NL887C - Circuit for automatic telephone installations where the common battery in the central office is connected to earth with one pole - Google Patents

Circuit for automatic telephone installations where the common battery in the central office is connected to earth with one pole Download PDF

Info

Publication number
NL887C
NL887C NL1258A NL1258A NL887C NL 887 C NL887 C NL 887C NL 1258 A NL1258 A NL 1258A NL 1258 A NL1258 A NL 1258A NL 887 C NL887 C NL 887C
Authority
NL
Netherlands
Prior art keywords
earth
pole
circuit
central office
automatic telephone
Prior art date
Application number
NL1258A
Other languages
Dutch (nl)
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 NL887C publication Critical patent/NL887C/en

Links

NL1258A 1911-09-29 1912-09-28 Circuit for automatic telephone installations where the common battery in the central office is connected to earth with one pole NL887C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE887X 1911-09-29

Publications (1)

Publication Number Publication Date
NL887C true NL887C (en) 1915-11-15

Family

ID=85161662

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1258A NL887C (en) 1911-09-29 1912-09-28 Circuit for automatic telephone installations where the common battery in the central office is connected to earth with one pole

Country Status (1)

Country Link
NL (1) NL887C (en)

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