NL89220C - - Google Patents

Info

Publication number
NL89220C
NL89220C NL89220DA NL89220C NL 89220 C NL89220 C NL 89220C NL 89220D A NL89220D A NL 89220DA NL 89220 C NL89220 C NL 89220C
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 NL89220C publication Critical patent/NL89220C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/03—Hybrid circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
NL89220D 1952-06-27 NL89220C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1031836X 1952-06-27

Publications (1)

Publication Number Publication Date
NL89220C true NL89220C (xx)

Family

ID=9583381

Family Applications (2)

Application Number Title Priority Date Filing Date
NLAANVRAGE7506599,A NL179303B (nl) 1952-06-27 Heimutsvulling.
NL89220D NL89220C (xx) 1952-06-27

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7506599,A NL179303B (nl) 1952-06-27 Heimutsvulling.

Country Status (5)

Country Link
BE (1) BE520979A (xx)
DE (1) DE1031836B (xx)
FR (1) FR1059246A (xx)
GB (1) GB749694A (xx)
NL (2) NL89220C (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL251885A (xx) * 1960-05-21
FR1429455A (fr) * 1965-01-15 1966-02-25 Alsthom Cgee Perfectionnement à la transmission bilatérale de messages entre une station fixe et un véhicule sur rails ou entre deux véhicules sur rails

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499423A (en) * 1944-09-30 1950-03-07 Hartford Nat Bank & Trust Comp Telephone transmission circuits for coupling input and output devices to a telephone line
FR921171A (fr) * 1945-11-02 1947-04-29 Sadir Carpentier Perfectionnements aux dispositifs de liaison entre lignes de signalisation électrique
DE826152C (de) * 1949-11-22 1951-12-27 Joachim Vetterling Elektrische Anordnung zur Trennung von Stromwegen

Also Published As

Publication number Publication date
GB749694A (en) 1956-05-30
BE520979A (xx)
DE1031836B (de) 1958-06-12
FR1059246A (fr) 1954-03-23
NL179303B (nl)

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