[go: up one dir, main page]

PT85199A - Sistema de circuitos para a separacao dos fios de uma linha de ligacao de assinante do circuito de alimentacao - Google Patents

Sistema de circuitos para a separacao dos fios de uma linha de ligacao de assinante do circuito de alimentacao

Info

Publication number
PT85199A
PT85199A PT8519987A PT8519987A PT85199A PT 85199 A PT85199 A PT 85199A PT 8519987 A PT8519987 A PT 8519987A PT 8519987 A PT8519987 A PT 8519987A PT 85199 A PT85199 A PT 85199A
Authority
PT
Portugal
Prior art keywords
circuit
wires
separation
subscriber line
food
Prior art date
Application number
PT8519987A
Other languages
English (en)
Inventor
Hans-Werner Rudolf
Harald Stader
Marco Siligoni
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 PT85199A publication Critical patent/PT85199A/pt

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
PT8519987A 1986-06-30 1987-06-29 Sistema de circuitos para a separacao dos fios de uma linha de ligacao de assinante do circuito de alimentacao PT85199A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3621890 1986-06-30

Publications (1)

Publication Number Publication Date
PT85199A true PT85199A (pt) 1988-07-01

Family

ID=6304039

Family Applications (1)

Application Number Title Priority Date Filing Date
PT8519987A PT85199A (pt) 1986-06-30 1987-06-29 Sistema de circuitos para a separacao dos fios de uma linha de ligacao de assinante do circuito de alimentacao

Country Status (7)

Country Link
EP (1) EP0251038A1 (pt)
JP (1) JPS6313564A (pt)
AR (1) AR241360A1 (pt)
BR (1) BR8703294A (pt)
DK (1) DK333087A (pt)
FI (1) FI872865A (pt)
PT (1) PT85199A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1227970B (it) * 1988-10-31 1991-05-20 Sgs Thomson Microelectronics Metodo per la riduzione della potenza assorbita da un circuito integrato di interfaccia, predisposto a riposo, incorporato in una centralina telefonica e collegato ad una linea telefonica d'utente, e dispositivo circuitale operante secondo tale metodo
USRE35582E (en) * 1988-10-31 1997-08-12 Sgs-Thomson Microelectronics S.R.L. Subscriber line interface circuit with power-down mode

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1583634A (en) * 1977-03-02 1981-01-28 Int Standard Electric Corp Subscriber line/trunk circuit
FR2382810A1 (fr) * 1977-03-02 1978-09-29 Labo Cent Telecommunicat Circuit d'alimentation de ligne telephonique avec protection
US4170740A (en) * 1978-02-24 1979-10-09 International Telephone And Telegraph Corporation High voltage switch and capacitive drive
US4665547A (en) * 1984-11-02 1987-05-12 At&T Company Limiting amplifier for common mode feedback in telephone line feed circuits

Also Published As

Publication number Publication date
DK333087D0 (da) 1987-06-29
EP0251038A1 (de) 1988-01-07
AR241360A1 (es) 1992-05-29
FI872865A (fi) 1987-12-31
BR8703294A (pt) 1988-03-15
FI872865A0 (fi) 1987-06-29
JPS6313564A (ja) 1988-01-20
DK333087A (da) 1987-12-31

Similar Documents

Publication Publication Date Title
BR8802087A (pt) Sistema de medicao eletrico auto-energizado
DE3752343D1 (de) Bezahlfernsehsystem
DK183687A (da) Automatisk koed-indstopningsapparat
DE3650486D1 (de) Videobildgestaltungssysteme
DK9587D0 (da) Apparatur til enteral ernaering
FR2549457B1 (fr) Dispositif de recherche d'extremite de fil
IT1203854B (it) Circuito di rivelazione di sincronizzazione
DK298588A (da) Laegemiddel indeholdende alfa-halogenerede dicarbonsyrer
FI832974A0 (fi) Anordning foer separering av avfallsprodukter fraon fluidum- och gasstroem
BR8601996A (pt) Circuito de processamento de sinal analogo
NO841976L (no) Synkroniseringssystem
BR8207720A (pt) Circuito de medicao de impedancia
IT1204786B (it) Sistema di retroperfusione di sangue
IT1190031B (it) Circuito di collegamento
BR8601997A (pt) Circuito de supervisao
PT85199A (pt) Sistema de circuitos para a separacao dos fios de uma linha de ligacao de assinante do circuito de alimentacao
KR890700876A (ko) 비디오 시스템
BR8406995A (pt) Circuito de dois fios que possui um intervalo ajustavel
IT9067404A0 (it) circuito
DK685987D0 (da) Segmentdeskriptorenhed
IT1155665B (it) Circuito di sincronizzazione
KR860006182A (ko) 텔레비젼 동기신호 처리장치
ES553239A0 (es) Circuito de deflexion horizontal
BR8706008A (pt) Circuito multiplexador
DE3768347D1 (de) Aufbau fuer zentrifugalabscheidegehaeuse.

Legal Events

Date Code Title Description
FC3A Refusal

Effective date: 19940302