NL7710118A - Telecommunicatiecentrale. - Google Patents

Telecommunicatiecentrale.

Info

Publication number
NL7710118A
NL7710118A NL7710118A NL7710118A NL7710118A NL 7710118 A NL7710118 A NL 7710118A NL 7710118 A NL7710118 A NL 7710118A NL 7710118 A NL7710118 A NL 7710118A NL 7710118 A NL7710118 A NL 7710118A
Authority
NL
Netherlands
Prior art keywords
telecommunications center
telecommunications
center
Prior art date
Application number
NL7710118A
Other languages
English (en)
Dutch (nl)
Original Assignee
Gen Electric Co Ltd
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 Gen Electric Co Ltd filed Critical Gen Electric Co Ltd
Publication of NL7710118A publication Critical patent/NL7710118A/xx

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)
NL7710118A 1976-09-17 1977-09-15 Telecommunicatiecentrale. NL7710118A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38555/76A GB1584778A (en) 1976-09-17 1976-09-17 Telecommunication exchanges

Publications (1)

Publication Number Publication Date
NL7710118A true NL7710118A (nl) 1978-03-21

Family

ID=10404250

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7710118A NL7710118A (nl) 1976-09-17 1977-09-15 Telecommunicatiecentrale.

Country Status (8)

Country Link
BE (1) BE858816A (sv)
CA (1) CA1089131A (sv)
DE (1) DE2741667A1 (sv)
FR (1) FR2365252A1 (sv)
GB (1) GB1584778A (sv)
NL (1) NL7710118A (sv)
SE (1) SE425537B (sv)
ZA (1) ZA775490B (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254305A (en) * 1979-02-07 1981-03-03 International Telephone And Telegraph Corporation Current limited subscriber line feed circuit
US4272648A (en) * 1979-11-28 1981-06-09 International Telephone And Telegraph Corporation Gain control apparatus for digital telephone line circuits
DE3902439A1 (de) * 1989-01-27 1990-08-02 Basf Ag Pflanzenschuetzende mittel auf basis von 1-aryl- bzw. 1-hetarylimidazolcarbonsaeureestern
US5274703A (en) * 1991-05-23 1993-12-28 At&T Bell Laboratories Automatic loss control circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299735B (de) * 1965-08-04 1969-07-24 Siemens Ag Schaltungsanordnung fuer Fernsprechanlagen, insbesondere Nebenstellenanlagen mit Sprechstellen, die einen selbsttaetigen Daempfungsausgleich aufweisen
US3781481A (en) * 1971-09-30 1973-12-25 Stromberg Carlson Corp Amplifier select and control circuit
DE2250651B2 (de) * 1972-10-16 1975-06-19 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung für den Dämpfungsausgleich in einer Nebenstellenanlage mit vierdrähtigen Verbindungswegen
DE2347696C3 (de) * 1973-09-21 1978-12-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Speisen von Teilnehmeranschlußleitungen in Fernsprechvermittlungsanlagen
US3903378A (en) * 1974-03-27 1975-09-02 Gte Automatic Electric Lab Inc Arrangement for controlling the gain of two-way amplifiers in accordance with loop lengths

Also Published As

Publication number Publication date
DE2741667A1 (de) 1978-03-23
SE7710346L (sv) 1978-03-18
FR2365252B1 (sv) 1982-03-26
BE858816A (fr) 1978-01-16
GB1584778A (en) 1981-02-18
ZA775490B (en) 1978-07-26
FR2365252A1 (fr) 1978-04-14
CA1089131A (en) 1980-11-04
SE425537B (sv) 1982-10-04
DE2741667C2 (sv) 1987-09-24

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
A85 Still pending on 85-01-01
BC A request for examination has been filed
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: GEC PLESSEY TELECOMMUNICATIONS LIMITED

DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: GPT INTERNATIONAL LIMITED

CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: GEC PLESSEY TELECOMMUNICATIONS LIMITED

BV The patent application has lapsed