CH251545A - Line dialing system with relay control. - Google Patents

Line dialing system with relay control.

Info

Publication number
CH251545A
CH251545A CH251545DA CH251545A CH 251545 A CH251545 A CH 251545A CH 251545D A CH251545D A CH 251545DA CH 251545 A CH251545 A CH 251545A
Authority
CH
Switzerland
Prior art keywords
relay control
dialing system
line dialing
line
relay
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft Autophon
Original Assignee
Autophon 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 Autophon Ag filed Critical Autophon Ag
Publication of CH251545A publication Critical patent/CH251545A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
CH251545D 1946-07-16 1946-07-16 Line dialing system with relay control. CH251545A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH857072X 1946-07-16

Publications (1)

Publication Number Publication Date
CH251545A true CH251545A (en) 1947-10-31

Family

ID=4542774

Family Applications (1)

Application Number Title Priority Date Filing Date
CH251545D CH251545A (en) 1946-07-16 1946-07-16 Line dialing system with relay control.

Country Status (3)

Country Link
CH (1) CH251545A (en)
DE (1) DE857072C (en)
FR (1) FR957883A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1266818B (en) * 1966-03-26 1968-04-25 Standard Elektrik Lorenz Ag Method and circuit arrangement for telephone exchanges for call waiting

Also Published As

Publication number Publication date
FR957883A (en) 1950-02-28
DE857072C (en) 1952-11-27

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