FR2081604B1 - - Google Patents
Info
- Publication number
- FR2081604B1 FR2081604B1 FR7103661A FR7103661A FR2081604B1 FR 2081604 B1 FR2081604 B1 FR 2081604B1 FR 7103661 A FR7103661 A FR 7103661A FR 7103661 A FR7103661 A FR 7103661A FR 2081604 B1 FR2081604 B1 FR 2081604B1
- Authority
- FR
- France
- 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
Links
Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
- G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
- G11C13/042—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern
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- 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
- G03H1/0252—Laminate comprising a hologram layer
- G03H1/0256—Laminate comprising a hologram layer having specific functional layer
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2240/00—Hologram nature or properties
- G03H2240/10—Physical parameter modulated by the hologram
- G03H2240/15—Polarisation modulation
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1554270A | 1970-03-02 | 1970-03-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2081604A1 FR2081604A1 (fr) | 1971-12-10 |
FR2081604B1 true FR2081604B1 (fr) | 1976-03-19 |
Family
ID=21772003
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7103661A Expired FR2081604B1 (fr) | 1970-03-02 | 1971-01-27 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3651498A (fr) |
JP (1) | JPS541608B1 (fr) |
DE (1) | DE2109395A1 (fr) |
FR (1) | FR2081604B1 (fr) |
GB (1) | GB1303933A (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE789351A (fr) * | 1971-09-27 | 1973-01-15 | Siemens Ag | Dispositif pour la lecture optique des informations |
US3781868A (en) * | 1971-09-29 | 1973-12-25 | Westinghouse Electric Corp | Analog-to-digital converter |
DE2255796C3 (de) * | 1972-11-15 | 1982-02-11 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltmaske aus Magnetmaterial mit steuerbarer Transparenz |
US3882468A (en) * | 1973-12-28 | 1975-05-06 | Eastman Kodak Co | Storage and retrieval of graphic information |
US3985975A (en) * | 1975-03-04 | 1976-10-12 | International Telephone And Telegraph Corporation | Holographic telephone switching system |
IT1123608B (it) * | 1975-08-11 | 1986-04-30 | Sperry Rand Corp | Matrice di transistori accessibile alla luce con domini a parete singola per un sistema ottico di elaborazione di dati |
FR2423941A1 (fr) * | 1978-04-21 | 1979-11-16 | Treheux Michel | Systeme de commutation spatiale et de commande d'un reseau de commutation de signaux a frequences optiques |
US4562502A (en) * | 1982-04-28 | 1985-12-31 | Tdk Corporation | Optical reproducing system |
US4988153A (en) * | 1989-12-22 | 1991-01-29 | Bell Communications Research, Inc. | Holographic memory read by a laser array |
US5703702A (en) * | 1993-09-08 | 1997-12-30 | Crane; Patrick E. | Holographic synthesis |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1296262A (fr) * | 1960-07-28 | 1962-06-15 | Ibm | Dispositif magnéto-optique de mémoire et d'affichage |
US3425770A (en) * | 1965-12-01 | 1969-02-04 | Technical Operations Inc | Superimposed photostorage and separation |
US3500361A (en) * | 1967-04-21 | 1970-03-10 | Magnavox Co | Magneto-optical correlator |
-
1970
- 1970-03-02 US US15542A patent/US3651498A/en not_active Expired - Lifetime
-
1971
- 1971-01-27 FR FR7103661A patent/FR2081604B1/fr not_active Expired
- 1971-02-17 JP JP685071A patent/JPS541608B1/ja active Pending
- 1971-02-27 DE DE19712109395 patent/DE2109395A1/de active Pending
- 1971-04-19 GB GB2176171A patent/GB1303933A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1303933A (fr) | 1973-01-24 |
FR2081604A1 (fr) | 1971-12-10 |
US3651498A (en) | 1972-03-21 |
DE2109395A1 (de) | 1971-09-16 |
JPS541608B1 (fr) | 1979-01-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |