DK241583A - Sloejfekredsloeb til telefonlinie - Google Patents

Sloejfekredsloeb til telefonlinie Download PDF

Info

Publication number
DK241583A
DK241583A DK241583A DK241583A DK241583A DK 241583 A DK241583 A DK 241583A DK 241583 A DK241583 A DK 241583A DK 241583 A DK241583 A DK 241583A DK 241583 A DK241583 A DK 241583A
Authority
DK
Denmark
Prior art keywords
telephone line
vehicle circuit
vehicle
circuit
telephone
Prior art date
Application number
DK241583A
Other languages
Danish (da)
English (en)
Other versions
DK241583D0 (da
Inventor
Bernard Marie Andre Meunier
Original Assignee
Constr Telephoniques
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 Constr Telephoniques filed Critical Constr Telephoniques
Publication of DK241583D0 publication Critical patent/DK241583D0/da
Publication of DK241583A publication Critical patent/DK241583A/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0096—Trunk circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Communication Cables (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
DK241583A 1982-07-07 1983-05-27 Sloejfekredsloeb til telefonlinie DK241583A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8211898A FR2530105B1 (fr) 1982-07-07 1982-07-07 Circuit de boucle pour ligne telephonique

Publications (2)

Publication Number Publication Date
DK241583D0 DK241583D0 (da) 1983-05-27
DK241583A true DK241583A (da) 1984-01-08

Family

ID=9275759

Family Applications (1)

Application Number Title Priority Date Filing Date
DK241583A DK241583A (da) 1982-07-07 1983-05-27 Sloejfekredsloeb til telefonlinie

Country Status (15)

Country Link
US (1) US4535202A (ko)
EP (1) EP0099272A3 (ko)
JP (1) JPS5962289A (ko)
KR (1) KR860001329B1 (ko)
AU (1) AU554170B2 (ko)
BR (1) BR8303407A (ko)
CA (1) CA1206646A (ko)
DK (1) DK241583A (ko)
FR (1) FR2530105B1 (ko)
GR (1) GR78898B (ko)
IN (1) IN159070B (ko)
NO (1) NO831050L (ko)
NZ (1) NZ204604A (ko)
PT (1) PT76601B (ko)
ZA (1) ZA832714B (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564770A (en) * 1983-03-29 1986-01-14 Rca Corporation Solid state relay with fast turnoff
AT393056B (de) * 1985-04-03 1991-08-12 Alcatel Austria Ag Uebertragerschaltung fuer fernsprechnetze
GB2220820B (en) * 1988-07-13 1992-07-08 Philips Electronic Associated Telephone line loop current regulator
JPH05176354A (ja) * 1991-12-20 1993-07-13 Fujitsu Ltd 加入者インタフェース回路
WO1995021485A1 (en) * 1994-02-04 1995-08-10 Adak Communications Corporation Power supply for private branch exchange
US5621731A (en) * 1994-02-04 1997-04-15 Omnilink Communications Corporation Private exchange for ISDN
CA2146596C (en) * 1994-04-29 1999-09-21 Harry W. Moore, Iii Loop current detector
WO2009134151A1 (en) * 2008-04-29 2009-11-05 The University Of Waikato Digital control for controlling and linearizing an ac impedance

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE786341A (fr) * 1971-07-08 1973-01-17 Int Standard Electric Corp Circuit gyrateur a limitation de courant
US3801837A (en) * 1972-12-07 1974-04-02 Eaton Corp Photocoupling line isolation
FR2251975B1 (ko) * 1973-11-16 1979-08-03 Labo Cent Telecommunicat
US3987319A (en) * 1974-12-05 1976-10-19 The United States Of America As Represented By The Secretary Of The Army Radiation-activated sensor
FR2315811A1 (fr) * 1975-06-27 1977-01-21 Labo Cent Telecommunicat Dipole electronique pour le bouclage d'une ligne telephonique
US4282604A (en) * 1979-04-04 1981-08-04 Jefferson William T Optical isolation circuit for bidirectional communication lines
US4476351A (en) * 1982-03-25 1984-10-09 Rockwell International Corporation Subscriber loop current regulator

Also Published As

Publication number Publication date
PT76601B (fr) 1985-12-10
KR840005637A (ko) 1984-11-14
EP0099272A3 (fr) 1984-11-07
BR8303407A (pt) 1984-02-07
KR860001329B1 (ko) 1986-09-13
PT76601A (fr) 1983-05-01
AU1597483A (en) 1984-01-12
NZ204604A (en) 1985-10-11
AU554170B2 (en) 1986-08-07
CA1206646A (en) 1986-06-24
EP0099272A2 (fr) 1984-01-25
GR78898B (ko) 1984-10-02
NO831050L (no) 1984-01-09
DK241583D0 (da) 1983-05-27
IN159070B (ko) 1987-03-21
FR2530105A1 (fr) 1984-01-13
ZA832714B (en) 1984-02-29
US4535202A (en) 1985-08-13
FR2530105B1 (fr) 1985-07-05
JPS5962289A (ja) 1984-04-09

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment