BE721467A - - Google Patents
Info
- Publication number
- BE721467A BE721467A BE721467DA BE721467A BE 721467 A BE721467 A BE 721467A BE 721467D A BE721467D A BE 721467DA BE 721467 A BE721467 A BE 721467A
- Authority
- BE
- Belgium
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
- G03H1/20—Copying holograms by holographic, i.e. optical means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19671572555 DE1572555A1 (de) | 1967-09-27 | 1967-09-27 | Verfahren zum Vervielfaeltigen von Hologrammen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE721467A true BE721467A (xx) | 1969-03-27 |
Family
ID=5678476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE721467D BE721467A (xx) | 1967-09-27 | 1968-09-27 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4813462B1 (xx) |
| BE (1) | BE721467A (xx) |
| CH (1) | CH482212A (xx) |
| FR (1) | FR1585193A (xx) |
| GB (1) | GB1189928A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2368780A1 (fr) * | 1976-10-22 | 1978-05-19 | Thomson Brandt | Procede de reproduction d'information enregistree sous forme d'elements diffractants, support memoire ainsi obtenu et lecteur optique d'un tel support |
| US4440839A (en) * | 1981-03-18 | 1984-04-03 | United Technologies Corporation | Method of forming laser diffraction grating for beam sampling device |
| DE19809502B4 (de) * | 1997-08-04 | 2007-06-14 | Bundesdruckerei Gmbh | Vorrichtung zur Herstellung einer Kontaktkopie eines Hologramms |
| GB0015873D0 (en) * | 2000-06-28 | 2000-08-23 | Rue De Int Ltd | Optically variable security device |
-
1968
- 1968-09-20 GB GB4479268A patent/GB1189928A/en not_active Expired
- 1968-09-24 CH CH1426268A patent/CH482212A/de not_active IP Right Cessation
- 1968-09-27 BE BE721467D patent/BE721467A/xx unknown
- 1968-09-27 FR FR1585193D patent/FR1585193A/fr not_active Expired
- 1968-09-27 JP JP43069826A patent/JPS4813462B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH482212A (de) | 1969-11-30 |
| JPS4813462B1 (xx) | 1973-04-27 |
| GB1189928A (en) | 1970-04-29 |
| FR1585193A (xx) | 1970-01-09 |