FR2608804B1 - Module d'extension pour terminal de teleinformatique - Google Patents

Module d'extension pour terminal de teleinformatique

Info

Publication number
FR2608804B1
FR2608804B1 FR8617962A FR8617962A FR2608804B1 FR 2608804 B1 FR2608804 B1 FR 2608804B1 FR 8617962 A FR8617962 A FR 8617962A FR 8617962 A FR8617962 A FR 8617962A FR 2608804 B1 FR2608804 B1 FR 2608804B1
Authority
FR
France
Prior art keywords
teleinformatics
terminal
extension module
extension
module
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 - Lifetime
Application number
FR8617962A
Other languages
English (en)
Other versions
FR2608804A1 (fr
Inventor
Jean Jacques Jestin
Loic Bellanger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks France SAS
Original Assignee
Matra Communication SA
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 Matra Communication SA filed Critical Matra Communication SA
Priority to FR8617962A priority Critical patent/FR2608804B1/fr
Publication of FR2608804A1 publication Critical patent/FR2608804A1/fr
Application granted granted Critical
Publication of FR2608804B1 publication Critical patent/FR2608804B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/141—Battery and back-up supplies
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C5/00—Details of stores covered by group G11C11/00
    • G11C5/14—Power supply arrangements, e.g. power down, chip selection or deselection, layout of wirings or power grids, or multiple supply levels
    • G11C5/143—Detection of memory cassette insertion or removal; Continuity checks of supply or ground lines; Detection of supply variations, interruptions or levels ; Switching between alternative supplies
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/24—Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Storage Device Security (AREA)
FR8617962A 1986-12-22 1986-12-22 Module d'extension pour terminal de teleinformatique Expired - Lifetime FR2608804B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8617962A FR2608804B1 (fr) 1986-12-22 1986-12-22 Module d'extension pour terminal de teleinformatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8617962A FR2608804B1 (fr) 1986-12-22 1986-12-22 Module d'extension pour terminal de teleinformatique

Publications (2)

Publication Number Publication Date
FR2608804A1 FR2608804A1 (fr) 1988-06-24
FR2608804B1 true FR2608804B1 (fr) 1991-10-31

Family

ID=9342160

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8617962A Expired - Lifetime FR2608804B1 (fr) 1986-12-22 1986-12-22 Module d'extension pour terminal de teleinformatique

Country Status (1)

Country Link
FR (1) FR2608804B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647939A1 (fr) * 1989-05-30 1990-12-07 Celogic Support pour une memoire sous la forme d'une cassette

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2803202C2 (de) * 1978-01-25 1981-10-08 Elektroinnung München, 8000 München Schaltungsanordnung zur Datensicherung von in als flüchtige (volatile) Speicher ausgebildeten Schreib-Lese- Speichern (RAM) gespeicherten Informationen
DE3067417D1 (en) * 1979-05-15 1984-05-17 Mostek Corp Circuit for electrically connecting a volatile memory to a power supply input terminal
JPS59227090A (ja) * 1983-06-06 1984-12-20 Hitachi Ltd 不揮発性メモリ装置
FR2570524B1 (fr) * 1984-09-19 1987-01-02 Matra Communication Terminal de tele-informatique a extensions externes

Also Published As

Publication number Publication date
FR2608804A1 (fr) 1988-06-24

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Legal Events

Date Code Title Description
ST Notification of lapse