IT1194724B - Sistema di telecomunicazioni in conferenza a percorsi duplex trilaterali con capacita' di trasmissione circolare - Google Patents

Sistema di telecomunicazioni in conferenza a percorsi duplex trilaterali con capacita' di trasmissione circolare

Info

Publication number
IT1194724B
IT1194724B IT26150/80A IT2615080A IT1194724B IT 1194724 B IT1194724 B IT 1194724B IT 26150/80 A IT26150/80 A IT 26150/80A IT 2615080 A IT2615080 A IT 2615080A IT 1194724 B IT1194724 B IT 1194724B
Authority
IT
Italy
Prior art keywords
trilateral
conference
duplex
routes
telecommunications system
Prior art date
Application number
IT26150/80A
Other languages
English (en)
Other versions
IT8026150A0 (it
Inventor
Michael Leonard Kuras
Daniel Clay Upp
Herbert Josep Toegel
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of IT8026150A0 publication Critical patent/IT8026150A0/it
Application granted granted Critical
Publication of IT1194724B publication Critical patent/IT1194724B/it

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/20—Aspects of automatic or semi-automatic exchanges related to features of supplementary services
    • H04M2203/205—Broadcasting

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Mobile Radio Communication Systems (AREA)
IT26150/80A 1979-11-21 1980-11-21 Sistema di telecomunicazioni in conferenza a percorsi duplex trilaterali con capacita' di trasmissione circolare IT1194724B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/096,599 US4293946A (en) 1979-11-21 1979-11-21 Trilateral duplex path conferencing system with broadcast capability

Publications (2)

Publication Number Publication Date
IT8026150A0 IT8026150A0 (it) 1980-11-21
IT1194724B true IT1194724B (it) 1988-09-22

Family

ID=22258130

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26150/80A IT1194724B (it) 1979-11-21 1980-11-21 Sistema di telecomunicazioni in conferenza a percorsi duplex trilaterali con capacita' di trasmissione circolare

Country Status (12)

Country Link
US (1) US4293946A (it)
JP (1) JPS5854540B2 (it)
AU (1) AU538967B2 (it)
BE (1) BE886273A (it)
CA (1) CA1160372A (it)
CH (1) CH651982A5 (it)
DE (1) DE3043905A1 (it)
ES (1) ES8106392A1 (it)
GB (1) GB2063622B (it)
IT (1) IT1194724B (it)
MX (1) MX148781A (it)
SE (1) SE456793B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5652959A (en) * 1979-10-06 1981-05-12 Fujitsu Ltd Network connection system
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.
FR2528646B1 (fr) * 1982-06-11 1988-02-12 Thomson Csf Mat Tel Dispositif de transmission entre les terminaisons d'un systeme de communication temporel
FR2531593B1 (fr) * 1982-08-05 1992-09-04 Thomson Csf Mat Tel Autocommutateur electronique temporel modulaire en trafic et en capacite
US4479195A (en) * 1982-09-07 1984-10-23 At&T Bell Laboratories Data conference system
US4499577A (en) * 1982-10-18 1985-02-12 At&T Bell Laboratories Linear time division multiplexed conferencer for data transfer applications
NO162098C (no) * 1982-11-30 1989-11-01 Alcatel Nv Fremgangsmaate for overfoering av tale og data.
US4584680A (en) * 1982-11-30 1986-04-22 Itt Corporation Use of a tone bus to provide polling and data distribution apparatus for communication system terminal groups
US4578789A (en) * 1982-11-30 1986-03-25 Itt Corporation Simultaneous voice and data communication and data base access in a switching system using a tone bus or broadcast mode
US4797877A (en) * 1986-12-18 1989-01-10 American Telephone And Telegraph Company Communication system dynamic conferencer circuit
DE3852821D1 (de) * 1988-09-07 1995-03-02 Siemens Ag Schaltungsanordnung zur Herstellung von Konferenzverbindungen in einer digitalen Zeitmultiplex-Fernmeldevermittlungsstelle.
DE3912333A1 (de) * 1989-04-14 1990-10-25 Nixdorf Computer Ag Verfahren zum steuern des aufbaus von datenuebertragungsverbindungen in telekommunikationsanlagen
US6205124B1 (en) * 1996-12-31 2001-03-20 Compaq Computer Corporation Multipoint digital simultaneous voice and data system
JP4044656B2 (ja) * 1997-10-14 2008-02-06 富士通株式会社 データ通信システム及びその装置
EP1239697A1 (en) * 2001-03-05 2002-09-11 Lucent Technologies Inc. Method of operating a telephone network
JP6308637B1 (ja) 2017-05-08 2018-04-11 国立大学法人福井大学 特徴量を用いた３次元計測方法およびその装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551600A (en) * 1968-02-23 1970-12-29 Stromberg Carlson Corp High capacity,high side-tone suppression,4-wire conference circuit
SE318914B (it) * 1969-03-18 1969-12-22 Ericsson Telefon Ab L M
US4049920A (en) * 1976-10-18 1977-09-20 Bell Telephone Laboratories, Incorporated Analog signal summing conference circuit
GB1583634A (en) * 1977-03-02 1981-01-28 Int Standard Electric Corp Subscriber line/trunk circuit
DE2811466C3 (de) * 1978-03-16 1981-01-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Herstellung von Konferenzverbindungen in einem PCM-Zeitmultiplexvermittlungssystem
US4201890A (en) * 1978-03-17 1980-05-06 International Telephone And Telegraph Multiport digital switching element
DE2812387C2 (de) * 1978-03-21 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Verfahren und Schaltungsanordnung zur Herstellung von Konferenzverbindungen in einem PCM-Zeitmultiplexvermittlungssystem
US4203001A (en) * 1978-06-02 1980-05-13 Siemens Aktiengesellschaft Apparatus for establishing multi-address and conference call connections

Also Published As

Publication number Publication date
BE886273A (fr) 1981-05-21
SE8008076L (sv) 1981-05-22
DE3043905A1 (de) 1981-09-03
MX148781A (es) 1983-06-14
JPS5854540B2 (ja) 1983-12-05
IT8026150A0 (it) 1980-11-21
GB2063622A (en) 1981-06-03
CH651982A5 (de) 1985-10-15
DE3043905C2 (it) 1989-06-08
ES497008A0 (es) 1981-08-01
CA1160372A (en) 1984-01-10
GB2063622B (en) 1983-10-19
AU538967B2 (en) 1984-09-06
ES8106392A1 (es) 1981-08-01
JPS5686566A (en) 1981-07-14
SE456793B (sv) 1988-10-31
AU6441680A (en) 1981-05-28
US4293946A (en) 1981-10-06

Similar Documents

Publication Publication Date Title
IT1194724B (it) Sistema di telecomunicazioni in conferenza a percorsi duplex trilaterali con capacita' di trasmissione circolare
GB2063018B (en) Telecommunication systems
ES510267A0 (es) Mejoras introducidas en dispositivos auriculares.
DE68928550D1 (de) Integriertes teleübertragungssystem mit verbesserter antwort mit digitaler stimme
ES512122A0 (es) "perfeccionamientos en los evaporadores".
AU541089B2 (en) Copolymeric mordants + photographic use thereof
IT8348615A0 (it) Gruppo di gioco con figure parlanti
IT8223041A0 (it) Telefono con altoparlante.
BE881742A (fr) Dispositifs d'accouplement
DK166188A (da) Katodeforstoevede film af bismuth/tin-oxid
NO830551L (no) Fluorkarbon-overflateaktive midler
KR850008259A (ko) 부재시 전화장치
IT8321387A0 (it) Indicatore telefonico.
ES510367A0 (es) "perfeccionamientos en los ordenadores".
IT8220043A0 (it) Girotrone con stabilita'migliorata.
IT8423104A1 (it) Apparecchio telefonico di segreteria per l'impiego con un sistema di segreteria telefonica
ES510474A0 (es) "perfeccionamientos en aparatos mullidores de mazos".
IT1178367B (it) Dispositivo di trasporto con teleferica
MX154832A (es) Mejoras en sistema de telecomunicacion con abonado de conexion numerica
FR2552288B1 (fr) Joncteur d'abonne telephonique
FI812856L (fi) Planetackumulator foer "sz" tvinning
BE877159A (fr) Dispositif d'hemodialyse
IT8021909A0 (it) Dispositivo per l'immagazzinamento di nastro.
IT8423106A1 (it) Apparecchio di segreteria telefonica con elaborazione distribuita per l'impiego con sistema di segreteria telefonica
ES508353A0 (es) "perfeccionamientos en los sistemas electricos ecologicos ahuyentadores".

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931129