FI79213C - Kommunikationssystem utan egen ledning. - Google Patents

Kommunikationssystem utan egen ledning. Download PDF

Info

Publication number
FI79213C
FI79213C FI850731A FI850731A FI79213C FI 79213 C FI79213 C FI 79213C FI 850731 A FI850731 A FI 850731A FI 850731 A FI850731 A FI 850731A FI 79213 C FI79213 C FI 79213C
Authority
FI
Finland
Prior art keywords
control tone
output signal
pte
pts
channel
Prior art date
Application number
FI850731A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI850731L (fi
FI79213B (fi
FI850731A0 (fi
Inventor
Franz Fahrenschon
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
Publication of FI850731A0 publication Critical patent/FI850731A0/fi
Publication of FI850731L publication Critical patent/FI850731L/fi
Publication of FI79213B publication Critical patent/FI79213B/fi
Application granted granted Critical
Publication of FI79213C publication Critical patent/FI79213C/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5437—Wired telephone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)
FI850731A 1984-02-24 1985-02-22 Kommunikationssystem utan egen ledning. FI79213C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843407310 DE3407310A1 (de) 1984-02-24 1984-02-24 Eigenleitungsloses kommunikationssystem (kleine nebenstellenanlage mit wahl- und rufsignalisierung ueber stromversorgungsnetz)
DE3407310 1984-02-24

Publications (4)

Publication Number Publication Date
FI850731A0 FI850731A0 (fi) 1985-02-22
FI850731L FI850731L (fi) 1985-08-25
FI79213B FI79213B (fi) 1989-07-31
FI79213C true FI79213C (fi) 1989-11-10

Family

ID=6229120

Family Applications (1)

Application Number Title Priority Date Filing Date
FI850731A FI79213C (fi) 1984-02-24 1985-02-22 Kommunikationssystem utan egen ledning.

Country Status (4)

Country Link
JP (1) JPS60210094A (it)
DE (1) DE3407310A1 (it)
FI (1) FI79213C (it)
IT (1) IT1183371B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4008023A1 (de) * 1990-03-09 1991-09-12 Krone Ag Verfahren zur hausinternen sprach- und datenkommunikation ueber das hauseigene stromversorgungsnetz

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE696453C (de) * 1935-11-25 1940-09-21 Aeg Einrichtung zum Hochfrequenzverkehr mit Wahlanruf, insbesondere ueber Starkstromleitungen
US3949172A (en) * 1974-02-08 1976-04-06 Brown William M Telephone extension system utilizing power line carrier signals

Also Published As

Publication number Publication date
IT8519565A0 (it) 1985-02-19
FI850731L (fi) 1985-08-25
FI79213B (fi) 1989-07-31
JPS60210094A (ja) 1985-10-22
DE3407310A1 (de) 1985-09-12
DE3407310C2 (it) 1989-01-05
IT1183371B (it) 1987-10-22
FI850731A0 (fi) 1985-02-22

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT