GB1513422A - Method of recognizing words for an associative store and an optical device for implementing said method - Google Patents
Method of recognizing words for an associative store and an optical device for implementing said methodInfo
- Publication number
- GB1513422A GB1513422A GB15531/75A GB1553175A GB1513422A GB 1513422 A GB1513422 A GB 1513422A GB 15531/75 A GB15531/75 A GB 15531/75A GB 1553175 A GB1553175 A GB 1553175A GB 1513422 A GB1513422 A GB 1513422A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signals
- keyword
- bits
- words
- bit
- 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
- 230000003287 optical effect Effects 0.000 title 1
- 238000003491 array Methods 0.000 abstract 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 abstract 1
- 230000005697 Pockels effect Effects 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 abstract 1
- 229910052805 deuterium Inorganic materials 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 abstract 1
- 235000019796 monopotassium phosphate Nutrition 0.000 abstract 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 abstract 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 abstract 1
- 238000009877 rendering Methods 0.000 abstract 1
Classifications
-
- 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
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C15/00—Digital stores in which information comprising one or more characteristic parts is written into the store and in which information is read-out by searching for one or more of these characteristic parts, i.e. associative or content-addressed stores
Landscapes
- Holo Graphy (AREA)
- Character Input (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7413204A FR2268329B1 (OSRAM) | 1974-04-16 | 1974-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1513422A true GB1513422A (en) | 1978-06-07 |
Family
ID=9137672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB15531/75A Expired GB1513422A (en) | 1974-04-16 | 1975-04-15 | Method of recognizing words for an associative store and an optical device for implementing said method |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3991401A (OSRAM) |
| JP (1) | JPS50140025A (OSRAM) |
| DE (1) | DE2516550A1 (OSRAM) |
| FR (1) | FR2268329B1 (OSRAM) |
| GB (1) | GB1513422A (OSRAM) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3614191A (en) * | 1968-03-29 | 1971-10-19 | Nippon Electric Co | Associative memory employing holography |
| US3706080A (en) * | 1971-06-01 | 1972-12-12 | Honeywell Inc | Holographic optical memory having pivot lens apparatus |
| US3781830A (en) * | 1972-06-23 | 1973-12-25 | Rca Corp | Holographic memory with light intensity compensation means |
| IT959979B (it) * | 1972-06-28 | 1973-11-10 | Honeywell Inf Systems | Memoria associativa ottica |
-
1974
- 1974-04-16 FR FR7413204A patent/FR2268329B1/fr not_active Expired
-
1975
- 1975-04-11 US US05/567,405 patent/US3991401A/en not_active Expired - Lifetime
- 1975-04-15 GB GB15531/75A patent/GB1513422A/en not_active Expired
- 1975-04-16 DE DE19752516550 patent/DE2516550A1/de active Pending
- 1975-04-16 JP JP50046297A patent/JPS50140025A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2268329A1 (OSRAM) | 1975-11-14 |
| DE2516550A1 (de) | 1975-10-30 |
| JPS50140025A (OSRAM) | 1975-11-10 |
| FR2268329B1 (OSRAM) | 1978-12-29 |
| US3991401A (en) | 1976-11-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |