NL80719C - - Google Patents

Info

Publication number
NL80719C
NL80719C NL80719DA NL80719C NL 80719 C NL80719 C NL 80719C NL 80719D A NL80719D A NL 80719DA NL 80719 C NL80719 C NL 80719C
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 NL80719C publication Critical patent/NL80719C/xx

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
NL80719D 1949-10-11 NL80719C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL897851X 1949-10-11

Publications (1)

Publication Number Publication Date
NL80719C true NL80719C (en)

Family

ID=19856255

Family Applications (1)

Application Number Title Priority Date Filing Date
NL80719D NL80719C (en) 1949-10-11

Country Status (2)

Country Link
DE (1) DE897851C (en)
NL (1) NL80719C (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE623827C (en) * 1932-09-03

Also Published As

Publication number Publication date
DE897851C (en) 1953-11-26

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