AT14733B - Circuit arrangement for telephone stations with a special call microphone. - Google Patents

Circuit arrangement for telephone stations with a special call microphone.

Info

Publication number
AT14733B
AT14733B AT14733DA AT14733B AT 14733 B AT14733 B AT 14733B AT 14733D A AT14733D A AT 14733DA AT 14733 B AT14733 B AT 14733B
Authority
AT
Austria
Prior art keywords
circuit arrangement
telephone stations
special call
call microphone
microphone
Prior art date
Application number
Other languages
German (de)
Inventor
Franz Nissl
Original Assignee
Franz Nissl
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 Franz Nissl filed Critical Franz Nissl
Application granted granted Critical
Publication of AT14733B publication Critical patent/AT14733B/en

Links

Landscapes

  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)

Description

  

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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



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Claims (1)

<Desc/Clms Page number 2> EMI2.1 EMI2.2 <Desc / Clms Page number 2> EMI2.1 EMI2.2
AT14733D 1902-07-05 1902-07-05 Circuit arrangement for telephone stations with a special call microphone. AT14733B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT14733T 1902-07-05

Publications (1)

Publication Number Publication Date
AT14733B true AT14733B (en) 1904-01-11

Family

ID=3514655

Family Applications (1)

Application Number Title Priority Date Filing Date
AT14733D AT14733B (en) 1902-07-05 1902-07-05 Circuit arrangement for telephone stations with a special call microphone.

Country Status (1)

Country Link
AT (1) AT14733B (en)

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