GB8814233D0 - Data carriers - Google Patents

Data carriers

Info

Publication number
GB8814233D0
GB8814233D0 GB888814233A GB8814233A GB8814233D0 GB 8814233 D0 GB8814233 D0 GB 8814233D0 GB 888814233 A GB888814233 A GB 888814233A GB 8814233 A GB8814233 A GB 8814233A GB 8814233 D0 GB8814233 D0 GB 8814233D0
Authority
GB
United Kingdom
Prior art keywords
data carriers
carriers
data
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.)
Pending
Application number
GB888814233A
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.)
Chubb Electronics Ltd
Original Assignee
Chubb Electronics Ltd
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 Chubb Electronics Ltd filed Critical Chubb Electronics Ltd
Priority to GB888814233A priority Critical patent/GB8814233D0/en
Publication of GB8814233D0 publication Critical patent/GB8814233D0/en
Priority to GB8913254A priority patent/GB2221550A/en
Pending legal-status Critical Current

Links

GB888814233A 1988-06-15 1988-06-15 Data carriers Pending GB8814233D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB888814233A GB8814233D0 (en) 1988-06-15 1988-06-15 Data carriers
GB8913254A GB2221550A (en) 1988-06-15 1989-06-08 "Holographic data carriers"

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888814233A GB8814233D0 (en) 1988-06-15 1988-06-15 Data carriers

Publications (1)

Publication Number Publication Date
GB8814233D0 true GB8814233D0 (en) 1988-07-20

Family

ID=10638737

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888814233A Pending GB8814233D0 (en) 1988-06-15 1988-06-15 Data carriers
GB8913254A Withdrawn GB2221550A (en) 1988-06-15 1989-06-08 "Holographic data carriers"

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB8913254A Withdrawn GB2221550A (en) 1988-06-15 1989-06-08 "Holographic data carriers"

Country Status (1)

Country Link
GB (2) GB8814233D0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326843A (en) * 1997-07-03 1999-01-06 Geoffrey Strachan Optical disc security feature
DE19809403B4 (en) * 1997-08-05 2017-07-06 Bundesdruckerei Gmbh Method for producing a hologram with machine-readable information
CZ301895B6 (en) 1999-06-01 2010-07-21 De La Rue International Limited Security device
GB0015871D0 (en) 2000-06-28 2000-08-23 Rue De Int Ltd A security device
GB0030675D0 (en) 2000-12-15 2001-01-31 Rue De Int Ltd Methods of creating high efficiency diffuse back-reflectors based on embossed surface relief
DE102005029853B4 (en) * 2005-06-27 2007-05-31 Prüfbau Dr.-Ing. H. Dürner GmbH Apparatus for producing a reflection hologram
US7884984B2 (en) * 2007-04-05 2011-02-08 E. I. Du Pont De Nemours And Company Multicolor holographic replication by masking

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3758186A (en) * 1966-11-30 1973-09-11 Battelle Development Corp Method of copying holograms
DE2025617A1 (en) * 1970-05-26 1971-12-09 Agfa Gevaert Ag Process for converting absorption holograms into phase holograms
GB1506558A (en) * 1971-02-19 1978-04-05 Siemens Ag Methods of holographic data storage
EP0087281B1 (en) * 1982-02-23 1986-11-05 Fujitsu Limited Method of constructing holograms
US4790612A (en) * 1986-09-15 1988-12-13 International Business Machines Corporation Method and apparatus for copying holographic disks

Also Published As

Publication number Publication date
GB2221550A (en) 1990-02-07
GB8913254D0 (en) 1989-07-26

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