ATE110512T1 - Fernmeldeanordnung und -schaltung. - Google Patents

Fernmeldeanordnung und -schaltung.

Info

Publication number
ATE110512T1
ATE110512T1 AT87202393T AT87202393T ATE110512T1 AT E110512 T1 ATE110512 T1 AT E110512T1 AT 87202393 T AT87202393 T AT 87202393T AT 87202393 T AT87202393 T AT 87202393T AT E110512 T1 ATE110512 T1 AT E110512T1
Authority
AT
Austria
Prior art keywords
transistor
circuit
resistor
line
telecommunication arrangement
Prior art date
Application number
AT87202393T
Other languages
English (en)
Inventor
Elve Desiderius Jozef Moons
Jozef Dirck Guido Le Cannaerts
Original Assignee
Alcatel 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 Alcatel Nv filed Critical Alcatel Nv
Application granted granted Critical
Publication of ATE110512T1 publication Critical patent/ATE110512T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6025—Substation equipment, e.g. for use by subscribers including speech amplifiers implemented as integrated speech networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines
    • H04M1/76—Compensating for differences in line impedance
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Burglar Alarm Systems (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Circuits Of Receivers In General (AREA)
  • Interface Circuits In Exchanges (AREA)
AT87202393T 1986-12-16 1987-12-02 Fernmeldeanordnung und -schaltung. ATE110512T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2/61110A BE905921A (nl) 1986-12-16 1986-12-16 Telecommunicatie-inrichting en daarin gebruikte ketens.

Publications (1)

Publication Number Publication Date
ATE110512T1 true ATE110512T1 (de) 1994-09-15

Family

ID=3865843

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87202393T ATE110512T1 (de) 1986-12-16 1987-12-02 Fernmeldeanordnung und -schaltung.

Country Status (7)

Country Link
EP (1) EP0271946B1 (de)
AT (1) ATE110512T1 (de)
AU (1) AU605524B2 (de)
BE (1) BE905921A (de)
DE (1) DE3750425T2 (de)
DK (1) DK656787A (de)
ES (1) ES2062976T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE905921A (nl) * 1986-12-16 1987-06-16 Bell Telephone Mfg Telecommunicatie-inrichting en daarin gebruikte ketens.
ATE103450T1 (de) * 1990-01-29 1994-04-15 Siemens Ag Verfahren und anordnung zur bildung des leitungsabschlusses einer telefonleitung.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1546046A (en) * 1976-12-03 1979-05-16 Cselt Centro Studi Lab Telecom Transmitting and receiving circuit for subscriber telephone sets
NL8200666A (nl) * 1982-02-19 1983-09-16 Philips Nv Transmissieschakeling voor een elektronisch telefoontoestel.
GB8317706D0 (en) * 1983-06-29 1983-08-03 Standard Telephones Cables Ltd Telephone subsets
BE898049A (nl) * 1983-10-21 1984-04-24 Bell Telephone Mfg Telecommunicatielijnketen en bijbehorende spanningsomzetter.
NL8400508A (nl) * 1984-02-17 1985-09-16 Philips Nv Audiotransmissiecircuit met als lijnspanningsstabilisator uitgevoerde zendversterker.
BE905921A (nl) * 1986-12-16 1987-06-16 Bell Telephone Mfg Telecommunicatie-inrichting en daarin gebruikte ketens.

Also Published As

Publication number Publication date
EP0271946A2 (de) 1988-06-22
AU8216187A (en) 1988-06-16
ES2062976T3 (es) 1995-01-01
DK656787A (da) 1988-06-17
EP0271946B1 (de) 1994-08-24
DE3750425T2 (de) 1995-04-27
DK656787D0 (da) 1987-12-15
BE905921A (nl) 1987-06-16
EP0271946A3 (de) 1990-04-04
DE3750425D1 (de) 1994-09-29
AU605524B2 (en) 1991-01-17

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee