FR708948A - Disposition de couplage pour amplificateurs actionnés à distance - Google Patents

Disposition de couplage pour amplificateurs actionnés à distance

Info

Publication number
FR708948A
FR708948A FR708948DA FR708948A FR 708948 A FR708948 A FR 708948A FR 708948D A FR708948D A FR 708948DA FR 708948 A FR708948 A FR 708948A
Authority
FR
France
Prior art keywords
coupling arrangement
remotely operated
amplifiers
operated amplifiers
remotely
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens 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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR708948A publication Critical patent/FR708948A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/40—Applications of speech amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
FR708948D 1930-01-09 1931-01-08 Disposition de couplage pour amplificateurs actionnés à distance Expired FR708948A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE622343T 1930-01-09

Publications (1)

Publication Number Publication Date
FR708948A true FR708948A (fr) 1931-07-30

Family

ID=34812906

Family Applications (1)

Application Number Title Priority Date Filing Date
FR708948D Expired FR708948A (fr) 1930-01-09 1931-01-08 Disposition de couplage pour amplificateurs actionnés à distance

Country Status (4)

Country Link
DE (1) DE622343C (enrdf_load_stackoverflow)
FR (1) FR708948A (enrdf_load_stackoverflow)
GB (1) GB367982A (enrdf_load_stackoverflow)
NL (1) NL31051C (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE865913C (de) * 1941-04-19 1953-02-05 Aeg Wechselsprech-Lautsprecheranlage
DE742659C (de) * 1941-11-26 1944-11-17 Siemens Ag Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere Fernsprechanlagen
DE1019217B (de) * 1953-07-27 1957-11-07 Electroacustic Gmbh Elektroakustische UEbertragungsanlage
DE1001713B (de) * 1953-12-07 1957-01-31 Telefonbau & Normalzeit Gmbh Telefonteilnehmerstation mit tastengesteuerter Frequenzwahl und einem Schichttransistoren enthaltenden Mikrophonverstaerker
DE975971C (de) * 1955-04-05 1962-12-27 Angelika Kunckel Tragbarer Fernsprechapparat mit Ortsbatterie
DE1037518B (de) * 1955-11-30 1958-08-28 Siemens Ag Verfahren zur UEberpruefung von UEbertragungsanlagen, insbesondere zur Fernmessung der Klirrdaempfung von Unterwegsverstaerkern in Traegerfrequenzsystemen
DE1034701B (de) * 1956-09-28 1958-07-24 Siemens Ag Schaltungsanordnung fuer Teilnehmerstellen in Fernmelde-, insbesondere Fernsprechanlagen, mit Tastaturwahl
DE1207494B (de) * 1958-10-27 1965-12-23 Gen Radio Co Eichgeraet zum Einstellen des Verstaerkungsgrades elektrischer Verstaerker, insbesondere fuer Schallstaerkenmessgeraete
DE1131278B (de) * 1959-12-30 1962-06-14 Siemens Ag UEberwachungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen
DE1512811C3 (de) * 1967-04-27 1984-08-02 ANT Nachrichtentechnik GmbH, 7150 Backnang Schaltungsanordnung für die Prüfung der sprechstelleneigenen Einrichtungen in Sprechanlagen

Also Published As

Publication number Publication date
NL31051C (enrdf_load_stackoverflow)
DE622343C (de) 1935-11-27
GB367982A (en) 1932-03-03

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