10605913

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8624927A Expired - Fee Related GB2196443B (en) 1986-10-17 1986-10-17 Secure holographic data storage using an optical phase encryption device

Country Status (1)

Country Link
GB (1) GB2196443B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245983A (en) * 1990-07-13 1992-01-15 Marconi Gec Ltd Holographic data storage systems
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
FR2796184B1 (en) * 1999-07-09 2001-11-02 Thomson Csf SECURE DOCUMENT, MANUFACTURING SYSTEM, AND SYSTEM FOR READING THE DOCUMENT
DE10040785A1 (en) † 2000-08-21 2002-03-21 Hsm Gmbh Security system, in particular for documents of value
DE102006055480A1 (en) * 2006-11-24 2008-05-29 Bayer Innovation Gmbh Coding method, decoding method, codec and data carrier for holographic storage
CN111897196B (en) * 2020-08-13 2021-08-10 中国科学院大学 Method and system for hiding and extracting digital holographic information

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO141729C (en) * 1978-03-09 1980-04-30 Sentralinst For Ind Forskning PROCEDURE FOR HOLOGRAPHIC TREATMENT OF BODIES
DE3327463A1 (en) * 1983-07-29 1985-02-14 Rubenberger, Karl, 8058 Erding METHOD FOR RECORDING AND PLAYING BACK HOLOGRAMS

Also Published As

Publication number Publication date
GB2196443B (en) 1990-04-04
GB2196443A (en) 1988-04-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921017