NL269533A - - Google Patents

Info

Publication number
NL269533A
NL269533A NL269533DA NL269533A NL 269533 A NL269533 A NL 269533A NL 269533D A NL269533D A NL 269533DA NL 269533 A NL269533 A NL 269533A
Authority
NL
Netherlands
Application number
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 of NL269533A publication Critical patent/NL269533A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)
NL269533D 1961-01-27 NL269533A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES72243A DE1144780B (de) 1961-01-27 1961-01-27 Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen, in denen Verbindungen ueber grosse Entfernungen aufzubauen sind

Publications (1)

Publication Number Publication Date
NL269533A true NL269533A (de)

Family

ID=7503062

Family Applications (2)

Application Number Title Priority Date Filing Date
NL269533D NL269533A (de) 1961-01-27
NL269533A NL142304B (nl) 1961-01-27 1961-09-22 Schakel voor een telecommunicatie-, in het bijzonder telefoonstelsel, met echo-onderdrukkers.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL269533A NL142304B (nl) 1961-01-27 1961-09-22 Schakel voor een telecommunicatie-, in het bijzonder telefoonstelsel, met echo-onderdrukkers.

Country Status (3)

Country Link
DE (1) DE1144780B (de)
NL (2) NL142304B (de)
SE (1) SE318917B (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE546221C (de) * 1925-08-07 1932-03-10 Siemens & Halske Akt Ges Schaltungsanordnung fuer Fernsprechanlagen mit Durchgangsverkehr, bei denen an denselben Arbeitsplaetzen verstaerkte und unverstaerkte Verbindungen hergestellt werden
DE560364C (de) * 1929-06-17 1932-10-01 Siemens & Halske Akt Ges Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb, bei welchen ueber dieselben Waehler verstaerkungsbeduerftige und verstaerkungsnichtbeduerftige Leitungen erreicht werden
NL36961C (de) * 1931-09-16
DE915573C (de) * 1941-04-04 1954-07-26 Klangfilm Gmbh Vorrichtung zur Ankopplung eines Tonabnehmers an einen Niederfrequenzverstaerker
DE875215C (de) * 1948-10-08 1953-04-30 Mix & Genest Ag Schaltungsanordnung zum Daempfungsabgleich in Fernvermittlungs-systemen mit Waehlerbetrieb
DE822108C (de) * 1950-02-15 1951-11-22 Gottfried Bayer Verfahren zum Ausgleich des Pegelunterschiedes bei vierdraehtiger Durchschaltung zweier Fernsprechleitungen

Also Published As

Publication number Publication date
NL142304B (nl) 1974-05-15
DE1144780B (de) 1963-03-07
SE318917B (de) 1969-12-22

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