FR2112531A1 - - Google Patents
Info
- Publication number
- FR2112531A1 FR2112531A1 FR7139737A FR7139737A FR2112531A1 FR 2112531 A1 FR2112531 A1 FR 2112531A1 FR 7139737 A FR7139737 A FR 7139737A FR 7139737 A FR7139737 A FR 7139737A FR 2112531 A1 FR2112531 A1 FR 2112531A1
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
-
- 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
- G03H1/32—Systems for obtaining speckle elimination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/89—Television signal recording using holographic recording
-
- 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
- G03H1/16—Processes or apparatus for producing holograms using Fourier transform
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9805670 | 1970-11-08 | ||
| JP9906070 | 1970-11-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2112531A1 true FR2112531A1 (enExample) | 1972-06-16 |
| FR2112531B1 FR2112531B1 (enExample) | 1977-01-21 |
Family
ID=26439262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7139737A Expired FR2112531B1 (enExample) | 1970-11-08 | 1971-11-05 |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA974808A (enExample) |
| DE (1) | DE2155103B2 (enExample) |
| FR (1) | FR2112531B1 (enExample) |
| GB (1) | GB1376183A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6016210A (en) * | 1997-12-15 | 2000-01-18 | Northrop Grumman Corporation | Scatter noise reduction in holographic storage systems by speckle averaging |
-
1971
- 1971-10-28 GB GB5011571A patent/GB1376183A/en not_active Expired
- 1971-11-03 CA CA126,772A patent/CA974808A/en not_active Expired
- 1971-11-05 FR FR7139737A patent/FR2112531B1/fr not_active Expired
- 1971-11-05 DE DE19712155103 patent/DE2155103B2/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2112531B1 (enExample) | 1977-01-21 |
| DE2155103B2 (de) | 1973-10-25 |
| DE2155103A1 (de) | 1972-05-25 |
| CA974808A (en) | 1975-09-23 |
| GB1376183A (en) | 1974-12-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |