BE861297A - CIRCUIT SYSTEM FOR AN ELECTRONIC POWER SUPPLY DEVICE FOR SUBSCRIBER FACILITIES - Google Patents

CIRCUIT SYSTEM FOR AN ELECTRONIC POWER SUPPLY DEVICE FOR SUBSCRIBER FACILITIES

Info

Publication number
BE861297A
BE861297A BE183007A BE183007A BE861297A BE 861297 A BE861297 A BE 861297A BE 183007 A BE183007 A BE 183007A BE 183007 A BE183007 A BE 183007A BE 861297 A BE861297 A BE 861297A
Authority
BE
Belgium
Prior art keywords
power supply
supply device
circuit system
electronic power
subscriber facilities
Prior art date
Application number
BE183007A
Other languages
French (fr)
Original Assignee
Deutsche Telephonwerk Kabel
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 Deutsche Telephonwerk Kabel filed Critical Deutsche Telephonwerk Kabel
Publication of BE861297A publication Critical patent/BE861297A/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
    • H04M19/005—Feeding arrangements without the use of line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE183007A 1976-12-02 1977-11-29 CIRCUIT SYSTEM FOR AN ELECTRONIC POWER SUPPLY DEVICE FOR SUBSCRIBER FACILITIES BE861297A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762655005 DE2655005C3 (en) 1976-12-02 1976-12-02 Circuit arrangement for an electronic subscriber feed

Publications (1)

Publication Number Publication Date
BE861297A true BE861297A (en) 1978-03-16

Family

ID=5994663

Family Applications (1)

Application Number Title Priority Date Filing Date
BE183007A BE861297A (en) 1976-12-02 1977-11-29 CIRCUIT SYSTEM FOR AN ELECTRONIC POWER SUPPLY DEVICE FOR SUBSCRIBER FACILITIES

Country Status (13)

Country Link
AT (1) AT363523B (en)
BE (1) BE861297A (en)
CA (1) CA1111586A (en)
CH (1) CH630209A5 (en)
DE (1) DE2655005C3 (en)
DK (1) DK533777A (en)
FR (1) FR2373201A1 (en)
GB (1) GB1587868A (en)
IE (1) IE45750B1 (en)
IT (1) IT1088708B (en)
LU (1) LU78546A1 (en)
NL (1) NL7713305A (en)
SE (1) SE7713728L (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA784547B (en) * 1977-08-17 1979-08-29 Post Office Unbalanced/balanced converter circuits
NL7810086A (en) * 1978-10-06 1980-04-09 Philips Nv POWER BRIDGE FOR A SUBSCRIBER FLOW.
DE3014187C2 (en) * 1980-04-14 1983-11-17 Nixdorf Computer Ag, 4790 Paderborn Circuit arrangement for the two-wire connection of a telephone subscriber to one line each for incoming and incoming signals
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
DE3116783C2 (en) * 1981-04-28 1983-09-01 Standard Elektrik Lorenz Ag, 7000 Stuttgart Circuit arrangement for a subscriber line circuit for telephone systems
US4431868A (en) * 1981-07-09 1984-02-14 International Telephone And Telegraph Corporation Solid state telephone line interface circuit with ringing capability
DE3138726A1 (en) * 1981-09-29 1983-04-07 Siemens AG, 1000 Berlin und 8000 München Subscriber connection circuit for connecting two-wire subscriber connection lines to a four-wire through-connecting digital time division multiplex exchange
DE3214624C2 (en) * 1982-04-20 1986-05-28 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for evaluating subscriber loop states in telephone systems, in particular in telephone branch exchange systems
BR8401869A (en) * 1984-04-23 1985-11-26 Microlab Sa VOICE FREQUENCY REPEATER
FR2564678B1 (en) * 1984-05-18 1986-09-12 Thomson Csf Mat Tel SUBSCRIBER CIRCUIT LINK INTERFACE FOR TELEPHONE SWITCH
DE4306251C1 (en) * 1993-03-01 1994-06-01 Bosch Telecom Telecommunication system user connection line circuitry - indicates status of telephone user connection line according to call signal which switches transistor connected to operational amplifier inputs

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH586983A5 (en) * 1974-12-23 1977-04-15 Ibm
DE2556157C3 (en) * 1975-12-11 1979-01-18 Deutsche Telephonwerke Und Kabelindustrie Ag, 1000 Berlin Circuit arrangement for an electronic subscriber feed

Also Published As

Publication number Publication date
CA1111586A (en) 1981-10-27
DE2655005C3 (en) 1980-04-17
IT1088708B (en) 1985-06-10
DE2655005B2 (en) 1979-08-09
LU78546A1 (en) 1978-04-13
ATA860777A (en) 1981-01-15
IE45750B1 (en) 1982-11-17
NL7713305A (en) 1978-06-06
DK533777A (en) 1978-06-03
CH630209A5 (en) 1982-05-28
IE45750L (en) 1978-06-02
AT363523B (en) 1981-08-10
SE7713728L (en) 1978-06-03
FR2373201A1 (en) 1978-06-30
DE2655005A1 (en) 1978-06-15
GB1587868A (en) 1981-04-08

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