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CH226798A - Circuit arrangement for the transmission of inductively generated direct current surges via sealed connecting lines in telephone systems. - Google Patents

Circuit arrangement for the transmission of inductively generated direct current surges via sealed connecting lines in telephone systems.

Info

Publication number
CH226798A
CH226798A CH226798DA CH226798A CH 226798 A CH226798 A CH 226798A CH 226798D A CH226798D A CH 226798DA CH 226798 A CH226798 A CH 226798A
Authority
CH
Switzerland
Prior art keywords
transmission
direct current
circuit arrangement
connecting lines
telephone systems
Prior art date
Application number
Other languages
German (de)
Inventor
Fides Gesellschaft Beschraenk
Original Assignee
Fides Gmbh
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 Fides Gmbh filed Critical Fides Gmbh
Publication of CH226798A publication Critical patent/CH226798A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/48—Induced-current signalling arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Relay Circuits (AREA)
  • Interface Circuits In Exchanges (AREA)
CH226798D 1941-03-04 1942-03-03 Circuit arrangement for the transmission of inductively generated direct current surges via sealed connecting lines in telephone systems. CH226798A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES38805D DE942453C (en) 1941-03-04 1941-03-04 Circuit arrangement for the transmission of inductively generated direct current surges over sealed connecting lines in telephone systems

Publications (1)

Publication Number Publication Date
CH226798A true CH226798A (en) 1943-04-30

Family

ID=7483063

Family Applications (1)

Application Number Title Priority Date Filing Date
CH226798D CH226798A (en) 1941-03-04 1942-03-03 Circuit arrangement for the transmission of inductively generated direct current surges via sealed connecting lines in telephone systems.

Country Status (2)

Country Link
CH (1) CH226798A (en)
DE (1) DE942453C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922831C (en) * 1950-01-06 1955-01-27 Siemens Ag Circuit arrangement for telephone systems with dialer operation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE690248C (en) * 1938-07-30 1940-04-19 Siemens & Halske Akt Ges Circuit arrangement for telecommunications systems, in particular telephone systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE922831C (en) * 1950-01-06 1955-01-27 Siemens Ag Circuit arrangement for telephone systems with dialer operation

Also Published As

Publication number Publication date
DE942453C (en) 1956-05-03

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