AT197444B - Amplifier device for telephone systems. - Google Patents

Amplifier device for telephone systems.

Info

Publication number
AT197444B
AT197444B AT197444DA AT197444B AT 197444 B AT197444 B AT 197444B AT 197444D A AT197444D A AT 197444DA AT 197444 B AT197444 B AT 197444B
Authority
AT
Austria
Prior art keywords
amplifier device
telephone systems
telephone
systems
amplifier
Prior art date
Application number
Other languages
German (de)
Inventor
Paul Luescher
Original Assignee
Ch Sodeco Soc Des Compteurs De
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 Ch Sodeco Soc Des Compteurs De filed Critical Ch Sodeco Soc Des Compteurs De
Application granted granted Critical
Publication of AT197444B publication Critical patent/AT197444B/en

Links

AT197444D 1955-09-20 1956-09-03 Amplifier device for telephone systems. AT197444B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH197444X 1955-09-20

Publications (1)

Publication Number Publication Date
AT197444B true AT197444B (en) 1958-04-25

Family

ID=4440884

Family Applications (1)

Application Number Title Priority Date Filing Date
AT197444D AT197444B (en) 1955-09-20 1956-09-03 Amplifier device for telephone systems.

Country Status (1)

Country Link
AT (1) AT197444B (en)

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