FR2307421A1 - Dispositif electronique perfectionne de transmission d'informations - Google Patents

Dispositif electronique perfectionne de transmission d'informations

Info

Publication number
FR2307421A1
FR2307421A1 FR7511077A FR7511077A FR2307421A1 FR 2307421 A1 FR2307421 A1 FR 2307421A1 FR 7511077 A FR7511077 A FR 7511077A FR 7511077 A FR7511077 A FR 7511077A FR 2307421 A1 FR2307421 A1 FR 2307421A1
Authority
FR
France
Prior art keywords
control
interface circuit
operator
desks
transmission
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.)
Granted
Application number
FR7511077A
Other languages
English (en)
French (fr)
Other versions
FR2307421B1 (enExample
Inventor
Michel Baudoin
Alain Lemaire
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to FR7511077A priority Critical patent/FR2307421A1/fr
Publication of FR2307421A1 publication Critical patent/FR2307421A1/fr
Application granted granted Critical
Publication of FR2307421B1 publication Critical patent/FR2307421B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/62—Keyboard equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
FR7511077A 1975-04-09 1975-04-09 Dispositif electronique perfectionne de transmission d'informations Granted FR2307421A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7511077A FR2307421A1 (fr) 1975-04-09 1975-04-09 Dispositif electronique perfectionne de transmission d'informations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7511077A FR2307421A1 (fr) 1975-04-09 1975-04-09 Dispositif electronique perfectionne de transmission d'informations

Publications (2)

Publication Number Publication Date
FR2307421A1 true FR2307421A1 (fr) 1976-11-05
FR2307421B1 FR2307421B1 (enExample) 1982-04-30

Family

ID=9153691

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7511077A Granted FR2307421A1 (fr) 1975-04-09 1975-04-09 Dispositif electronique perfectionne de transmission d'informations

Country Status (1)

Country Link
FR (1) FR2307421A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2440049A1 (fr) * 1978-10-26 1980-05-23 Int Standard Electric Corp Commande de dispositif d'affichage pour positions d'operatrices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2440049A1 (fr) * 1978-10-26 1980-05-23 Int Standard Electric Corp Commande de dispositif d'affichage pour positions d'operatrices

Also Published As

Publication number Publication date
FR2307421B1 (enExample) 1982-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse