GB1189928A - Process of Copying Holograms - Google Patents

Process of Copying Holograms

Info

Publication number
GB1189928A
GB1189928A GB4479268A GB4479268A GB1189928A GB 1189928 A GB1189928 A GB 1189928A GB 4479268 A GB4479268 A GB 4479268A GB 4479268 A GB4479268 A GB 4479268A GB 1189928 A GB1189928 A GB 1189928A
Authority
GB
United Kingdom
Prior art keywords
hologram
sept
copied
lines
white light
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.)
Expired
Application number
GB4479268A
Other languages
English (en)
Inventor
Heinrich Nassenstein
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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
Priority claimed from DE19671572555 external-priority patent/DE1572555A1/de
Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of GB1189928A publication Critical patent/GB1189928A/en
Expired 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
    • G03H1/20—Copying holograms by holographic, i.e. optical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
GB4479268A 1967-09-27 1968-09-20 Process of Copying Holograms Expired GB1189928A (en)

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
GB1189928A true GB1189928A (en) 1970-04-29

Family

ID=5678476

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4479268A Expired GB1189928A (en) 1967-09-27 1968-09-20 Process of Copying Holograms

Country Status (5)

Country Link
JP (1) JPS4813462B1 (enExample)
BE (1) BE721467A (enExample)
CH (1) CH482212A (enExample)
FR (1) FR1585193A (enExample)
GB (1) GB1189928A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4440839A (en) * 1981-03-18 1984-04-03 United Technologies Corporation Method of forming laser diffraction grating for beam sampling device
EP2390106A3 (en) * 2000-06-28 2011-12-21 De La Rue International Limited Optically variable security device with a relief structure and a thin film reflection filter

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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
DE19809502B4 (de) * 1997-08-04 2007-06-14 Bundesdruckerei Gmbh Vorrichtung zur Herstellung einer Kontaktkopie eines Hologramms

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4440839A (en) * 1981-03-18 1984-04-03 United Technologies Corporation Method of forming laser diffraction grating for beam sampling device
EP2390106A3 (en) * 2000-06-28 2011-12-21 De La Rue International Limited Optically variable security device with a relief structure and a thin film reflection filter

Also Published As

Publication number Publication date
BE721467A (enExample) 1969-03-27
JPS4813462B1 (enExample) 1973-04-27
FR1585193A (enExample) 1970-01-09
CH482212A (de) 1969-11-30

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees