AT91060B - Additional amplifier device for any telephone set. - Google Patents

Additional amplifier device for any telephone set.

Info

Publication number
AT91060B
AT91060B AT91060DA AT91060B AT 91060 B AT91060 B AT 91060B AT 91060D A AT91060D A AT 91060DA AT 91060 B AT91060 B AT 91060B
Authority
AT
Austria
Prior art keywords
telephone set
amplifier device
additional amplifier
additional
telephone
Prior art date
Application number
Other languages
German (de)
Inventor
Siegmund Ing Strauss
Original Assignee
Siegmund Ing Strauss
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 Siegmund Ing Strauss filed Critical Siegmund Ing Strauss
Application granted granted Critical
Publication of AT91060B publication Critical patent/AT91060B/en

Links

AT91060D 1919-06-17 1920-07-10 Additional amplifier device for any telephone set. AT91060B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT88116T 1919-06-17
AT91060T 1920-07-10

Publications (1)

Publication Number Publication Date
AT91060B true AT91060B (en) 1923-01-25

Family

ID=25605049

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91060D AT91060B (en) 1919-06-17 1920-07-10 Additional amplifier device for any telephone set.

Country Status (1)

Country Link
AT (1) AT91060B (en)

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