FI904741A0 - Abonnentanslutningskrets foer anslutning av en abonnentledning till en central av ett digitalt tidsmultiplextelekommunikationssystem. - Google Patents

Abonnentanslutningskrets foer anslutning av en abonnentledning till en central av ett digitalt tidsmultiplextelekommunikationssystem.

Info

Publication number
FI904741A0
FI904741A0 FI904741A FI904741A FI904741A0 FI 904741 A0 FI904741 A0 FI 904741A0 FI 904741 A FI904741 A FI 904741A FI 904741 A FI904741 A FI 904741A FI 904741 A0 FI904741 A0 FI 904741A0
Authority
FI
Finland
Prior art keywords
circuit
tidsmultiplextelekommunikationssystem
abonnentledning
abonnentanslutningskrets
till
Prior art date
Application number
FI904741A
Other languages
English (en)
Inventor
Walter Ossler
Hans-Werner Rudolf
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of FI904741A0 publication Critical patent/FI904741A0/fi

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Paints Or Removers (AREA)
  • Lubricants (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
FI904741A 1989-09-27 1990-09-26 Abonnentanslutningskrets foer anslutning av en abonnentledning till en central av ett digitalt tidsmultiplextelekommunikationssystem. FI904741A0 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3932257 1989-09-27

Publications (1)

Publication Number Publication Date
FI904741A0 true FI904741A0 (fi) 1990-09-26

Family

ID=6390309

Family Applications (1)

Application Number Title Priority Date Filing Date
FI904741A FI904741A0 (fi) 1989-09-27 1990-09-26 Abonnentanslutningskrets foer anslutning av en abonnentledning till en central av ett digitalt tidsmultiplextelekommunikationssystem.

Country Status (5)

Country Link
EP (1) EP0419935B1 (fi)
AT (1) ATE110213T1 (fi)
DE (1) DE59006825D1 (fi)
ES (1) ES2059941T3 (fi)
FI (1) FI904741A0 (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819209C2 (de) * 1998-04-29 2000-07-06 Siemens Ag Anordnung zum Messen von Fremdspannungen auf Anschlußleitungen in einem Teilnehmeranschlußmodul
DE19918512C1 (de) * 1999-04-23 2000-11-16 Daimler Chrysler Ag Schaltungsanordnung mit einer Reduktionsschaltung zur Reduktion von Störlängsspannungen auf einer Zweidrahtleitung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3036686C2 (de) * 1980-09-29 1983-12-01 Siemens AG, 1000 Berlin und 8000 München Teilnehmeranschlußschaltung
ATE70681T1 (de) * 1985-05-17 1992-01-15 Alcatel Nv Fernmeldeleitungsschaltung.
DE3684744D1 (de) * 1985-09-30 1992-05-14 Siemens Ag Schaltungsanordnung fuer eine elektronische schnittstellenschaltung.

Also Published As

Publication number Publication date
ES2059941T3 (es) 1994-11-16
ATE110213T1 (de) 1994-09-15
DE59006825D1 (de) 1994-09-22
EP0419935A2 (de) 1991-04-03
EP0419935B1 (de) 1994-08-17
EP0419935A3 (en) 1991-10-02

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT