BE869932A - Circuit de conference a trois voies utilisables dans un standard automatique prive - Google Patents

Circuit de conference a trois voies utilisables dans un standard automatique prive

Info

Publication number
BE869932A
BE869932A BE2057228A BE2057228A BE869932A BE 869932 A BE869932 A BE 869932A BE 2057228 A BE2057228 A BE 2057228A BE 2057228 A BE2057228 A BE 2057228A BE 869932 A BE869932 A BE 869932A
Authority
BE
Belgium
Prior art keywords
private automatic
conference circuit
way conference
automatic standard
standard
Prior art date
Application number
BE2057228A
Other languages
English (en)
Inventor
D W Mclaughlin
G F Fetterer
Original Assignee
Gte Automatic Electric Lab Inc
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 Gte Automatic Electric Lab Inc filed Critical Gte Automatic Electric Lab Inc
Publication of BE869932A publication Critical patent/BE869932A/fr

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
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H04M3/569—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants using the instant speaker's algorithm

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
BE2057228A 1977-12-05 1978-08-24 Circuit de conference a trois voies utilisables dans un standard automatique prive BE869932A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/857,165 US4126766A (en) 1977-12-05 1977-12-05 3-Port conference circuit for use in private automatic branch exchange

Publications (1)

Publication Number Publication Date
BE869932A true BE869932A (fr) 1978-12-18

Family

ID=25325351

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2057228A BE869932A (fr) 1977-12-05 1978-08-24 Circuit de conference a trois voies utilisables dans un standard automatique prive

Country Status (4)

Country Link
US (1) US4126766A (fr)
BE (1) BE869932A (fr)
CA (1) CA1101528A (fr)
IT (1) IT1100505B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2811466C3 (de) * 1978-03-16 1981-01-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Herstellung von Konferenzverbindungen in einem PCM-Zeitmultiplexvermittlungssystem
US4267593A (en) * 1979-06-15 1981-05-12 Wescom Switching, Inc. Method and means for digital conferencing
US4271502A (en) * 1979-06-19 1981-06-02 Magnavox Government And Industrial Electronics Co. Digital voice conferencer
US4340960A (en) * 1980-07-25 1982-07-20 Bell Telephone Laboratories, Incorporated Time division switching system
US4466093A (en) * 1982-12-27 1984-08-14 Gte Automatic Electric Inc. Time shared conference arrangement
US4466092A (en) * 1982-12-27 1984-08-14 Gte Automatic Electric Inc. Test data insertion arrangement for a conference circuit
US4466094A (en) * 1982-12-27 1984-08-14 Gte Automatic Electric Inc. Data capture arrangement for a conference circuit
DE3329779C2 (de) * 1983-08-18 1985-06-27 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Schaltungsanordnung zur Herstellung von Konferenzverbindungen in einem Vermittlungssystem
GB2159376B (en) * 1984-05-22 1987-08-26 Emi Ltd An echo cancelling system
US7292543B2 (en) * 2002-04-17 2007-11-06 Texas Instruments Incorporated Speaker tracking on a multi-core in a packet based conferencing system
US20060116167A1 (en) * 2002-09-02 2006-06-01 Roni Raviv Selectable functionality communication system and methodologies

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4007338A (en) * 1975-09-18 1977-02-08 Gte Automatic Electric Laboratories Incorporated Switching and transmission technique using a method and arrangement of channel allocation for providing conferencing

Also Published As

Publication number Publication date
CA1101528A (fr) 1981-05-19
US4126766A (en) 1978-11-21
IT7830421A0 (it) 1978-12-01
IT1100505B (it) 1985-09-28

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GTE AUTOMATIC ELECTRIC LABORATORIES INC.

Effective date: 19870831