PT89602A - Instalacao de comutacao para aparelhos telefonicos - Google Patents

Instalacao de comutacao para aparelhos telefonicos

Info

Publication number
PT89602A
PT89602A PT89602A PT8960289A PT89602A PT 89602 A PT89602 A PT 89602A PT 89602 A PT89602 A PT 89602A PT 8960289 A PT8960289 A PT 8960289A PT 89602 A PT89602 A PT 89602A
Authority
PT
Portugal
Prior art keywords
telecommunications
installation
Prior art date
Application number
PT89602A
Other languages
English (en)
Other versions
PT89602B (pt
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
Publication of PT89602A publication Critical patent/PT89602A/pt
Publication of PT89602B publication Critical patent/PT89602B/pt

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)
PT89602A 1988-02-04 1989-02-02 Instalacao de comutacao para aparelhos telefonicos PT89602B (pt)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
PT89602A true PT89602A (pt) 1989-10-04
PT89602B PT89602B (pt) 1995-03-01

Family

ID=6346867

Family Applications (1)

Application Number Title Priority Date Filing Date
PT89602A PT89602B (pt) 1988-02-04 1989-02-02 Instalacao de comutacao para aparelhos telefonicos

Country Status (12)

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

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
DE4405037A1 (de) * 1994-02-17 1995-08-24 Sel Alcatel Ag Netz- und Vorfeldabschlußeinrichtung eines Telekommunikationsnetzes
AU692201B2 (en) * 1994-02-17 1998-06-04 Alcatel N.V. Network termination unit
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

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810709B2 (de) * 1978-03-11 1981-02-12 Schaltbau Gesellschaft Mbh, 8000 Muenchen Anordnung zum Schalten der Stromversorgung für Zusatzgeräte von Fernsprechanlagen
DE3066891D1 (en) * 1980-02-28 1984-04-12 Ant Nachrichtentech Arrangement for powering a subscriber unit
AU553442B2 (en) * 1981-05-29 1986-07-17 Standard Telephones And Cables Pty. Limited Constant output polarity circuit
DE3311385C2 (de) * 1983-03-29 1985-07-04 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren zum Betreiben von Endgeräten eines digitalen Teilnehmeranschlusses
DE3322152C2 (de) * 1983-06-21 1986-09-04 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren und Schaltungsanordnung zum Betreiben von Endgeräten eines digitalen Teilnehmeranschlusses
DE3416828A1 (de) * 1984-05-07 1985-11-07 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Digitales fernsprechteilnehmergeraet

Also Published As

Publication number Publication date
ES2010124A6 (es) 1989-10-16
GR890100062A (el) 1994-03-31
NL8900167A (nl) 1989-09-01
PT89602B (pt) 1995-03-01
DK44089D0 (da) 1989-02-01
GB8902222D0 (en) 1989-03-22
DE3803710A1 (de) 1989-08-17
DK44089A (da) 1989-08-05
IT8919276A0 (it) 1989-02-01
IT1228171B (it) 1991-06-04
GB2215562A (en) 1989-09-20
IE890224L (en) 1989-08-04
BE1001445A3 (fr) 1989-10-31
LU87426A1 (de) 1989-06-14
FR2628275A1 (fr) 1989-09-08
GB2215562B (en) 1992-02-12

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19940801

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19960229