SE440304B - Telefonabonnentvexel for anslutning till en pupiniserad ledning - Google Patents

Telefonabonnentvexel for anslutning till en pupiniserad ledning

Info

Publication number
SE440304B
SE440304B SE7905902A SE7905902A SE440304B SE 440304 B SE440304 B SE 440304B SE 7905902 A SE7905902 A SE 7905902A SE 7905902 A SE7905902 A SE 7905902A SE 440304 B SE440304 B SE 440304B
Authority
SE
Sweden
Prior art keywords
coil
capacitance
telephone
subscriber
parallel
Prior art date
Application number
SE7905902A
Other languages
English (en)
Swedish (sv)
Other versions
SE7905902L (sv
Inventor
R Forster
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 SE7905902L publication Critical patent/SE7905902L/
Publication of SE440304B publication Critical patent/SE440304B/sv

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)
  • Meter Arrangements (AREA)
  • Cable Accessories (AREA)
  • Insulated Conductors (AREA)
  • Telephonic Communication Services (AREA)
  • Interface Circuits In Exchanges (AREA)
SE7905902A 1978-07-07 1979-07-06 Telefonabonnentvexel for anslutning till en pupiniserad ledning SE440304B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH741478A CH632624A5 (en) 1978-07-07 1978-07-07 Telephone subscriber filter with charge pulse blocking filter for connection to a coil-loaded line

Publications (2)

Publication Number Publication Date
SE7905902L SE7905902L (sv) 1980-01-08
SE440304B true SE440304B (sv) 1985-07-22

Family

ID=4324754

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7905902A SE440304B (sv) 1978-07-07 1979-07-06 Telefonabonnentvexel for anslutning till en pupiniserad ledning

Country Status (6)

Country Link
AU (1) AU526266B2 (fr)
BE (1) BE893341A (fr)
CH (1) CH632624A5 (fr)
FR (1) FR2430698A1 (fr)
NO (1) NO148239C (fr)
SE (1) SE440304B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06217062A (ja) * 1993-01-20 1994-08-05 Canon Inc Ｎｃｕ回路およびファクシミリ装置
US6567519B1 (en) * 1999-05-28 2003-05-20 Cisco Technology, Inc. System and method for processing an input signal communicated on a telephone line
US6728367B1 (en) * 2000-03-09 2004-04-27 Adc Telecommunications, Inc. Apparatus and method for filtering voiceband and metering tone frequencies of a mixed voice/data signal
WO2003007587A2 (fr) * 2001-07-13 2003-01-23 Centillium Communications, Inc. Application de tonalites de mesure a une linge d'acces numerique (dsl) et systeme de communications vocal

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2071282A5 (fr) * 1969-12-23 1971-09-17 Cit Alcatel

Also Published As

Publication number Publication date
FR2430698B1 (fr) 1984-04-13
SE7905902L (sv) 1980-01-08
NO148239B (no) 1983-05-24
BE893341A (fr) 1982-09-16
FR2430698A1 (fr) 1980-02-01
AU4863379A (en) 1980-01-10
AU526266B2 (en) 1982-12-23
NO792256L (no) 1980-01-08
NO148239C (no) 1983-08-31
CH632624A5 (en) 1982-10-15

Similar Documents

Publication Publication Date Title
CA1298346C (fr) Protection des lignes de communication contre les parasites transitoires
DE2953171A1 (en) Driving point impedance
DE2847487A1 (de) Fernsprechapparat aus einem grundapparat und einem schnurlosen handapparat
JPH02295395A (ja) ラインインタフェース回路
SE440304B (sv) Telefonabonnentvexel for anslutning till en pupiniserad ledning
DE2953174A1 (en) Frequency-sensitive electronic hybrid
DE60124067T2 (de) Hybridschaltung für Breitbandmodem
JPH07240652A (ja) 平衡−不平衡変換器
JP3151232B2 (ja) 二線‐四線変換器
US6566947B2 (en) Combined active impedance and filter in line drivers
GB541438A (en) Carrier lead-in cable loading systems
EP0040785B1 (fr) Circuit hybride sans transformateur
US5073924A (en) Telephone line noise filter apparatus
US3987253A (en) Hybrid coupling for telecommunication system
US3413413A (en) Switching arrangement for the transmission of direct current telegraph signal units
US3548111A (en) Impedance-matching arrangement for telephone circuit
US1432781A (en) Means fob
JPS6230546B2 (fr)
EP1155507B1 (fr) Circuit pour transmettre conjointement des signaux vocaux et des donnees sur une ligne telephonique
EP0630143B1 (fr) Circuit pour l'alimentation des terminaux numériques de télécommunication
DE3139598A1 (de) Schaltungsanordnung zur fernmeldeverkehrserfassung
DE459292C (de) Hochfrequenz-Nachrichtensystem
DE743754C (de) Elektrische Schallquelle mit gleichfoermigem Geraeuschspektrum
CA1165914A (fr) Dispositif pour injecter des signaux dans une ligne bifilaire ou en extraire
AT401839B (de) Schaltungsanordnung zum komplexen leitungsabschluss einer an eine kommunikationseinrichtung angeschlossene zweidrahtleitung

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7905902-8

Effective date: 19880620

Format of ref document f/p: F