IT1101021B - Circuito di entrata per un ricevitore di segnali in impianti telefonici - Google Patents

Circuito di entrata per un ricevitore di segnali in impianti telefonici

Info

Publication number
IT1101021B
IT1101021B IT29553/78A IT2955378A IT1101021B IT 1101021 B IT1101021 B IT 1101021B IT 29553/78 A IT29553/78 A IT 29553/78A IT 2955378 A IT2955378 A IT 2955378A IT 1101021 B IT1101021 B IT 1101021B
Authority
IT
Italy
Prior art keywords
signal receiver
telephone systems
entry circuit
entry
circuit
Prior art date
Application number
IT29553/78A
Other languages
English (en)
Other versions
IT7829553A0 (it
Original Assignee
Sodeco Compteurs De Geneve
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 Compteurs De Geneve filed Critical Sodeco Compteurs De Geneve
Publication of IT7829553A0 publication Critical patent/IT7829553A0/it
Application granted granted Critical
Publication of IT1101021B publication Critical patent/IT1101021B/it

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)
  • Burglar Alarm Systems (AREA)
  • Pens And Brushes (AREA)
  • Coils Or Transformers For Communication (AREA)
IT29553/78A 1977-11-11 1978-11-08 Circuito di entrata per un ricevitore di segnali in impianti telefonici IT1101021B (it)

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 (2)

Publication Number Publication Date
IT7829553A0 IT7829553A0 (it) 1978-11-08
IT1101021B true IT1101021B (it) 1985-09-28

Family

ID=4395116

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29553/78A IT1101021B (it) 1977-11-11 1978-11-08 Circuito di entrata per un ricevitore di segnali in impianti telefonici

Country Status (6)

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

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
ES474971A1 (es) 1979-03-16
DE2810133C2 (de) 1979-10-04
CH622655A5 (en) 1981-04-15
IT7829553A0 (it) 1978-11-08
NO783747L (no) 1979-05-14
FR2408947A1 (fr) 1979-06-08
DE2810133B1 (de) 1978-12-21
FR2408947B1 (it) 1982-05-21

Similar Documents

Publication Publication Date Title
GB2005519B (en) Electronic surveillance systems
FR2407624B1 (fr) Dispositif de conference pour un systeme de telecommunications
IT1097368B (it) Ricevitore di segnali multifrequenza
IT1095912B (it) Circuito di elaborazione di segnali video
IT7849049A0 (it) Circuito misuratore di frequenza per ricevitore radar passivo
IT1111025B (it) Blocchi di raccordo per impianti telefonici
IT1063168B (it) Antenna telescopica per un ricevitore di segnali
IT1099398B (it) Circuito di protezione per un ricevitore televisivo
JPS52114315A (en) Circuit for detecting input signal effective peak
AT364392B (de) Empfaengerschaltung fuer telefon-gebuehrenimpulse
IT1108832B (it) Segmento di permutatore per impianti di commutazione telefonica
IT1101021B (it) Circuito di entrata per un ricevitore di segnali in impianti telefonici
IT1112662B (it) Circuito di linea telefonica
BE858262A (fr) Circuit de ligne telephonique
IT7867557A0 (it) Disposizione circuitale per ottenere un segnale di protezione per un cinescopio televisivo
AT374645B (de) Schaltungsanordnung fuer einen rundfunkempfaenger
IT1192273B (it) Circuito ricevitore
GB2040587B (en) Circuit arrangements for detecting sighting errors in aerials for a telecommunication systems
IT1099713B (it) Ricevitore secondario per apparecchi telefonici
IT1086992B (it) Circuito di sintonizzazione per un ricevitore eterodina
IT1094937B (it) Dispositivo limitatore di sovratensione per impianti telefonici di tipo elettronico
JPS5313804A (en) Telemeter system using extension circuit
IT7826456A0 (it) Generatore di segnali verticali a rampa per ricevitori televisivi.
IT1081975B (it) Posto telefonico per impianti telefonici
IT1156968B (it) Selettore elettronico per impianti telefonici