ES8302395A1 - Procedimiento y dispositivo para el mezclado de senales de baja frecuencia transmitidas por vias temporales diferentes hacia un mismo organo telefonico receptor. - Google Patents

Procedimiento y dispositivo para el mezclado de senales de baja frecuencia transmitidas por vias temporales diferentes hacia un mismo organo telefonico receptor.

Info

Publication number
ES8302395A1
ES8302395A1 ES508907A ES508907A ES8302395A1 ES 8302395 A1 ES8302395 A1 ES 8302395A1 ES 508907 A ES508907 A ES 508907A ES 508907 A ES508907 A ES 508907A ES 8302395 A1 ES8302395 A1 ES 8302395A1
Authority
ES
Spain
Prior art keywords
organ
receiving telephone
procedure
mixing
low frequency
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
ES508907A
Other languages
English (en)
Other versions
ES508907A0 (es
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.)
ALE International SAS
Original Assignee
Telic Alcatel SA
La Telephone Industrielle et Commerciale Telic Alcatel 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 Telic Alcatel SA, La Telephone Industrielle et Commerciale Telic Alcatel SA filed Critical Telic Alcatel SA
Publication of ES508907A0 publication Critical patent/ES508907A0/es
Publication of ES8302395A1 publication Critical patent/ES8302395A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)

Abstract

PROCEDIMIENTO Y DISPOSITIVO PARA EL MEZCLADO DE SEÑALES DE BAJA FRECUENCIA TRANSMITIDAS POR VIAS TEMPORALES DIFERENTES HACIA UN MISMO ORGANO TELEFONICO RECEPTOR. EL PROCESO COMPRENDE LAS SIGUIENTES ETAPAS: PRIMERA, DESCODIFICACION SUCESIVA DE LAS MUESTRAS, RECIBIDAS POR EL ORGANO TELEFONICO RECEPTOR EN EL TRANSCURSO DE CADA TRAMA TEMPORAL, EN IMPULSOS CUYOS VALORES SEAN RESPECTIVAMENTE REPRESENTATIVOS DE LAS MUESTRAS RECIBIDAS Y CUYAS DURACIONES RESPECTIVAS SEAN PEQUEÑAS CON RELACION A LA DURACION DE LA TRAMA PARA LA CITADA CONEXION; SEGUNDA, MEMORIZACION TEMPORAL DE CADA UNO DE LOS IMPULSOS DESCODIFICADOS DURANTE UNA TRAMA; TERCERA, SUMA DE LOS IMPULSOS DESCODIFICADOS RECIBIDOS EN EL TRANSCURSO DE LA TRAMA; Y POR ULTIMO, TRANSMISION DEL IMPULSO SUMA OBTENIDO.
ES508907A 1981-01-21 1982-01-20 Procedimiento y dispositivo para el mezclado de senales de baja frecuencia transmitidas por vias temporales diferentes hacia un mismo organo telefonico receptor. Expired ES8302395A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8101033A FR2498403A1 (fr) 1981-01-21 1981-01-21 Procede et dispositif de melange de signaux basse frequence transmis par des voies temporelles differentes vers un meme organe telephonique recepteur

Publications (2)

Publication Number Publication Date
ES508907A0 ES508907A0 (es) 1982-12-16
ES8302395A1 true ES8302395A1 (es) 1982-12-16

Family

ID=9254350

Family Applications (1)

Application Number Title Priority Date Filing Date
ES508907A Expired ES8302395A1 (es) 1981-01-21 1982-01-20 Procedimiento y dispositivo para el mezclado de senales de baja frecuencia transmitidas por vias temporales diferentes hacia un mismo organo telefonico receptor.

Country Status (10)

Country Link
US (1) US4486879A (es)
JP (1) JPS57184394A (es)
BE (1) BE891682A (es)
DE (1) DE3200934A1 (es)
ES (1) ES8302395A1 (es)
FR (1) FR2498403A1 (es)
GB (1) GB2093665B (es)
IE (1) IE52597B1 (es)
IT (1) IT1154417B (es)
PT (1) PT74314B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4541087A (en) * 1983-06-27 1985-09-10 Confertech International, Inc. Digital teleconferencing control device, system and method
GB2157129A (en) * 1984-04-06 1985-10-16 Standard Telephones Cables Ltd Conference circuit
JPS6112154A (ja) * 1984-06-27 1986-01-20 Nec Corp 電話交換における端末制御方式
US4606021A (en) * 1984-08-17 1986-08-12 Itt Corporation Digital conference circuit
SE449152B (sv) * 1986-03-19 1987-04-06 Paul Gosta Wilhelm Rosen Kommunikationsanleggning innefattande ett flertal enheter vilka kan uppretthalla en konferenskoppling
US4831618A (en) * 1987-11-02 1989-05-16 A G Communication Systems Corporation Additive PCM speaker circuit for a time shared ISDN conference arrangement
DE19716314A1 (de) 1997-04-18 1998-10-22 Alsthom Cge Alcatel Verfahren und Vorrichtung zur Addition von als Abtastwerte vorliegenden Signalen
US20040217666A1 (en) * 2002-12-11 2004-11-04 Ballard Power Systems Corporation Rotor assembly of synchronous machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171896A (en) * 1960-07-26 1965-03-02 Gen Dynamics Corp Time division multiplex communication system conference circuit
US3903372A (en) * 1973-06-05 1975-09-02 North Electric Co Time division multiplex conferencing system
US3889067A (en) * 1973-10-24 1975-06-10 Technology Service Corp Digital telephone switching system
US3983332A (en) * 1974-06-03 1976-09-28 International Business Machines Corporation Conference call circuitry for TDM signal exchange
US3997730A (en) * 1975-08-29 1976-12-14 Bell Telephone Laboratories, Incorporated Time division conference circuit
US4024349A (en) * 1976-04-22 1977-05-17 Bell Telephone Laboratories, Incorporated Quasi-resonant transfer conferencing circuit
DE2915488C2 (de) * 1979-04-17 1982-05-19 Nixdorf Computer Ag, 4790 Paderborn Schaltungsanordnung zur Steuerung der Übertragung von Digital-Signalen, insbesondere PCM-Signalen, zwischen Anschlußstellen eines Zeitmultiplex-Fernmeldenetzes, insbesondere PCM-Zeitmultiplex-Fernmeldenetzes

Also Published As

Publication number Publication date
IT8267024A0 (it) 1982-01-11
JPS57184394A (en) 1982-11-13
PT74314A (fr) 1982-02-01
IT8267024A1 (it) 1983-07-11
DE3200934A1 (de) 1982-12-02
ES508907A0 (es) 1982-12-16
GB2093665B (en) 1985-01-23
FR2498403A1 (fr) 1982-07-23
PT74314B (fr) 1984-06-26
IT1154417B (it) 1987-01-21
IE820105L (en) 1982-07-21
US4486879A (en) 1984-12-04
IE52597B1 (en) 1987-12-23
GB2093665A (en) 1982-09-02
BE891682A (fr) 1982-07-05

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