AT134914B - Sum and difference converter. - Google Patents

Sum and difference converter.

Info

Publication number
AT134914B
AT134914B AT134914DA AT134914B AT 134914 B AT134914 B AT 134914B AT 134914D A AT134914D A AT 134914DA AT 134914 B AT134914 B AT 134914B
Authority
AT
Austria
Prior art keywords
sum
difference converter
difference
converter
desc
Prior art date
Application number
Other languages
German (de)
Inventor
Walter Dr Buetow
Original Assignee
Elek Zitaets Actien Ges Vorm W
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
Priority claimed from AT130431D external-priority patent/AT130431B/en
Application filed by Elek Zitaets Actien Ges Vorm W filed Critical Elek Zitaets Actien Ges Vorm W
Application granted granted Critical
Publication of AT134914B publication Critical patent/AT134914B/en

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Measurement Of Current Or Voltage (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)

<Desc/Clms Page number 2> <Desc / Clms Page number 2> 2. Summen- und Differenzwandler nach Anspruch 1, dadurch gekennzeichnet, dass die Primiir- leiter (H und R) anschliessend ein oder mehrmals um die äusseren Schenkel gelegt werden, damit die Empfindlichkeit der angeschlossenen Differential- und Erdschlussrelais vergrössert wird, EMI2.1 2. summation and difference converter according to claim 1, characterized in that the primary conductors (H and R) are then placed one or more times around the outer legs so that the sensitivity of the connected differential and earth fault relays is increased, EMI2.1
AT134914D 1928-08-25 1929-10-19 Sum and difference converter. AT134914B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT130431D AT130431B (en) 1928-06-11 1928-08-25 Sum and difference converter.
DE134914X 1929-07-25

Publications (1)

Publication Number Publication Date
AT134914B true AT134914B (en) 1933-10-10

Family

ID=25606632

Family Applications (1)

Application Number Title Priority Date Filing Date
AT134914D AT134914B (en) 1928-08-25 1929-10-19 Sum and difference converter.

Country Status (1)

Country Link
AT (1) AT134914B (en)

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