FR2280269A1 - Dispositif de conference a plusieurs postes telephoniques a appel selectif et equipement en comportant application - Google Patents

Dispositif de conference a plusieurs postes telephoniques a appel selectif et equipement en comportant application

Info

Publication number
FR2280269A1
FR2280269A1 FR7425297A FR7425297A FR2280269A1 FR 2280269 A1 FR2280269 A1 FR 2280269A1 FR 7425297 A FR7425297 A FR 7425297A FR 7425297 A FR7425297 A FR 7425297A FR 2280269 A1 FR2280269 A1 FR 2280269A1
Authority
FR
France
Prior art keywords
conference
calls
instrument
telephone system
instruments
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
FR7425297A
Other languages
English (en)
French (fr)
Other versions
FR2280269B3 (enExample
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.)
Saunier Duval SA
Original Assignee
Saunier Duval 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 Saunier Duval SA filed Critical Saunier Duval SA
Priority to FR7425297A priority Critical patent/FR2280269A1/fr
Publication of FR2280269A1 publication Critical patent/FR2280269A1/fr
Application granted granted Critical
Publication of FR2280269B3 publication Critical patent/FR2280269B3/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
FR7425297A 1974-07-22 1974-07-22 Dispositif de conference a plusieurs postes telephoniques a appel selectif et equipement en comportant application Granted FR2280269A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7425297A FR2280269A1 (fr) 1974-07-22 1974-07-22 Dispositif de conference a plusieurs postes telephoniques a appel selectif et equipement en comportant application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7425297A FR2280269A1 (fr) 1974-07-22 1974-07-22 Dispositif de conference a plusieurs postes telephoniques a appel selectif et equipement en comportant application

Publications (2)

Publication Number Publication Date
FR2280269A1 true FR2280269A1 (fr) 1976-02-20
FR2280269B3 FR2280269B3 (enExample) 1977-05-20

Family

ID=9141524

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7425297A Granted FR2280269A1 (fr) 1974-07-22 1974-07-22 Dispositif de conference a plusieurs postes telephoniques a appel selectif et equipement en comportant application

Country Status (1)

Country Link
FR (1) FR2280269A1 (enExample)

Also Published As

Publication number Publication date
FR2280269B3 (enExample) 1977-05-20

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Legal Events

Date Code Title Description
ST Notification of lapse