DE2719888A1 - Holographischer gegenstand und verfahren zur herstellung desselben - Google Patents
Holographischer gegenstand und verfahren zur herstellung desselbenInfo
- Publication number
- DE2719888A1 DE2719888A1 DE19772719888 DE2719888A DE2719888A1 DE 2719888 A1 DE2719888 A1 DE 2719888A1 DE 19772719888 DE19772719888 DE 19772719888 DE 2719888 A DE2719888 A DE 2719888A DE 2719888 A1 DE2719888 A1 DE 2719888A1
- Authority
- DE
- Germany
- Prior art keywords
- image
- pattern
- rays
- incidence
- hologram
- 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.)
- Ceased
Links
- 238000004519 manufacturing process Methods 0.000 title description 3
- 230000001427 coherent effect Effects 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 25
- 230000003287 optical effect Effects 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 230000005855 radiation Effects 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 230000004075 alteration Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 claims 1
- 238000001429 visible spectrum Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/41—Marking using electromagnetic radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/328—Diffraction gratings; Holograms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/425—Marking by deformation, e.g. embossing
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1842—Gratings for image generation
-
- 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
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/24—Processes or apparatus for obtaining an optical image from holograms using white light, e.g. rainbow holograms
-
- 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
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
- G03H1/28—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique superimposed holograms only
-
- B42D2033/14—
-
- B42D2033/24—
-
- B42D2035/02—
-
- B42D2035/08—
-
- B42D2035/50—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/324—Reliefs
-
- 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
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/0236—Form or shape of the hologram when not registered to the substrate, e.g. trimming the hologram to alphanumerical shape
-
- 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
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H1/024—Hologram nature or properties
- G03H1/0244—Surface relief holograms
-
- 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
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
- G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
- G03H2001/266—Wavelength multiplexing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2210/00—Object characteristics
- G03H2210/20—2D object
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2223/00—Optical components
- G03H2223/12—Amplitude mask, e.g. diaphragm, Louver filter
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Optics & Photonics (AREA)
- Holo Graphy (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/682,090 US4094575A (en) | 1976-04-30 | 1976-04-30 | Holographic article and process for making same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2719888A1 true DE2719888A1 (de) | 1977-11-17 |
Family
ID=24738148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772719888 Ceased DE2719888A1 (de) | 1976-04-30 | 1977-04-29 | Holographischer gegenstand und verfahren zur herstellung desselben |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4094575A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS52152736A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2719888A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2349866A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1582273A (cg-RX-API-DMAC7.html) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4208637A (en) * | 1977-03-09 | 1980-06-17 | Agency Of Industrial Science & Technology, Ministry Of International Trade & Industry | Tunable optical device |
| US4153457A (en) * | 1978-01-16 | 1979-05-08 | Minnesota Mining And Manufacturing Company | High resolution halftone microimages and method therefor |
| US4372649A (en) * | 1978-05-22 | 1983-02-08 | Minnesota Mining And Manufacturing Company | Extended area diffractive subtractive color filters |
| US4244633A (en) * | 1978-05-22 | 1981-01-13 | Minnesota Mining And Manufacturing Company | Multicolor hologram and method for forming same |
| US4289371A (en) * | 1979-05-31 | 1981-09-15 | Xerox Corporation | Optical scanner using plane linear diffraction gratings on a rotating spinner |
| US4428643A (en) | 1981-04-08 | 1984-01-31 | Xerox Corporation | Optical scanning system with wavelength shift correction |
| US4469407A (en) * | 1982-02-08 | 1984-09-04 | Polaroid Corporation | Laser apodizing filter |
| CA1211868A (en) * | 1982-04-16 | 1986-09-23 | Yoshikazu Nishiwaki | Method of forming diffraction gratings and optical branching filter elements produced thereby |
| US4576439A (en) * | 1982-09-15 | 1986-03-18 | Rca Corporation | Reflective diffractive authenticating device |
| CH659433A5 (de) * | 1982-10-04 | 1987-01-30 | Landis & Gyr Ag | Dokument mit einem beugungsoptischen sicherheitselement. |
| US4604329A (en) * | 1983-08-16 | 1986-08-05 | Reber William L | High technology decorative materials and fabrication of same |
| US4725511A (en) * | 1983-08-16 | 1988-02-16 | Reber William L | High technology decorative materials for watchfaces and fabrication of same |
| US4490440A (en) * | 1983-08-16 | 1984-12-25 | Reber William L | High technology jewelry and fabrication of same |
| CH661368A5 (de) * | 1984-01-03 | 1987-07-15 | Landis & Gyr Ag | Beugungsoptisches sicherheitselement. |
| GB8616381D0 (en) * | 1986-07-04 | 1986-08-13 | Ridout G T | Decorative surface |
| CH671371A5 (cg-RX-API-DMAC7.html) * | 1986-11-13 | 1989-08-31 | Landis & Gyr Ag | |
| US4735474A (en) * | 1987-03-04 | 1988-04-05 | Trilone Holographie Corp. | Photograph booth with automatic holographic camera |
| EP0375833B1 (de) * | 1988-12-12 | 1993-02-10 | Landis & Gyr Technology Innovation AG | Optisch variables Flächenmuster |
| US5128780A (en) * | 1989-08-30 | 1992-07-07 | Hughes Aircraft Company | Enhanced-resolution, multiply-exposed reflection hologram |
| UA26127A (uk) | 1990-05-28 | 1999-06-07 | Електроватт Технолоджі Інновейшн Аг | Орhамеhт, що оптичhо зміhюється |
| DE4030493A1 (de) * | 1990-09-26 | 1992-04-02 | Gao Ges Automation Org | Mehrschichtiger datentraeger und verfahren zu seiner herstellung |
| US5691989A (en) * | 1991-07-26 | 1997-11-25 | Accuwave Corporation | Wavelength stabilized laser sources using feedback from volume holograms |
| US5335098A (en) * | 1991-07-26 | 1994-08-02 | Accuwave Corporation | Fixing method for narrow bandwidth volume holograms in photorefractive materials |
| US5491570A (en) * | 1991-07-26 | 1996-02-13 | Accuwave Corporation | Methods and devices for using photorefractive materials at infrared wavelengths |
| EP0598761A1 (en) * | 1991-07-26 | 1994-06-01 | Accuwave Corporation | Photorefractive systems and methods |
| US5440669A (en) * | 1991-07-26 | 1995-08-08 | Accuwave Corporation | Photorefractive systems and methods |
| US5796096A (en) * | 1991-07-26 | 1998-08-18 | Accuwave Corporation | Fabrication and applications of long-lifetime, holographic gratings in photorefractive materials |
| US5458713A (en) * | 1991-09-25 | 1995-10-17 | Gao Gesellschaft Fuer Automation Und Organisation Mbh | Multilayer data carrier and a method for producing it |
| US6709790B1 (en) * | 1992-08-26 | 2004-03-23 | Goodrich Corporation | Method and apparatus for generating periodic structures in substrates by synthetic wavelength holograph exposure |
| DE4234191C2 (de) * | 1992-10-10 | 1995-09-28 | Hoerdum Martin | Anzeigevorrichtung für Informationsdarstellung mittels Hologramm |
| US7132200B1 (en) * | 1992-11-27 | 2006-11-07 | Dai Nippon Printing Co., Ltd. | Hologram recording sheet, holographic optical element using said sheet, and its production process |
| US5969863A (en) * | 1996-01-26 | 1999-10-19 | Electrowatt Technology Innovation Corp. | Surface pattern including light-diffracting relief structures |
| US7242464B2 (en) * | 1999-06-24 | 2007-07-10 | Asml Holdings N.V. | Method for characterizing optical systems using holographic reticles |
| US7167615B1 (en) | 1999-11-05 | 2007-01-23 | Board Of Regents, The University Of Texas System | Resonant waveguide-grating filters and sensors and methods for making and using same |
| FR2801246B1 (fr) * | 1999-11-19 | 2002-01-25 | Hologram Ind | Securisation de documents ou de produits par apposition d'un composant optiquement actif pour la verification de l'authenticite |
| US20020037477A1 (en) * | 2000-09-05 | 2002-03-28 | Flynn Charles J. | System and method of creating prism line patterns for a laser foil die |
| DE10064616C2 (de) * | 2000-12-22 | 2003-02-06 | Ovd Kinegram Ag Zug | Dekorfolie und Verfahren zum Beschriften der Dekorfolie |
| DE10127980C1 (de) * | 2001-06-08 | 2003-01-16 | Ovd Kinegram Ag Zug | Diffraktives Sicherheitselement |
| DE10129939B4 (de) * | 2001-06-20 | 2006-06-22 | Ovd Kinegram Ag | Optisch variables Flächenmuster |
| US20030214690A1 (en) * | 2001-11-26 | 2003-11-20 | Escuti Michael J. | Holographic polymer photonic crystal |
| US7542188B2 (en) * | 2004-01-20 | 2009-06-02 | National University Of Singapore | Optical scanning using vibratory diffraction gratings |
| US7367759B2 (en) * | 2004-12-07 | 2008-05-06 | A.M. Precision Machining, Inc. | Surface relief grating image machining process and product |
| DE102006037431A1 (de) * | 2006-08-09 | 2008-04-17 | Ovd Kinegram Ag | Verfahren zur Herstellung eines Mehrschichtkörpers sowie Mehrschichtkörper |
| US8169703B1 (en) * | 2006-09-06 | 2012-05-01 | Lightsmyth Technologies Inc. | Monolithic arrays of diffraction gratings |
| CA2756840C (en) | 2009-03-30 | 2018-10-23 | Boegli-Gravures S.A. | Method and device for structuring the surface of a hard material coated solid body by means of a laser |
| JP5523549B2 (ja) * | 2009-03-30 | 2014-06-18 | ボエグリ − グラビュル ソシエテ アノニム | 硬質材料をコーティングされた固体表面をレーザにより構造化する方法と装置 |
| US9696476B1 (en) * | 2009-05-15 | 2017-07-04 | Optigrate Corporation | Volume Moiré Bragg gratings in a photosensitive material |
| JP5798233B1 (ja) * | 2014-12-22 | 2015-10-21 | 株式会社精工技研 | 加飾プラスチック成形品およびその製造方法 |
| US11840046B2 (en) * | 2018-12-18 | 2023-12-12 | Lacks Enterprises, Inc. | Anisotropic textured surface |
| US11378724B2 (en) | 2018-12-23 | 2022-07-05 | Ii-Vi Delaware, Inc. | Diffraction grating array for wide-angle illuminateon |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3813139A (en) * | 1972-05-01 | 1974-05-28 | Gen Telephone & Elect | Image-plane carrier hologram recording system using spherical wavefronts |
| US3917378A (en) * | 1974-01-30 | 1975-11-04 | Rca Corp | Frequency-encoded focussed image hologram record |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1354471A (en) * | 1920-10-05 | Colobsb besie | ||
| US755983A (en) * | 1899-02-14 | 1904-03-29 | Robert W Wood | Color photograph and process of making same. |
| US3506327A (en) * | 1964-04-23 | 1970-04-14 | Battelle Development Corp | Wavefront reconstruction using a coherent reference beam |
| US3630593A (en) * | 1970-05-08 | 1971-12-28 | Bell Telephone Labor Inc | Holographically produced image arrays for photolithography |
| AU3243071A (en) * | 1970-09-02 | 1973-02-22 | Rca Corporation | Relief-pattern holograms |
| CA953966A (en) * | 1970-10-23 | 1974-09-03 | Michael T. Gale | Synthetic focused image holograms |
| US3743507A (en) * | 1970-10-23 | 1973-07-03 | Rca Corp | Recording of a continuous tone focused image on a diffraction grating |
| US3695744A (en) * | 1971-01-14 | 1972-10-03 | Rca Corp | Holographic multicolor technique |
| DE2144832A1 (de) * | 1971-09-08 | 1973-03-15 | Agfa Gevaert Ag | Verfahren und vorrichtung zur holografischen aufzeichnung und wiedergabe |
| FR2165748B1 (cg-RX-API-DMAC7.html) * | 1971-12-28 | 1974-08-30 | Bolusset Christian | |
| US3834786A (en) * | 1972-05-01 | 1974-09-10 | Gen Telephone Of Electronics L | Method and apparatus for recording and projecting holograms |
-
1976
- 1976-04-30 US US05/682,090 patent/US4094575A/en not_active Expired - Lifetime
-
1977
- 1977-04-28 JP JP4983577A patent/JPS52152736A/ja active Pending
- 1977-04-29 GB GB18076/77A patent/GB1582273A/en not_active Expired
- 1977-04-29 FR FR7713042A patent/FR2349866A1/fr active Granted
- 1977-04-29 DE DE19772719888 patent/DE2719888A1/de not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3813139A (en) * | 1972-05-01 | 1974-05-28 | Gen Telephone & Elect | Image-plane carrier hologram recording system using spherical wavefronts |
| US3917378A (en) * | 1974-01-30 | 1975-11-04 | Rca Corp | Frequency-encoded focussed image hologram record |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2349866A1 (fr) | 1977-11-25 |
| GB1582273A (en) | 1981-01-07 |
| FR2349866B1 (cg-RX-API-DMAC7.html) | 1982-04-16 |
| US4094575A (en) | 1978-06-13 |
| JPS52152736A (en) | 1977-12-19 |
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