FR2332663A1 - CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK - Google Patents

CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK

Info

Publication number
FR2332663A1
FR2332663A1 FR7535467A FR7535467A FR2332663A1 FR 2332663 A1 FR2332663 A1 FR 2332663A1 FR 7535467 A FR7535467 A FR 7535467A FR 7535467 A FR7535467 A FR 7535467A FR 2332663 A1 FR2332663 A1 FR 2332663A1
Authority
FR
France
Prior art keywords
switching network
conference circuit
mic switching
mic
conference
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
FR7535467A
Other languages
French (fr)
Other versions
FR2332663B1 (en
Inventor
Augustin Lejay
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.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications 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 Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR7535467A priority Critical patent/FR2332663A1/en
Priority to GB4767776A priority patent/GB1521209A/en
Priority to IT2940176A priority patent/IT1064278B/en
Priority to BR7607674A priority patent/BR7607674A/en
Priority to BE2055461A priority patent/BE848460A/en
Priority to ES453481A priority patent/ES453481A1/en
Publication of FR2332663A1 publication Critical patent/FR2332663A1/en
Application granted granted Critical
Publication of FR2332663B1 publication Critical patent/FR2332663B1/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
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FR7535467A 1975-11-20 1975-11-20 CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK Granted FR2332663A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7535467A FR2332663A1 (en) 1975-11-20 1975-11-20 CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK
GB4767776A GB1521209A (en) 1975-11-20 1976-11-16 Conference circuit for a pcm switching network
IT2940176A IT1064278B (en) 1975-11-20 1976-11-17 CONFERENCE CIRCUIT FOR SWITCHING NETWORK USING IMPULSE CODE MODULATION
BR7607674A BR7607674A (en) 1975-11-20 1976-11-17 CONFERENCE CIRCUIT FOR A PCM SWITCH NETWORK
BE2055461A BE848460A (en) 1975-11-20 1976-11-18 CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK,
ES453481A ES453481A1 (en) 1975-11-20 1976-11-19 Conference circuit for a pcm switching network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7535467A FR2332663A1 (en) 1975-11-20 1975-11-20 CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK

Publications (2)

Publication Number Publication Date
FR2332663A1 true FR2332663A1 (en) 1977-06-17
FR2332663B1 FR2332663B1 (en) 1979-07-27

Family

ID=9162663

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535467A Granted FR2332663A1 (en) 1975-11-20 1975-11-20 CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK

Country Status (6)

Country Link
BE (1) BE848460A (en)
BR (1) BR7607674A (en)
ES (1) ES453481A1 (en)
FR (1) FR2332663A1 (en)
GB (1) GB1521209A (en)
IT (1) IT1064278B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2406365A1 (en) * 1977-10-12 1979-05-11 Western Electric Co PABX FOR A TELECOMMUNICATIONS SYSTEM
FR2472318A1 (en) * 1979-12-18 1981-06-26 Telecommunications Sa Telephone conference system - adds samples of selected subscriber channels and retransmits and distributes sum to subscribers as second order digital signal
EP0067006A1 (en) * 1981-06-08 1982-12-15 Northern Telecom Limited Digital conference circuit and method
EP0081799A1 (en) * 1981-12-10 1983-06-22 Alcatel N.V. Method and circuit for establishing a conference connection
EP0089716A1 (en) * 1982-03-15 1983-09-28 Koninklijke Philips Electronics N.V. Method of and arrangement for establishing a conference connection in a TDM communication system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE31651E (en) * 1977-10-12 1984-08-21 Bell Telephone Laboratories, Incorporated Communication system using intelligent network processor
US4408323A (en) 1981-06-29 1983-10-04 Bell Telephone Laboratories, Incorporated Processor facilities for integrated packet and voice switching
GB2128448B (en) * 1982-10-08 1985-11-13 Standard Telephones Cables Ltd Telephone exchange conference circuit
GB2134751B (en) * 1983-01-18 1986-07-30 Plessey Co Plc Conference bridge

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2406365A1 (en) * 1977-10-12 1979-05-11 Western Electric Co PABX FOR A TELECOMMUNICATIONS SYSTEM
FR2472318A1 (en) * 1979-12-18 1981-06-26 Telecommunications Sa Telephone conference system - adds samples of selected subscriber channels and retransmits and distributes sum to subscribers as second order digital signal
EP0067006A1 (en) * 1981-06-08 1982-12-15 Northern Telecom Limited Digital conference circuit and method
EP0081799A1 (en) * 1981-12-10 1983-06-22 Alcatel N.V. Method and circuit for establishing a conference connection
EP0089716A1 (en) * 1982-03-15 1983-09-28 Koninklijke Philips Electronics N.V. Method of and arrangement for establishing a conference connection in a TDM communication system

Also Published As

Publication number Publication date
GB1521209A (en) 1978-08-16
IT1064278B (en) 1985-02-18
BR7607674A (en) 1977-10-04
BE848460A (en) 1977-05-18
FR2332663B1 (en) 1979-07-27
ES453481A1 (en) 1977-11-16

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Legal Events

Date Code Title Description
ST Notification of lapse