AT75742B - Circuit arrangement for automatically or semi-automatically operated telephone systems. - Google Patents

Circuit arrangement for automatically or semi-automatically operated telephone systems.

Info

Publication number
AT75742B
AT75742B AT75742DA AT75742B AT 75742 B AT75742 B AT 75742B AT 75742D A AT75742D A AT 75742DA AT 75742 B AT75742 B AT 75742B
Authority
AT
Austria
Prior art keywords
automatically
semi
circuit arrangement
telephone systems
operated telephone
Prior art date
Application number
Other languages
German (de)
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT75742B publication Critical patent/AT75742B/en

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)
  • Interface Circuits In Exchanges (AREA)

Description

  

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Claims (1)

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AT75742D 1914-01-10 1915-01-09 Circuit arrangement for automatically or semi-automatically operated telephone systems. AT75742B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE75742X 1914-01-10

Publications (1)

Publication Number Publication Date
AT75742B true AT75742B (en) 1919-03-10

Family

ID=5637209

Family Applications (1)

Application Number Title Priority Date Filing Date
AT75742D AT75742B (en) 1914-01-10 1915-01-09 Circuit arrangement for automatically or semi-automatically operated telephone systems.

Country Status (1)

Country Link
AT (1) AT75742B (en)

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