CA947560A - Holographic memory with same reference beam used for writing and reading - Google Patents
Holographic memory with same reference beam used for writing and readingInfo
- Publication number
- CA947560A CA947560A CA110,378A CA110378A CA947560A CA 947560 A CA947560 A CA 947560A CA 110378 A CA110378 A CA 110378A CA 947560 A CA947560 A CA 947560A
- Authority
- CA
- Canada
- Prior art keywords
- writing
- reading
- same reference
- reference beam
- beam used
- 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.)
- 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
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
-
- 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
- G11C13/043—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 using magnetic-optical storage elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3128470A | 1970-04-23 | 1970-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA947560A true CA947560A (en) | 1974-05-21 |
Family
ID=21858591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA110,378A Expired CA947560A (en) | 1970-04-23 | 1971-04-14 | Holographic memory with same reference beam used for writing and reading |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA947560A (en) |
| DE (1) | DE2120007C3 (en) |
| FR (1) | FR2086283B1 (en) |
| GB (1) | GB1342501A (en) |
| NL (1) | NL7105465A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122899B (en) * | 2022-01-28 | 2022-04-05 | 苏州长光华芯光电技术股份有限公司 | Wavelength locking system |
-
1971
- 1971-04-14 CA CA110,378A patent/CA947560A/en not_active Expired
- 1971-04-20 GB GB1007071A patent/GB1342501A/en not_active Expired
- 1971-04-22 NL NL7105465A patent/NL7105465A/xx unknown
- 1971-04-22 FR FR7114414A patent/FR2086283B1/fr not_active Expired
- 1971-04-23 DE DE19712120007 patent/DE2120007C3/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7105465A (en) | 1971-10-26 |
| DE2120007B2 (en) | 1974-03-07 |
| FR2086283B1 (en) | 1976-02-06 |
| GB1342501A (en) | 1974-01-03 |
| DE2120007A1 (en) | 1971-11-11 |
| DE2120007C3 (en) | 1974-10-03 |
| FR2086283A1 (en) | 1971-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA926008A (en) | Simultaneous read-write monolithic memory array | |
| AU471313B2 (en) | Reading and writing mechanism for passbooks | |
| CA946981A (en) | Buffer memory having read and write address comparison for indicating occupancy | |
| CA950116A (en) | Beam accessed memories | |
| CA957069A (en) | Beam accessed memories | |
| CA925617A (en) | Read only memory | |
| CA921167A (en) | Information storage systems | |
| CA948308A (en) | Data acquisition and recording systems | |
| CA924014A (en) | Read and write systems for 2 1/2d core memory | |
| CA947560A (en) | Holographic memory with same reference beam used for writing and reading | |
| AU463342B2 (en) | Holographic memory with same reference beam usedfor writing and reading | |
| AU2790071A (en) | Holographic memory with same reference beam usedfor writing and reading | |
| CA849185A (en) | Information storage unit and memory card therefor | |
| CA850031A (en) | Data storage media | |
| CA912328A (en) | Holographic read/write storage system | |
| AU445625B2 (en) | Holographic data storage and retrieval system | |
| CA844786A (en) | Specular information storage media | |
| CA854879A (en) | Magneto-optical data storage | |
| CA847460A (en) | Revisable data storage and rapid answer bank system | |
| CA838414A (en) | Photographic information storage and retrieval | |
| CA844222A (en) | Process for information storage and retrieval | |
| CA853626A (en) | Data storage systems | |
| CA839650A (en) | Data storage systems | |
| CA839649A (en) | Data storage systems | |
| CA802826A (en) | Data storage medium |