[go: up one dir, main page]

MX147516A - Mejoras a circuito de conferencia para un sistema conmutador de telecomunicaciones digital - Google Patents

Mejoras a circuito de conferencia para un sistema conmutador de telecomunicaciones digital

Info

Publication number
MX147516A
MX147516A MX182790A MX18279080A MX147516A MX 147516 A MX147516 A MX 147516A MX 182790 A MX182790 A MX 182790A MX 18279080 A MX18279080 A MX 18279080A MX 147516 A MX147516 A MX 147516A
Authority
MX
Mexico
Prior art keywords
switching system
telecommunication switching
digital telecommunication
conference circuit
conference
Prior art date
Application number
MX182790A
Other languages
English (en)
Inventor
John F Regan
Bakulesh A Mehta
Original Assignee
Wescom Switching
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 Wescom Switching filed Critical Wescom Switching
Publication of MX147516A publication Critical patent/MX147516A/es

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
    • 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)
  • Telephonic Communication Services (AREA)
MX182790A 1979-06-15 1980-06-16 Mejoras a circuito de conferencia para un sistema conmutador de telecomunicaciones digital MX147516A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/048,830 US4267593A (en) 1979-06-15 1979-06-15 Method and means for digital conferencing

Publications (1)

Publication Number Publication Date
MX147516A true MX147516A (es) 1982-12-10

Family

ID=21956669

Family Applications (1)

Application Number Title Priority Date Filing Date
MX182790A MX147516A (es) 1979-06-15 1980-06-16 Mejoras a circuito de conferencia para un sistema conmutador de telecomunicaciones digital

Country Status (8)

Country Link
US (1) US4267593A (es)
EP (1) EP0021710B1 (es)
JP (1) JPS5853540B2 (es)
KR (1) KR830002714B1 (es)
BR (1) BR8003709A (es)
CA (1) CA1138966A (es)
DE (1) DE3063295D1 (es)
MX (1) MX147516A (es)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1151327A (en) * 1981-06-08 1983-08-02 Ernst A. Munter Digital conference circuit and method
DE3148886C1 (de) * 1981-12-10 1983-08-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verfahren und Schaltungsanordnung zum Herstellen einer Konferenzverbindung
JPS58101034A (ja) * 1981-12-14 1983-06-16 Yokohama Rubber Co Ltd:The 連続脱泡装置
DE3206914C2 (de) * 1982-02-26 1984-08-09 Standard Elektrik Lorenz Ag, 7000 Stuttgart Digitale Konferenzschaltung
US4482998A (en) * 1982-05-27 1984-11-13 At&T Bell Laboratories Method and apparatus for improving the quality of communication in a digital conference arrangement
GB2128448B (en) * 1982-10-08 1985-11-13 Standard Telephones Cables Ltd Telephone exchange conference circuit
US4541087A (en) * 1983-06-27 1985-09-10 Confertech International, Inc. Digital teleconferencing control device, system and method
US4531024A (en) * 1983-10-25 1985-07-23 At&T Bell Laboratories Multilocation video conference terminal including video switching contention control
US4797877A (en) * 1986-12-18 1989-01-10 American Telephone And Telegraph Company Communication system dynamic conferencer circuit
US5274838A (en) * 1987-06-03 1993-12-28 Ericsson Ge Mobile Communications Inc. Fail-soft architecture for public trunking system
US5274837A (en) * 1987-06-03 1993-12-28 Ericsson Ge Mobile Communications Inc. Trunked radio repeater system with multigroup calling feature
US5175866A (en) * 1987-06-03 1992-12-29 Ericcson Ge Mobile Communications Inc. Fail-soft architecture for public trunking system
US4835731A (en) * 1987-08-14 1989-05-30 General Electric Company Processor-to-processor communications protocol for a public service trunking system
US4926496A (en) * 1987-08-14 1990-05-15 General Electric Company Method and apparatus for infrequent radio users to simply obtain emergency assistance
US4903262A (en) * 1987-08-14 1990-02-20 General Electric Company Hardware interface and protocol for a mobile radio transceiver
US5125102A (en) * 1987-06-03 1992-06-23 Ericsson Ge Mobile Communications Inc. Trunked radio repeater system including synchronization of a control channel and working channels
US4939746A (en) * 1987-06-03 1990-07-03 General Electric Company Trunked radio repeater system
US4905302A (en) * 1987-06-03 1990-02-27 General Electric Company Trunked radio repeater system
US5086506A (en) * 1987-08-14 1992-02-04 General Electric Company Radio trunking fault detection system with power output monitoring and on-air monitoring
US5265093A (en) * 1987-08-14 1993-11-23 Ericsson Ge Mobile Communications Inc. Hardware interface and protocol for a mobile radio transceiver
US5206863A (en) * 1987-08-14 1993-04-27 General Electric Company Processor-to-processor communications protocol for a public service trunking system
US5109543A (en) * 1987-08-14 1992-04-28 General Electric Company Hardware interface and protocol for a mobile radio transceiver
US5128930A (en) * 1987-08-14 1992-07-07 General Electric Company Processor-to-processor communications protocol for a public service trunking system
US5117501A (en) * 1988-08-08 1992-05-26 General Electric Company Dynamic regrouping in a trunked radio communications system
US5276678A (en) * 1990-06-18 1994-01-04 Intelect, Inc. Distributed switching and telephone conferencing system
US5408680A (en) * 1992-08-11 1995-04-18 Ericsson Ge Mobile Communications Inc. Single channel autonomous digitally trunked RF communications system
US5483588A (en) * 1994-12-23 1996-01-09 Latitute Communications Voice processing interface for a teleconference system
US6072522A (en) * 1997-06-04 2000-06-06 Cgc Designs Video conferencing apparatus for group video conferencing
US7006456B2 (en) * 2001-02-02 2006-02-28 Nortel Networks Limited Method and apparatus for packet-based media communication
US7599834B2 (en) * 2005-11-29 2009-10-06 Dilithium Netowkrs, Inc. Method and apparatus of voice mixing for conferencing amongst diverse networks
US8446455B2 (en) 2010-12-08 2013-05-21 Cisco Technology, Inc. System and method for exchanging information in a video conference environment
US8553064B2 (en) 2010-12-08 2013-10-08 Cisco Technology, Inc. System and method for controlling video data to be rendered in a video conference environment

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437758A (en) * 1966-07-29 1969-04-08 Bell Telephone Labor Inc Conference telephone system
US3699264A (en) * 1971-03-02 1972-10-17 Gte Automatic Electric Lab Inc Conference circuit for pulse code modulated telephony
FR2271725A1 (en) * 1974-05-17 1975-12-12 Constr Telephoniques Telephonic conference system with speech detector - enables speech from one participant to block all other transmissions
US3937898A (en) * 1974-07-18 1976-02-10 International Telephone And Telegraph Corporation Digital conference bridge
US3958084A (en) * 1974-09-30 1976-05-18 Rockwell International Corporation Conferencing apparatus
US3967070A (en) * 1975-08-21 1976-06-29 Gte Automatic Electric Laboratories Incorporated Memory operation for 3-way communications
US4031328A (en) * 1975-09-18 1977-06-21 Gte Automatic Electric Laboratories Incorporated Conferencing arrangement for use in a PCM system
US4022981A (en) * 1976-07-28 1977-05-10 Gte Automatic Electric Laboratories Incorporated Conference circuit for pulse coded modulated telephony
US4054755A (en) * 1976-10-14 1977-10-18 Gte Automatic Electric Laboratories Incorporated Conference circuit for pulse coded modulated telephony
US4126766A (en) * 1977-12-05 1978-11-21 Gte Automatic Electric Laboratories Incorporated 3-Port conference circuit for use in private automatic branch exchange
GB2015849B (en) * 1978-03-07 1982-08-25 Post Office Audio teleconferencing
US4456789A (en) * 1978-03-07 1984-06-26 The Post Office Audio teleconferencing

Also Published As

Publication number Publication date
DE3063295D1 (en) 1983-07-07
CA1138966A (en) 1983-01-04
EP0021710A1 (en) 1981-01-07
EP0021710B1 (en) 1983-05-18
KR830002714B1 (ko) 1983-12-08
BR8003709A (pt) 1981-01-13
KR830004004A (ko) 1983-06-30
US4267593A (en) 1981-05-12
JPS5639665A (en) 1981-04-15
JPS5853540B2 (ja) 1983-11-30

Similar Documents

Publication Publication Date Title
MX147516A (es) Mejoras a circuito de conferencia para un sistema conmutador de telecomunicaciones digital
BR7707058A (pt) Sistema de comutacao de telecomunicacoes
AT387488B (de) Elektronisches zeitmultiplexverbindungsschaltsystem
MX149459A (es) Mejoras en sistema de senalizacion digital para conmutacion telefonica
ES497008A0 (es) Un sistema de telecomunicacion digital
AT385381B (de) Digitalschaltung
JPS52152250A (en) Zoom lens system
DK158123C (da) Indretning til rundaeltning af dej
IT8312443A0 (it) Dispositivo commutatore
DE3381272D1 (de) Schalttafel.
BR7800384A (pt) Circuito de ligacao para linhas telefonicas
AU1812976A (en) Automatic telecommunication switching system
AT374618B (de) Schalteinrichtung
GB2024446B (en) Zoom lens systems
BR8303407A (pt) Circuito bifalar para linha telefonica
BR8200479A (pt) Central de comutacao digital para sistemas de telecomunicacoes
GB1546860A (en) Switching system for an automatic telecommunication exchan
JPS5375949A (en) Zoom lens
BR8205022A (pt) Circuito de conexao de assinantes
BR8103787A (pt) Circuito interuptor
IT1142192B (it) Circuito preamplificolare per telecamere
BR8001561A (pt) Arranjo de circuito para sistema de telecomunicacao
BR8104534A (pt) Circuito talhador de comutacao livre
BE886612A (fr) Camera de television
BR8202162A (pt) Circuito de conferencia para centrais telefonicas de comutacao do tipo numerico