FI56463C - Anordning foer avkoppling av signaler fraon abonnentens telefonledning - Google Patents

Anordning foer avkoppling av signaler fraon abonnentens telefonledning Download PDF

Info

Publication number
FI56463C
FI56463C FI352270A FI352270A FI56463C FI 56463 C FI56463 C FI 56463C FI 352270 A FI352270 A FI 352270A FI 352270 A FI352270 A FI 352270A FI 56463 C FI56463 C FI 56463C
Authority
FI
Finland
Prior art keywords
subscriber
potential
output
frequency
line
Prior art date
Application number
FI352270A
Other languages
English (en)
Finnish (fi)
Other versions
FI56463B (fi
Inventor
Hans Hulsbergen
Original Assignee
Zellweger Uster 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 Zellweger Uster Ag filed Critical Zellweger Uster Ag
Publication of FI56463B publication Critical patent/FI56463B/fi
Application granted granted Critical
Publication of FI56463C publication Critical patent/FI56463C/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Polyurethanes Or Polyureas (AREA)
FI352270A 1970-02-03 1970-12-31 Anordning foer avkoppling av signaler fraon abonnentens telefonledning FI56463C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH156370 1970-02-03
CH156370A CH519834A (de) 1970-02-03 1970-02-03 Verfahren und Vorrichtung zur Auskoppelung von Signalen auf Teilnehmerleitungen

Publications (2)

Publication Number Publication Date
FI56463B FI56463B (fi) 1979-09-28
FI56463C true FI56463C (fi) 1980-01-10

Family

ID=4213344

Family Applications (1)

Application Number Title Priority Date Filing Date
FI352270A FI56463C (fi) 1970-02-03 1970-12-31 Anordning foer avkoppling av signaler fraon abonnentens telefonledning

Country Status (7)

Country Link
CH (1) CH519834A (de)
DE (1) DE2100457B2 (de)
ES (1) ES387708A1 (de)
FI (1) FI56463C (de)
GB (1) GB1327861A (de)
NO (1) NO132888C (de)
YU (1) YU34176B (de)

Also Published As

Publication number Publication date
DE2100457A1 (de) 1971-08-12
YU34176B (en) 1978-12-31
FI56463B (fi) 1979-09-28
NO132888B (de) 1975-10-13
GB1327861A (en) 1973-08-22
NO132888C (de) 1976-01-21
CH519834A (de) 1972-02-29
YU16171A (en) 1978-06-30
ES387708A1 (es) 1973-05-16
DE2100457B2 (de) 1978-06-08

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