IT958289B - Procedimento ed apparecchio per la registrazione olografica ed il recupero di informazioni su materiali in foglio - Google Patents
Procedimento ed apparecchio per la registrazione olografica ed il recupero di informazioni su materiali in foglioInfo
- Publication number
- IT958289B IT958289B IT50789/72A IT5078972A IT958289B IT 958289 B IT958289 B IT 958289B IT 50789/72 A IT50789/72 A IT 50789/72A IT 5078972 A IT5078972 A IT 5078972A IT 958289 B IT958289 B IT 958289B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- equipment
- holographic recording
- retrieving information
- paper materials
- Prior art date
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
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
- G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
- G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements
-
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15145871A | 1971-06-09 | 1971-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT958289B true IT958289B (it) | 1973-10-20 |
Family
ID=22538857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT50789/72A IT958289B (it) | 1971-06-09 | 1972-06-09 | Procedimento ed apparecchio per la registrazione olografica ed il recupero di informazioni su materiali in foglio |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3758187A (enExample) |
| AU (1) | AU461920B2 (enExample) |
| BE (1) | BE784619A (enExample) |
| CA (1) | CA962871A (enExample) |
| FR (1) | FR2140562A1 (enExample) |
| GB (1) | GB1371687A (enExample) |
| IT (1) | IT958289B (enExample) |
| NL (1) | NL7207868A (enExample) |
Families Citing this family (16)
| 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 |
| US3865996A (en) * | 1971-05-12 | 1975-02-11 | Matsushita Electric Industrial Co Ltd | Holographic audio signal recording and playback apparatus |
| DE2224386C2 (de) * | 1972-05-18 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur holografischen Aufzeichnung von in Form elektrischer Signale vorliegenden Informationen |
| US3852767A (en) * | 1972-08-22 | 1974-12-03 | Trw Inc | Optical signal recording method |
| US3975081A (en) * | 1972-10-04 | 1976-08-17 | Matsushita Electric Industrial Co., Ltd. | Signal recording system |
| US4040096A (en) * | 1972-11-27 | 1977-08-02 | Xerox Corporation | Flying spot scanner with runout correction |
| US3949235A (en) * | 1973-03-14 | 1976-04-06 | Nippon Telegraph & Telephone Public Corporation | Large holographic memory with plural overlapping detector arrays |
| US4175823A (en) * | 1973-11-07 | 1979-11-27 | Siemens Aktiengesellschaft | Process for holographic recording of data in the form of electrical signals |
| GB1557159A (en) * | 1975-05-27 | 1979-12-05 | Hedgeland D R S | Optical scanning apparatus |
| US4559562A (en) * | 1983-08-16 | 1985-12-17 | Xerox Corporation | Microdeflector facet tracker for scanning system |
| GB8607668D0 (en) * | 1986-03-27 | 1986-04-30 | Allen G S J | Three dimensional movie film |
| JPH01190084A (ja) * | 1988-01-25 | 1989-07-31 | Victor Co Of Japan Ltd | 撮像装置 |
| US4810094A (en) * | 1988-01-29 | 1989-03-07 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Dual wavelength holographic interferometry system and method |
| US5519517A (en) * | 1993-08-20 | 1996-05-21 | Tamarack Storage Devices | Method and apparatus for holographically recording and reproducing images in a sequential manner |
| US6292285B1 (en) | 1999-12-20 | 2001-09-18 | Xerox Corporation | Single rotating polygon mirror with v-shaped facets for a multiple beam ROS |
| US7073716B2 (en) * | 2003-09-05 | 2006-07-11 | Ncr Corporation | Barcode scanner with dual-surface polygon |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3560071A (en) * | 1968-04-17 | 1971-02-02 | Daniel Silverman | Holographic recording and visual display systems |
-
1971
- 1971-06-09 US US00151458A patent/US3758187A/en not_active Expired - Lifetime
-
1972
- 1972-06-08 BE BE784619A patent/BE784619A/xx unknown
- 1972-06-08 AU AU43239/72A patent/AU461920B2/en not_active Expired
- 1972-06-08 FR FR7220616A patent/FR2140562A1/fr not_active Withdrawn
- 1972-06-08 CA CA144,244A patent/CA962871A/en not_active Expired
- 1972-06-09 NL NL7207868A patent/NL7207868A/xx unknown
- 1972-06-09 IT IT50789/72A patent/IT958289B/it active
- 1972-06-09 GB GB2695472A patent/GB1371687A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE784619A (fr) | 1972-12-08 |
| FR2140562A1 (enExample) | 1973-01-19 |
| CA962871A (en) | 1975-02-18 |
| DE2228292B2 (de) | 1976-05-06 |
| GB1371687A (en) | 1974-10-23 |
| AU4323972A (en) | 1973-12-13 |
| NL7207868A (enExample) | 1972-12-12 |
| AU461920B2 (en) | 1975-06-12 |
| DE2228292A1 (de) | 1973-01-18 |
| US3758187A (en) | 1973-09-11 |
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