AT74845B - Circuit arrangement for telephone systems. - Google Patents

Circuit arrangement for telephone systems.

Info

Publication number
AT74845B
AT74845B AT74845DA AT74845B AT 74845 B AT74845 B AT 74845B AT 74845D A AT74845D A AT 74845DA AT 74845 B AT74845 B AT 74845B
Authority
AT
Austria
Prior art keywords
circuit arrangement
telephone systems
telephone
systems
arrangement
Prior art date
Application number
Other languages
German (de)
Inventor
Elmer Reed Corwin
Original Assignee
Elmer Reed Corwin
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 Elmer Reed Corwin filed Critical Elmer Reed Corwin
Application granted granted Critical
Publication of AT74845B publication Critical patent/AT74845B/en

Links

Landscapes

  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Description

  

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AT74845D 1913-08-25 1913-08-25 Circuit arrangement for telephone systems. AT74845B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT74845T 1913-08-25

Publications (1)

Publication Number Publication Date
AT74845B true AT74845B (en) 1918-10-25

Family

ID=3596491

Family Applications (1)

Application Number Title Priority Date Filing Date
AT74845D AT74845B (en) 1913-08-25 1913-08-25 Circuit arrangement for telephone systems.

Country Status (1)

Country Link
AT (1) AT74845B (en)

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