BE1001445A3 - Disposition de circuit pour terminaux telephoniques. - Google Patents

Disposition de circuit pour terminaux telephoniques. Download PDF

Info

Publication number
BE1001445A3
BE1001445A3 BE8900099A BE8900099A BE1001445A3 BE 1001445 A3 BE1001445 A3 BE 1001445A3 BE 8900099 A BE8900099 A BE 8900099A BE 8900099 A BE8900099 A BE 8900099A BE 1001445 A3 BE1001445 A3 BE 1001445A3
Authority
BE
Belgium
Prior art keywords
transistor
supply
thyristor
supply conductor
network
Prior art date
Application number
BE8900099A
Other languages
English (en)
French (fr)
Inventor
Benno Carolus
Gunter Korner
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
Application granted granted Critical
Publication of BE1001445A3 publication Critical patent/BE1001445A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE8900099A 1988-02-04 1989-02-01 Disposition de circuit pour terminaux telephoniques. BE1001445A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3803710A DE3803710A1 (de) 1988-02-04 1988-02-04 Schaltungsanordnung fuer fernsprechendgeraete

Publications (1)

Publication Number Publication Date
BE1001445A3 true BE1001445A3 (fr) 1989-10-31

Family

ID=6346867

Family Applications (1)

Application Number Title Priority Date Filing Date
BE8900099A BE1001445A3 (fr) 1988-02-04 1989-02-01 Disposition de circuit pour terminaux telephoniques.

Country Status (12)

Country Link
BE (1) BE1001445A3 (de)
DE (1) DE3803710A1 (de)
DK (1) DK44089A (de)
ES (1) ES2010124A6 (de)
FR (1) FR2628275A1 (de)
GB (1) GB2215562B (de)
GR (1) GR890100062A (de)
IE (1) IE890224L (de)
IT (1) IT1228171B (de)
LU (1) LU87426A1 (de)
NL (1) NL8900167A (de)
PT (1) PT89602B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT398665B (de) * 1991-08-23 1995-01-25 Kapsch Ag Isdn-abschlusseinrichtung
DE4217857A1 (de) * 1992-05-29 1993-12-02 Sel Alcatel Ag Schaltungsanordnung zur Reduzierung von Stromverbrauch
AU692201B2 (en) * 1994-02-17 1998-06-04 Alcatel N.V. Network termination unit
DE4405037A1 (de) * 1994-02-17 1995-08-24 Sel Alcatel Ag Netz- und Vorfeldabschlußeinrichtung eines Telekommunikationsnetzes
FR2725333B1 (fr) * 1994-09-30 1996-12-13 Ind Tech Res Inst Procede et appareil pour la gestion de la puissance et la commande d'un reseau telephonique rnis
CN1319272C (zh) * 2003-01-09 2007-05-30 瑞昱半导体股份有限公司 能在高电压下操作的电路装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810709A1 (de) * 1978-03-11 1979-09-20 Schaltbau Gmbh Vorrichtung zum schalten der stromversorgung fuer zusatzgeraete von fernsprechanlagen
EP0035067A1 (de) * 1980-02-28 1981-09-09 ANT Nachrichtentechnik GmbH Anordnung zur Speisung einer Teilnehmereinrichtung
AU8406282A (en) * 1981-05-29 1982-12-02 Standard Telephones And Cables Pty. Limited Constant output polarity circuit
DE3322152A1 (de) * 1983-06-21 1985-01-17 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren und schaltungsanordnung zum betreiben von endgeraeten eines digitalen teilnehmeranschlusses

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311385C2 (de) * 1983-03-29 1985-07-04 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren zum Betreiben von Endgeräten eines digitalen Teilnehmeranschlusses
DE3416828A1 (de) * 1984-05-07 1985-11-07 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Digitales fernsprechteilnehmergeraet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810709A1 (de) * 1978-03-11 1979-09-20 Schaltbau Gmbh Vorrichtung zum schalten der stromversorgung fuer zusatzgeraete von fernsprechanlagen
EP0035067A1 (de) * 1980-02-28 1981-09-09 ANT Nachrichtentechnik GmbH Anordnung zur Speisung einer Teilnehmereinrichtung
AU8406282A (en) * 1981-05-29 1982-12-02 Standard Telephones And Cables Pty. Limited Constant output polarity circuit
DE3322152A1 (de) * 1983-06-21 1985-01-17 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren und schaltungsanordnung zum betreiben von endgeraeten eines digitalen teilnehmeranschlusses

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CONFERENCE PROCEEDINGS, INTELEC '86, INTERNATIONAL COMMUNICATIONS ENERGY CONFERENCE, 19-22 octobre 1986, Toronto, pages 197-202, IEEE, New York, US; R. SIGLOCH: "Requirements for small high efficiency DC/DC converters in complex communication networks" *

Also Published As

Publication number Publication date
IE890224L (en) 1989-08-04
DK44089D0 (da) 1989-02-01
DK44089A (da) 1989-08-05
GB2215562A (en) 1989-09-20
ES2010124A6 (es) 1989-10-16
IT1228171B (it) 1991-06-04
FR2628275A1 (fr) 1989-09-08
LU87426A1 (de) 1989-06-14
GB2215562B (en) 1992-02-12
DE3803710A1 (de) 1989-08-17
GR890100062A (el) 1994-03-31
GB8902222D0 (en) 1989-03-22
PT89602A (pt) 1989-10-04
NL8900167A (nl) 1989-09-01
PT89602B (pt) 1995-03-01
IT8919276A0 (it) 1989-02-01

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