ES453481A1 - Un circuito para conferencia, disenado para interconectar diversos abonados en una malla de conmutacion unica. - Google Patents

Un circuito para conferencia, disenado para interconectar diversos abonados en una malla de conmutacion unica.

Info

Publication number
ES453481A1
ES453481A1 ES453481A ES453481A ES453481A1 ES 453481 A1 ES453481 A1 ES 453481A1 ES 453481 A ES453481 A ES 453481A ES 453481 A ES453481 A ES 453481A ES 453481 A1 ES453481 A1 ES 453481A1
Authority
ES
Spain
Prior art keywords
elements
codes
lines
conference
memory
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
Application number
ES453481A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES453481A1 publication Critical patent/ES453481A1/es
Expired 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)
ES453481A 1975-11-20 1976-11-19 Un circuito para conferencia, disenado para interconectar diversos abonados en una malla de conmutacion unica. Expired ES453481A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7535467A FR2332663A1 (fr) 1975-11-20 1975-11-20 Circuit de conference pour reseau de commutation mic

Publications (1)

Publication Number Publication Date
ES453481A1 true ES453481A1 (es) 1977-11-16

Family

ID=9162663

Family Applications (1)

Application Number Title Priority Date Filing Date
ES453481A Expired ES453481A1 (es) 1975-11-20 1976-11-19 Un circuito para conferencia, disenado para interconectar diversos abonados en una malla de conmutacion unica.

Country Status (6)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112258A (en) * 1977-10-12 1978-09-05 Bell Telephone Laboratories, Incorporated Communication system using intelligent network processor
USRE31651E (en) * 1977-10-12 1984-08-21 Bell Telephone Laboratories, Incorporated Communication system using intelligent network processor
FR2472318B1 (fr) * 1979-12-18 1986-07-18 Telecommunications Sa Systeme de conference telephonique
CA1151327A (en) * 1981-06-08 1983-08-02 Ernst A. Munter Digital conference circuit and method
US4408323A (en) 1981-06-29 1983-10-04 Bell Telephone Laboratories, Incorporated Processor facilities for integrated packet and voice switching
DE3148886C1 (de) * 1981-12-10 1983-08-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren und Schaltungsanordnung zum Herstellen einer Konferenzverbindung
NL8201058A (nl) * 1982-03-15 1983-10-03 Philips Nv Werkwijze en inrichting voor het tot stand brengen van een conferentieverbinding in een tdm communicatiestelsel.
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

Also Published As

Publication number Publication date
BE848460A (fr) 1977-05-18
FR2332663A1 (fr) 1977-06-17
BR7607674A (pt) 1977-10-04
FR2332663B1 (es) 1979-07-27
IT1064278B (it) 1985-02-18
GB1521209A (en) 1978-08-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970612