BE749884A - Reseaux de memoire a lecture seule - Google Patents

Reseaux de memoire a lecture seule

Info

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
Application number
Other languages
English (en)
French (fr)
Inventor
R H Heeren
C R Winston
Original Assignee
Teletype Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Teletype Corp filed Critical Teletype Corp
Publication of BE749884A publication Critical patent/BE749884A/xx

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)
BE749884D 1969-05-07 1970-05-04 Reseaux de memoire a lecture seule BE749884A (fr)

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 (ja)
JP (1) JPS5111901B1 (ja)
BE (1) BE749884A (ja)
BR (1) BR7018866D0 (ja)
DE (1) DE2022256C2 (ja)
ES (1) ES380087A1 (ja)
FR (1) FR2042453B1 (ja)
GB (1) GB1302105A (ja)
NL (1) NL164151C (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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 (ja) * 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

Also Published As

Publication number Publication date
JPS5111901B1 (ja) 1976-04-14
DE2022256C2 (de) 1982-04-08
FR2042453B1 (ja) 1975-09-26
FR2042453A1 (ja) 1971-02-12
NL7005589A (ja) 1970-11-10
US3618050A (en) 1971-11-02
BR7018866D0 (pt) 1973-03-13
ES380087A1 (es) 1972-08-16
NL164151B (nl) 1980-06-16
GB1302105A (ja) 1973-01-04
NL164151C (nl) 1980-11-17
DE2022256A1 (de) 1970-11-19

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: TELETYPE CORP.

Effective date: 19860531