AT42690B - Circuit arrangement for amplifying the sound effect in telephone systems. - Google Patents

Circuit arrangement for amplifying the sound effect in telephone systems.

Info

Publication number
AT42690B
AT42690B AT42690DA AT42690B AT 42690 B AT42690 B AT 42690B AT 42690D A AT42690D A AT 42690DA AT 42690 B AT42690 B AT 42690B
Authority
AT
Austria
Prior art keywords
amplifying
circuit arrangement
sound effect
telephone systems
telephone
Prior art date
Application number
Other languages
German (de)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT42690B publication Critical patent/AT42690B/en

Links

Landscapes

  • Alarm Systems (AREA)

Description

  

   <Desc/Clms Page number 1> 
 
 EMI1.1 
 
 EMI1.2 
 

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



   <Desc / Clms Page number 1>
 
 EMI1.1
 
 EMI1.2
 

** WARNING ** End of DESC field may overlap beginning of CLMS **.

Claims (1)

**WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT42690D 1909-02-10 1909-11-22 Circuit arrangement for amplifying the sound effect in telephone systems. AT42690B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE42690X 1909-02-10

Publications (1)

Publication Number Publication Date
AT42690B true AT42690B (en) 1910-06-25

Family

ID=5624142

Family Applications (1)

Application Number Title Priority Date Filing Date
AT42690D AT42690B (en) 1909-02-10 1909-11-22 Circuit arrangement for amplifying the sound effect in telephone systems.

Country Status (1)

Country Link
AT (1) AT42690B (en)

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