CH210437A - Anordnung für Telephonvermittlungsstellen. - Google Patents

Anordnung für Telephonvermittlungsstellen.

Info

Publication number
CH210437A
CH210437A CH210437DA CH210437A CH 210437 A CH210437 A CH 210437A CH 210437D A CH210437D A CH 210437DA CH 210437 A CH210437 A CH 210437A
Authority
CH
Switzerland
Prior art keywords
arrangement
telephone exchanges
exchanges
telephone
Prior art date
Application number
Other languages
English (en)
Inventor
Aktiengesellschaft C Lorenz
Original Assignee
Lorenz C 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 Lorenz C Ag filed Critical Lorenz C Ag
Publication of CH210437A publication Critical patent/CH210437A/de

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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—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
    • H04B3/36—Repeater circuits
    • H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
CH210437D 1938-07-21 1939-06-30 Anordnung für Telephonvermittlungsstellen. CH210437A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE210437X 1938-07-21

Publications (1)

Publication Number Publication Date
CH210437A true CH210437A (de) 1940-07-15

Family

ID=5797369

Family Applications (1)

Application Number Title Priority Date Filing Date
CH210437D CH210437A (de) 1938-07-21 1939-06-30 Anordnung für Telephonvermittlungsstellen.

Country Status (2)

Country Link
CH (1) CH210437A (de)
FR (1) FR857919A (de)

Also Published As

Publication number Publication date
FR857919A (fr) 1940-10-05

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