BR7900101A - Fonte de alimentacao para uma linha telefonica - Google Patents

Fonte de alimentacao para uma linha telefonica

Info

Publication number
BR7900101A
BR7900101A BR7900101A BR7900101A BR7900101A BR 7900101 A BR7900101 A BR 7900101A BR 7900101 A BR7900101 A BR 7900101A BR 7900101 A BR7900101 A BR 7900101A BR 7900101 A BR7900101 A BR 7900101A
Authority
BR
Brazil
Prior art keywords
power source
telephone line
telephone
line
source
Prior art date
Application number
BR7900101A
Other languages
English (en)
Portuguese (pt)
Inventor
J Chevillon
D Bolus
J Comte
P Philippe
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of BR7900101A publication Critical patent/BR7900101A/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
    • H04M19/005—Feeding arrangements without the use of line transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Devices For Supply Of Signal Current (AREA)
BR7900101A 1978-01-13 1979-01-09 Fonte de alimentacao para uma linha telefonica BR7900101A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7800970A FR2414832A1 (fr) 1978-01-13 1978-01-13 Pont d'alimentation pour ligne telephonique

Publications (1)

Publication Number Publication Date
BR7900101A true BR7900101A (pt) 1979-08-07

Family

ID=9203442

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7900101A BR7900101A (pt) 1978-01-13 1979-01-09 Fonte de alimentacao para uma linha telefonica

Country Status (4)

Country Link
BE (1) BE873459A (fr)
BR (1) BR7900101A (fr)
FR (1) FR2414832A1 (fr)
GB (1) GB2012521B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7810086A (nl) * 1978-10-06 1980-04-09 Philips Nv Voedingsbrug voor een abonneestroomloop.
HU182390B (en) * 1981-12-18 1983-12-28 Telefongyar With the active elements formed two-pole terminal network equivalent to a resistor
GB2120498B (en) * 1982-04-29 1985-11-20 Motorola Inc Regulator circuit
NL8801619A (nl) * 1988-02-24 1989-09-18 Alcatel Nederland Telefoonlijn interface schakeling.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1290202B (de) * 1966-09-30 1969-03-06 Merk Gmbh Telefonbau Fried Schaltungsanordnung fuer die Speisung von Fernsprechteilnehmerstellen
CH586984A5 (fr) * 1974-12-23 1977-04-15 Ibm
US4007335A (en) * 1975-11-12 1977-02-08 Bell Telephone Laboratories, Incorporated Telephone line battery feed circuit

Also Published As

Publication number Publication date
GB2012521B (en) 1982-01-20
BE873459A (fr) 1979-07-16
FR2414832A1 (fr) 1979-08-10
GB2012521A (en) 1979-07-25

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