AT73118B - Circuit arrangement for telephone systems with central battery operation. - Google Patents

Circuit arrangement for telephone systems with central battery operation.

Info

Publication number
AT73118B
AT73118B AT73118DA AT73118B AT 73118 B AT73118 B AT 73118B AT 73118D A AT73118D A AT 73118DA AT 73118 B AT73118 B AT 73118B
Authority
AT
Austria
Prior art keywords
circuit arrangement
telephone systems
battery operation
central battery
central
Prior art date
Application number
Other languages
German (de)
Inventor
Philipp Leonard Richardt
Original Assignee
Philipp Leonard Richardt
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 Philipp Leonard Richardt filed Critical Philipp Leonard Richardt
Application granted granted Critical
Publication of AT73118B publication Critical patent/AT73118B/en

Links

AT73118D 1913-11-20 1913-11-20 Circuit arrangement for telephone systems with central battery operation. AT73118B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT73118T 1913-11-20

Publications (1)

Publication Number Publication Date
AT73118B true AT73118B (en) 1917-02-26

Family

ID=3594776

Family Applications (1)

Application Number Title Priority Date Filing Date
AT73118D AT73118B (en) 1913-11-20 1913-11-20 Circuit arrangement for telephone systems with central battery operation.

Country Status (1)

Country Link
AT (1) AT73118B (en)

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