ES474971A1 - Un circuito de entrada para un receptor de senales en insta-laciones telefonicas - Google Patents

Un circuito de entrada para un receptor de senales en insta-laciones telefonicas

Info

Publication number
ES474971A1
ES474971A1 ES474971A ES474971A ES474971A1 ES 474971 A1 ES474971 A1 ES 474971A1 ES 474971 A ES474971 A ES 474971A ES 474971 A ES474971 A ES 474971A ES 474971 A1 ES474971 A1 ES 474971A1
Authority
ES
Spain
Prior art keywords
winding
signal receiver
translation
machine
legally binding
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
ES474971A
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.)
Sodeco Saia AG
Societe des Compteurs de Geneve SODECO
Original Assignee
Sodeco Saia AG
Societe des Compteurs de Geneve SODECO
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 Sodeco Saia AG, Societe des Compteurs de Geneve SODECO filed Critical Sodeco Saia AG
Publication of ES474971A1 publication Critical patent/ES474971A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Set Structure (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Burglar Alarm Systems (AREA)
  • Pens And Brushes (AREA)

Abstract

Un circuito de entrada para un receptor en instalaciones telefónicas, que está provisto de un transformador cuyo primario está conectado a través de un condensador a la alimentación del teléfono y cuyo secundario está conectado, con un condensador conectado en paralelo, al receptor de las señales, caracterizado porque uno de los arrollamientos del transformador, que tiene un único núcleo de tres brazos, se compone de dos partes de arrollamiento que tienen un número distinto de espiras, dispuestas sobre los brazos externos del núcleo de tres brazos, a ambos lados del brazo intermedio que lleva el otro arrollamiento.
ES474971A 1977-11-11 1978-11-10 Un circuito de entrada para un receptor de senales en insta-laciones telefonicas Expired ES474971A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1376677A CH622655A5 (en) 1977-11-11 1977-11-11 Input circuit for a signal receiver in telephone systems

Publications (1)

Publication Number Publication Date
ES474971A1 true ES474971A1 (es) 1979-03-16

Family

ID=4395116

Family Applications (1)

Application Number Title Priority Date Filing Date
ES474971A Expired ES474971A1 (es) 1977-11-11 1978-11-10 Un circuito de entrada para un receptor de senales en insta-laciones telefonicas

Country Status (6)

Country Link
CH (1) CH622655A5 (es)
DE (1) DE2810133C2 (es)
ES (1) ES474971A1 (es)
FR (1) FR2408947A1 (es)
IT (1) IT1101021B (es)
NO (1) NO783747L (es)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1294487B (de) * 1967-08-12 1969-05-08 Telefonbau & Normalzeit Gmbh Schaltungsanordnung fuer einen Transistorverstaerker fuer Fernsprechstellen mit Gebuehrenzaehler

Also Published As

Publication number Publication date
NO783747L (no) 1979-05-14
DE2810133C2 (de) 1979-10-04
IT1101021B (it) 1985-09-28
DE2810133B1 (de) 1978-12-21
FR2408947B1 (es) 1982-05-21
FR2408947A1 (fr) 1979-06-08
IT7829553A0 (it) 1978-11-08
CH622655A5 (en) 1981-04-15

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