FI61770C - Anordning foer informationsoeverfoering speciellt larmoeverfoering - Google Patents

Anordning foer informationsoeverfoering speciellt larmoeverfoering Download PDF

Info

Publication number
FI61770C
FI61770C FI761198A FI761198A FI61770C FI 61770 C FI61770 C FI 61770C FI 761198 A FI761198 A FI 761198A FI 761198 A FI761198 A FI 761198A FI 61770 C FI61770 C FI 61770C
Authority
FI
Finland
Prior art keywords
frequency
frequencies
units
line
transmitting
Prior art date
Application number
FI761198A
Other languages
English (en)
Finnish (fi)
Other versions
FI61770B (fi
FI761198A (de
Inventor
Uno Tingloef
Hans Lind
Tolly Hjelm
Lennart Lindblad
Gert-Ove Renstroem
Original Assignee
Uno Tingloef
Hans Lind
Tolly Hjelm
Lennart Lindblad
Renstroem Gert Ove
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 Uno Tingloef, Hans Lind, Tolly Hjelm, Lennart Lindblad, Renstroem Gert Ove filed Critical Uno Tingloef
Publication of FI761198A publication Critical patent/FI761198A/fi
Application granted granted Critical
Publication of FI61770B publication Critical patent/FI61770B/fi
Publication of FI61770C publication Critical patent/FI61770C/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)
FI761198A 1975-05-02 1976-04-29 Anordning foer informationsoeverfoering speciellt larmoeverfoering FI61770C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7505111 1975-05-02
SE7505111A SE396492B (sv) 1975-05-02 1975-05-02 Anordning for overforing av information via en overforingsledning som har en kontinuerlig overvakning av ledningens driftsduglighet och innefattar en anordning for sendning av ett flertal tidsseparerade ...

Publications (3)

Publication Number Publication Date
FI761198A FI761198A (de) 1976-11-03
FI61770B FI61770B (fi) 1982-05-31
FI61770C true FI61770C (fi) 1982-09-10

Family

ID=20324478

Family Applications (1)

Application Number Title Priority Date Filing Date
FI761198A FI61770C (fi) 1975-05-02 1976-04-29 Anordning foer informationsoeverfoering speciellt larmoeverfoering

Country Status (7)

Country Link
AU (1) AU503088B2 (de)
DE (1) DE2618934A1 (de)
DK (1) DK192776A (de)
FI (1) FI61770C (de)
NO (1) NO138308C (de)
NZ (1) NZ180735A (de)
SE (1) SE396492B (de)

Also Published As

Publication number Publication date
AU1347176A (en) 1977-11-03
NO138308B (no) 1978-05-02
NZ180735A (en) 1979-11-01
FI61770B (fi) 1982-05-31
NO761436L (de) 1976-11-03
AU503088B2 (en) 1979-08-23
FI761198A (de) 1976-11-03
NO138308C (no) 1978-08-16
DE2618934A1 (de) 1976-11-11
DK192776A (da) 1976-11-03
SE7505111L (sv) 1976-11-03
SE396492B (sv) 1977-09-19

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: RENSTROEM, GERT-OVE

Owner name: LINDBLAD, LENNART

Owner name: LIND, HANS

Owner name: TINGLOEF, UNO

Owner name: HJELM, TOLLY