DK512583A - Abonnentkreds til et telefonnet - Google Patents

Abonnentkreds til et telefonnet Download PDF

Info

Publication number
DK512583A
DK512583A DK512583A DK512583A DK512583A DK 512583 A DK512583 A DK 512583A DK 512583 A DK512583 A DK 512583A DK 512583 A DK512583 A DK 512583A DK 512583 A DK512583 A DK 512583A
Authority
DK
Denmark
Prior art keywords
subscribe
phone
Prior art date
Application number
DK512583A
Other languages
English (en)
Other versions
DK512583D0 (da
Inventor
Aloysius Jozef Nijman
Franciscus Adrianus Co Schoofs
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of DK512583D0 publication Critical patent/DK512583D0/da
Publication of DK512583A publication Critical patent/DK512583A/da

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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
DK512583A 1982-11-12 1983-11-09 Abonnentkreds til et telefonnet DK512583A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8204377A NL8204377A (nl) 1982-11-12 1982-11-12 Abonneecircuit voor een telefoonnet.

Publications (2)

Publication Number Publication Date
DK512583D0 DK512583D0 (da) 1983-11-09
DK512583A true DK512583A (da) 1984-05-13

Family

ID=19840578

Family Applications (1)

Application Number Title Priority Date Filing Date
DK512583A DK512583A (da) 1982-11-12 1983-11-09 Abonnentkreds til et telefonnet

Country Status (8)

Country Link
US (1) US4608461A (da)
EP (1) EP0109705B1 (da)
JP (1) JPS59101955A (da)
AU (1) AU563742B2 (da)
CA (1) CA1206648A (da)
DE (1) DE3370737D1 (da)
DK (1) DK512583A (da)
NL (1) NL8204377A (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551670A (en) * 1984-04-19 1985-11-05 At&T Bell Laboratories Circuit for maintaining the DC voltage on an electrically isolated telecommunication line at a reference level
US4679232A (en) * 1985-08-02 1987-07-07 American Telephone And Telegraph Company, At&T Bell Laboratories Method and apparatus for providing a ground reference for telephone customer special circuits powered from a floating battery feed
US7869179B2 (en) * 2007-03-14 2011-01-11 Panduit Corp. Protection patch panel

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3223781A (en) * 1962-02-13 1965-12-14 Itt Constant voltage device
FR2254168A1 (en) * 1973-12-11 1975-07-04 Ass Ouvriers Instr Precision Telephone line supply device - is an active electronic device acting as resistance for direct current and high impedance for A.C.
FR2315811A1 (fr) * 1975-06-27 1977-01-21 Labo Cent Telecommunicat Dipole electronique pour le bouclage d'une ligne telephonique
GB1563802A (en) * 1975-11-10 1980-04-02 Post Office Electronic current feed circuit
FR2373927A1 (fr) * 1976-12-10 1978-07-07 Trt Telecom Radio Electr Reseau electrique destine a etre insere par une paire de bornes dans une boucle d'abonne telephonique
FR2382810A1 (fr) * 1977-03-02 1978-09-29 Labo Cent Telecommunicat Circuit d'alimentation de ligne telephonique avec protection
FR2403690A1 (fr) * 1977-09-14 1979-04-13 Labo Cent Telecommunicat Dipole gyrateur
US4272656A (en) * 1979-04-05 1981-06-09 Precision Monolithics, Inc. Quasi-resistive battery feed for telephone circuits
NL7903662A (nl) * 1979-05-10 1980-11-12 Philips Nv Lijncircuit.
NL7904159A (nl) * 1979-05-28 1980-12-02 Philips Nv Inrichting voor het toevoeren van signalen aan een telefoonlijn.
US4476351A (en) * 1982-03-25 1984-10-09 Rockwell International Corporation Subscriber loop current regulator
US4440979A (en) * 1982-05-03 1984-04-03 Gte Automatic Electric Incorporated Current sink for DPT channel unit
US4511763A (en) * 1982-11-01 1985-04-16 Gte Communication Systems Corporation Floating dc current source for a subscriber loop circuit

Also Published As

Publication number Publication date
DE3370737D1 (en) 1987-05-07
AU563742B2 (en) 1987-07-23
DK512583D0 (da) 1983-11-09
NL8204377A (nl) 1984-06-01
EP0109705B1 (en) 1987-04-01
EP0109705A1 (en) 1984-05-30
US4608461A (en) 1986-08-26
AU2114483A (en) 1984-05-17
CA1206648A (en) 1986-06-24
JPS59101955A (ja) 1984-06-12

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Legal Events

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ATS Application withdrawn