GB8814233D0 - Data carriers - Google Patents
Data carriersInfo
- 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
Links
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GB8913254A Withdrawn GB2221550A (en) | 1988-06-15 | 1989-06-08 | "Holographic data carriers" |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GB8913254A Withdrawn GB2221550A (en) | 1988-06-15 | 1989-06-08 | "Holographic data carriers" |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)
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)
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 |
-
1988
- 1988-06-15 GB GB888814233A patent/GB8814233D0/en active Pending
-
1989
- 1989-06-08 GB GB8913254A patent/GB2221550A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2221550A (en) | 1990-02-07 |
GB8913254D0 (en) | 1989-07-26 |
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