BE789514A - Circuit monolithique integrable pour branchement telephonique de postesd'abonne a alimentation centrale - Google Patents

Circuit monolithique integrable pour branchement telephonique de postesd'abonne a alimentation centrale

Info

Publication number
BE789514A
BE789514A BE789514DA BE789514A BE 789514 A BE789514 A BE 789514A BE 789514D A BE789514D A BE 789514DA BE 789514 A BE789514 A BE 789514A
Authority
BE
Belgium
Prior art keywords
integrable
power supply
subscriber stations
telephone connection
central power
Prior art date
Application number
Other languages
English (en)
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.)
Publication date
Publication of BE789514A publication Critical patent/BE789514A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/58—Anti-side-tone circuits
    • H04M1/585—Anti-side-tone circuits implemented without inductive element

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE789514D 1971-09-30 Circuit monolithique integrable pour branchement telephonique de postesd'abonne a alimentation centrale BE789514A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712148929 DE2148929B2 (de) 1971-09-30 1971-09-30 Monolithisch integrierbare Schaltungsanordnung für eine Sprechschaltung für zentralgespeiste Teilnehmerstationen mit einem Hörverstärker und einem Mikrofonverstärker

Publications (1)

Publication Number Publication Date
BE789514A true BE789514A (fr) 1973-03-29

Family

ID=5821117

Family Applications (1)

Application Number Title Priority Date Filing Date
BE789514D BE789514A (fr) 1971-09-30 Circuit monolithique integrable pour branchement telephonique de postesd'abonne a alimentation centrale

Country Status (11)

Country Link
JP (1) JPS4843809A (fr)
AT (1) AT321374B (fr)
BE (1) BE789514A (fr)
CH (1) CH548714A (fr)
DE (1) DE2148929B2 (fr)
FR (1) FR2155372A5 (fr)
GB (1) GB1407216A (fr)
IT (1) IT967956B (fr)
LU (1) LU66185A1 (fr)
NL (1) NL7213094A (fr)
SE (1) SE381791B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071713A (en) * 1976-12-27 1978-01-31 Northern Telecom Limited Telephone speech network
DE3309822C2 (de) * 1983-03-18 1985-11-14 Siemens AG, 1000 Berlin und 8000 München Gabelschaltung für eine zentralgespeiste Teilnehmerstation
AT397325B (de) * 1992-05-25 1994-03-25 Akg Akustische Kino Geraete Aus zwei operationsverstärkern gebildete schaltung für eine teilnehmersprechstelle

Also Published As

Publication number Publication date
IT967956B (it) 1974-03-11
LU66185A1 (fr) 1973-01-17
CH548714A (de) 1974-04-30
DE2148929B2 (de) 1974-06-06
DE2148929A1 (de) 1973-04-05
NL7213094A (fr) 1973-04-03
AT321374B (de) 1975-03-25
GB1407216A (en) 1975-09-24
FR2155372A5 (fr) 1973-05-18
SE381791B (sv) 1975-12-15
JPS4843809A (fr) 1973-06-25

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