AT321374B - Circuit arrangement for a voice circuit for centrally fed subscriber stations - Google Patents

Circuit arrangement for a voice circuit for centrally fed subscriber stations

Info

Publication number
AT321374B
AT321374B AT798472A AT798472A AT321374B AT 321374 B AT321374 B AT 321374B AT 798472 A AT798472 A AT 798472A AT 798472 A AT798472 A AT 798472A AT 321374 B AT321374 B AT 321374B
Authority
AT
Austria
Prior art keywords
circuit
subscriber stations
voice
centrally fed
circuit arrangement
Prior art date
Application number
AT798472A
Other languages
German (de)
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.)
Filing date
Publication date
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT321374B publication Critical patent/AT321374B/en

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)
AT798472A 1971-09-30 1972-09-18 Circuit arrangement for a voice circuit for centrally fed subscriber stations AT321374B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712148929 DE2148929B2 (en) 1971-09-30 1971-09-30 Monolithically integrable circuit arrangement for a speech circuit for centrally fed subscriber stations with a hearing amplifier and a microphone amplifier

Publications (1)

Publication Number Publication Date
AT321374B true AT321374B (en) 1975-03-25

Family

ID=5821117

Family Applications (1)

Application Number Title Priority Date Filing Date
AT798472A AT321374B (en) 1971-09-30 1972-09-18 Circuit arrangement for a voice circuit for centrally fed subscriber stations

Country Status (11)

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

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 (en) * 1983-03-18 1985-11-14 Siemens AG, 1000 Berlin und 8000 München Hybrid circuit for a centrally fed subscriber station
AT397325B (en) * 1992-05-25 1994-03-25 Akg Akustische Kino Geraete CIRCUIT FORMED FROM TWO OPERATIONAL AMPLIFIERS FOR A PARTICIPANT INTERCOM

Also Published As

Publication number Publication date
GB1407216A (en) 1975-09-24
DE2148929B2 (en) 1974-06-06
CH548714A (en) 1974-04-30
DE2148929A1 (en) 1973-04-05
SE381791B (en) 1975-12-15
JPS4843809A (en) 1973-06-25
IT967956B (en) 1974-03-11
BE789514A (en) 1973-03-29
FR2155372A5 (en) 1973-05-18
LU66185A1 (en) 1973-01-17
NL7213094A (en) 1973-04-03

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