BE749884A - Reseaux de memoire a lecture seule - Google Patents
Reseaux de memoire a lecture seuleInfo
- Publication number
- BE749884A BE749884A BE749884DA BE749884A BE 749884 A BE749884 A BE 749884A BE 749884D A BE749884D A BE 749884DA BE 749884 A BE749884 A BE 749884A
- Authority
- BE
- Belgium
- Prior art keywords
- read
- memory networks
- networks
- memory
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
- G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements
- G11C17/10—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM
- G11C17/12—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements in which contents are determined during manufacturing by a predetermined arrangement of coupling elements, e.g. mask-programmable ROM using field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Static Random-Access Memory (AREA)
- Read Only Memory (AREA)
- Dram (AREA)
- Semiconductor Memories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82252169A | 1969-05-07 | 1969-05-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE749884A true BE749884A (fr) | 1970-10-16 |
Family
ID=25236258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE749884D BE749884A (fr) | 1969-05-07 | 1970-05-04 | Reseaux de memoire a lecture seule |
Country Status (9)
Country | Link |
---|---|
US (1) | US3618050A (xx) |
JP (1) | JPS5111901B1 (xx) |
BE (1) | BE749884A (xx) |
BR (1) | BR7018866D0 (xx) |
DE (1) | DE2022256C2 (xx) |
ES (1) | ES380087A1 (xx) |
FR (1) | FR2042453B1 (xx) |
GB (1) | GB1302105A (xx) |
NL (1) | NL164151C (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3771145B1 (en) * | 1971-02-01 | 1994-11-01 | Wiener Patricia P. | Integrated circuit read-only memory |
US3805940A (en) * | 1971-07-12 | 1974-04-23 | Automix Keyboards | Justifying apparatus |
JPS5713079B2 (xx) * | 1975-02-10 | 1982-03-15 | ||
JPS5851427B2 (ja) | 1975-09-04 | 1983-11-16 | 株式会社日立製作所 | 絶縁ゲ−ト型リ−ド・オンリ−・メモリの製造方法 |
US4031524A (en) * | 1975-10-17 | 1977-06-21 | Teletype Corporation | Read-only memories, and readout circuits therefor |
US4208726A (en) * | 1978-06-12 | 1980-06-17 | Texas Instruments Incorporated | Programming of semiconductor read only memory |
US4207616A (en) * | 1978-11-29 | 1980-06-10 | Teletype Corporation | Logic array having improved speed characteristics |
US4395765A (en) * | 1981-04-23 | 1983-07-26 | Bell Telephone Laboratories, Incorporated | Multiport memory array |
JPH0897710A (ja) * | 1994-09-28 | 1996-04-12 | Hitachi Ltd | プログラマブル2線2相方式論理アレイ |
-
1969
- 1969-05-07 US US822521A patent/US3618050A/en not_active Expired - Lifetime
-
1970
- 1970-04-17 NL NL7005589.A patent/NL164151C/xx not_active IP Right Cessation
- 1970-05-04 BE BE749884D patent/BE749884A/xx not_active IP Right Cessation
- 1970-05-06 ES ES380087A patent/ES380087A1/es not_active Expired
- 1970-05-06 FR FR7016535A patent/FR2042453B1/fr not_active Expired
- 1970-05-06 GB GB2177170A patent/GB1302105A/en not_active Expired
- 1970-05-06 DE DE2022256A patent/DE2022256C2/de not_active Expired
- 1970-05-07 JP JP3835270A patent/JPS5111901B1/ja active Pending
- 1970-05-07 BR BR218866/70A patent/BR7018866D0/pt unknown
Also Published As
Publication number | Publication date |
---|---|
FR2042453B1 (xx) | 1975-09-26 |
US3618050A (en) | 1971-11-02 |
NL164151C (nl) | 1980-11-17 |
BR7018866D0 (pt) | 1973-03-13 |
GB1302105A (xx) | 1973-01-04 |
DE2022256A1 (de) | 1970-11-19 |
NL164151B (nl) | 1980-06-16 |
DE2022256C2 (de) | 1982-04-08 |
NL7005589A (xx) | 1970-11-10 |
ES380087A1 (es) | 1972-08-16 |
FR2042453A1 (xx) | 1971-02-12 |
JPS5111901B1 (xx) | 1976-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: TELETYPE CORP. Effective date: 19860531 |