CH557574A - PROCEDURE FOR OPTICAL PROGRAMMING OF A BINARY ELECTRIC FIXED VALUE MEMORY. - Google Patents
PROCEDURE FOR OPTICAL PROGRAMMING OF A BINARY ELECTRIC FIXED VALUE MEMORY.Info
- Publication number
- CH557574A CH557574A CH108973A CH108973A CH557574A CH 557574 A CH557574 A CH 557574A CH 108973 A CH108973 A CH 108973A CH 108973 A CH108973 A CH 108973A CH 557574 A CH557574 A CH 557574A
- Authority
- CH
- Switzerland
- Prior art keywords
- procedure
- fixed value
- value memory
- electric fixed
- binary electric
- Prior art date
Links
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
- G11C13/041—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 photochromic storage elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/10—Programming or data input circuits
- G11C16/18—Circuits for erasing optically
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722204272 DE2204272C3 (en) | 1972-01-29 | Device for programming a binary semi-fixed value memory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH557574A true CH557574A (en) | 1974-12-31 |
Family
ID=5834438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH108973A CH557574A (en) | 1972-01-29 | 1973-01-26 | PROCEDURE FOR OPTICAL PROGRAMMING OF A BINARY ELECTRIC FIXED VALUE MEMORY. |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU5129373A (en) |
| BE (1) | BE798048A (en) |
| CH (1) | CH557574A (en) |
| FR (1) | FR2169387B3 (en) |
| IT (1) | IT978406B (en) |
-
1973
- 1973-01-22 AU AU51293/73A patent/AU5129373A/en not_active Expired
- 1973-01-24 IT IT1953073A patent/IT978406B/en active
- 1973-01-26 CH CH108973A patent/CH557574A/en not_active IP Right Cessation
- 1973-01-29 FR FR7302969A patent/FR2169387B3/fr not_active Expired
- 1973-04-11 BE BE2052677A patent/BE798048A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE798048A (en) | 1973-10-11 |
| DE2204272A1 (en) | 1973-08-16 |
| IT978406B (en) | 1974-09-20 |
| FR2169387A1 (en) | 1973-09-07 |
| FR2169387B3 (en) | 1976-01-30 |
| DE2204272B2 (en) | 1976-12-02 |
| AU5129373A (en) | 1974-07-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |