CH216069A - Rufschaltung für Trägerfrequenz-Endschaltung. - Google Patents

Rufschaltung für Trägerfrequenz-Endschaltung.

Info

Publication number
CH216069A
CH216069A CH216069DA CH216069A CH 216069 A CH216069 A CH 216069A CH 216069D A CH216069D A CH 216069DA CH 216069 A CH216069 A CH 216069A
Authority
CH
Switzerland
Prior art keywords
call
carrier frequency
ringing
frequency limit
limit switching
Prior art date
Application number
Other languages
German (de)
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 CH216069A publication Critical patent/CH216069A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
CH216069D 1939-12-08 1940-11-04 Rufschaltung für Trägerfrequenz-Endschaltung. CH216069A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE216069X 1939-12-08

Publications (1)

Publication Number Publication Date
CH216069A true CH216069A (de) 1941-07-31

Family

ID=5827284

Family Applications (1)

Application Number Title Priority Date Filing Date
CH216069D CH216069A (de) 1939-12-08 1940-11-04 Rufschaltung für Trägerfrequenz-Endschaltung.

Country Status (2)

Country Link
BE (1) BE439749A (OSRAM)
CH (1) CH216069A (OSRAM)

Also Published As

Publication number Publication date
BE439749A (OSRAM)

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