AT250454B - Circuit arrangement for feeding the subscriber stations in telecommunication systems, in particular telephone systems - Google Patents

Circuit arrangement for feeding the subscriber stations in telecommunication systems, in particular telephone systems

Info

Publication number
AT250454B
AT250454B AT398465A AT398465A AT250454B AT 250454 B AT250454 B AT 250454B AT 398465 A AT398465 A AT 398465A AT 398465 A AT398465 A AT 398465A AT 250454 B AT250454 B AT 250454B
Authority
AT
Austria
Prior art keywords
systems
feeding
circuit arrangement
subscriber stations
particular telephone
Prior art date
Application number
AT398465A
Other languages
German (de)
Original Assignee
Telefunken Patent
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 Telefunken Patent filed Critical Telefunken Patent
Application granted granted Critical
Publication of AT250454B publication Critical patent/AT250454B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/001—Current supply source at the exchanger providing current to substations
    • H04M19/005—Feeding arrangements without the use of line transformers
AT398465A 1964-05-21 1965-04-30 Circuit arrangement for feeding the subscriber stations in telecommunication systems, in particular telephone systems AT250454B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DET26230A DE1199827B (en) 1964-05-21 1964-05-21 Circuit arrangement for the supply of the subscriber stations in telecommunication systems, especially telephone systems

Publications (1)

Publication Number Publication Date
AT250454B true AT250454B (en) 1966-11-10

Family

ID=7552627

Family Applications (1)

Application Number Title Priority Date Filing Date
AT398465A AT250454B (en) 1964-05-21 1965-04-30 Circuit arrangement for feeding the subscriber stations in telecommunication systems, in particular telephone systems

Country Status (4)

Country Link
AT (1) AT250454B (en)
CH (1) CH420283A (en)
DE (1) DE1199827B (en)
GB (1) GB1059014A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2326091A1 (en) * 1975-09-23 1977-04-22 Labo Cent Telecommunicat Telephone terminal telesupply unit - is connected to telephone line and can supply current from two sources
NL7602292A (en) * 1976-03-05 1977-09-07 Philips Nv POWER SUPPLY BRIDGE.
IT1159706B (en) * 1978-06-02 1987-03-04 Cselt Centro Studi Lab Telecom USER LINE ELECTRONIC TELEPHONE CIRCUIT
DE2838038A1 (en) * 1978-08-31 1980-03-13 Siemens Ag Input circuit for telephone wire connection - has transistors, connected via collectors, to two wire and via transformer to four wire cable with supply to base and emitters
DE3032970A1 (en) * 1980-09-02 1982-04-15 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Balanced signal derived from telephone line - has operational amplifier between constant current generators with input connection to potential divider
DE3037972C2 (en) * 1980-10-08 1982-09-16 Standard Elektrik Lorenz Ag, 7000 Stuttgart Circuit arrangement for feeding a variable resistor via two variable feeding resistors, in particular for feeding subscriber lines in telephone exchanges

Also Published As

Publication number Publication date
DE1199827B (en) 1965-09-02
CH420283A (en) 1966-09-15
GB1059014A (en) 1967-02-15

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