FR2137817B1 - - Google Patents
Info
- Publication number
- FR2137817B1 FR2137817B1 FR7217010A FR7217010A FR2137817B1 FR 2137817 B1 FR2137817 B1 FR 2137817B1 FR 7217010 A FR7217010 A FR 7217010A FR 7217010 A FR7217010 A FR 7217010A FR 2137817 B1 FR2137817 B1 FR 2137817B1
- 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
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3207571 | 1971-05-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2137817A1 FR2137817A1 (enExample) | 1972-12-29 |
| FR2137817B1 true FR2137817B1 (enExample) | 1975-02-07 |
Family
ID=12348744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7217010A Expired FR2137817B1 (enExample) | 1971-05-12 | 1972-05-12 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3865996A (enExample) |
| CA (1) | CA957068A (enExample) |
| FR (1) | FR2137817B1 (enExample) |
| GB (1) | GB1384817A (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4025731A (en) * | 1971-04-20 | 1977-05-24 | Thomson-Csf | Optical record, and associated recording and reading-out devices |
| US3919465A (en) * | 1974-01-14 | 1975-11-11 | Zenith Radio Corp | Optical system for directly detecting spatially recorded signals |
| IL66817A0 (en) * | 1982-09-16 | 1982-12-31 | Gaz Moshe | Special visual and sound effects in cinematography using beam lasers on positive and negative copies |
| GB2133574A (en) * | 1982-10-15 | 1984-07-25 | Applied Holographics | Making holograms |
| JPH02116029A (ja) * | 1988-10-25 | 1990-04-27 | Mitsubishi Electric Corp | フィルムに対する信号の記録及び再生方法 |
| JP3157873B2 (ja) * | 1991-11-15 | 2001-04-16 | パイオニア株式会社 | 光ピックアップ装置における焦点制御装置 |
| WO2004012016A1 (ja) * | 2002-07-31 | 2004-02-05 | Pioneer Corporation | 記録装置、再生装置及び記録再生装置 |
| GB201015892D0 (en) * | 2010-09-22 | 2010-10-27 | Zet Nanolaboratory Ltd | Data storage and retrieval |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1792766A (en) * | 1926-01-09 | 1931-02-17 | Drahtlose Telegraphie Mbh | Electric-light relay |
| US1917003A (en) * | 1929-01-21 | 1933-07-04 | Columbia Phono Graph Company I | Reproduction of sound records |
| US2283545A (en) * | 1940-07-20 | 1942-05-19 | Jr John Presper Eckert | Light modulating method and apparatus |
| US3545834A (en) * | 1966-04-27 | 1970-12-08 | Rca Corp | Sequential information hologram record |
| US3364497A (en) * | 1966-05-18 | 1968-01-16 | Eastman Kodak Co | Recording of digital data |
| US3623024A (en) * | 1968-02-09 | 1971-11-23 | Us Army | Signal recovery system using optical mixing |
| BE759324A (fr) * | 1969-11-25 | 1971-04-30 | Rca Corp | Dispositif et procede d'enregistrement d'une image en mouvementrepresentee par des hologrammes partiellement superposes |
| US3716286A (en) * | 1969-12-11 | 1973-02-13 | Holotron Corp | Holographic television record system |
| DE2056025C3 (de) * | 1970-11-13 | 1975-10-16 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Verfahren zur holografischen Speicherung von Informationen |
| US3674332A (en) * | 1970-11-23 | 1972-07-04 | Bell Telephone Labor Inc | Hologram generator using superposition of plane waves |
| US3758187A (en) * | 1971-06-09 | 1973-09-11 | Kms Ind Inc | Method and apparatus for recording intelligence on a sheet material |
-
1972
- 1972-05-08 US US251298A patent/US3865996A/en not_active Expired - Lifetime
- 1972-05-10 GB GB2186772A patent/GB1384817A/en not_active Expired
- 1972-05-11 CA CA141,916A patent/CA957068A/en not_active Expired
- 1972-05-12 FR FR7217010A patent/FR2137817B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2222938B2 (de) | 1975-06-19 |
| GB1384817A (en) | 1975-02-26 |
| DE2222938A1 (de) | 1973-03-29 |
| US3865996A (en) | 1975-02-11 |
| CA957068A (en) | 1974-10-29 |
| FR2137817A1 (enExample) | 1972-12-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |