FI850730A0 - COMMUNICATION SYSTEM UTAN EGEN LEDNING. - Google Patents

COMMUNICATION SYSTEM UTAN EGEN LEDNING.

Info

Publication number
FI850730A0
FI850730A0 FI850730A FI850730A FI850730A0 FI 850730 A0 FI850730 A0 FI 850730A0 FI 850730 A FI850730 A FI 850730A FI 850730 A FI850730 A FI 850730A FI 850730 A0 FI850730 A0 FI 850730A0
Authority
FI
Finland
Prior art keywords
ledning
egen
utan
communication system
communication
Prior art date
Application number
FI850730A
Other languages
Finnish (fi)
Other versions
FI79212B (en
FI850730L (en
FI79212C (en
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 FI850730A0 publication Critical patent/FI850730A0/en
Publication of FI850730L publication Critical patent/FI850730L/en
Publication of FI79212B publication Critical patent/FI79212B/en
Application granted granted Critical
Publication of FI79212C publication Critical patent/FI79212C/en

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
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements
    • H04M1/715—Substation extension arrangements using two or more extensions per line
    • 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)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
FI850730A 1984-02-24 1985-02-22 COMMUNICATION SYSTEM UTAN EGEN LEDNING. FI79212C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843407308 DE3407308A1 (en) 1984-02-24 1984-02-24 Dedicated-line-free communications system (small PBX system with an adapter connection to the power supply mains)
DE3407308 1984-02-24

Publications (4)

Publication Number Publication Date
FI850730A0 true FI850730A0 (en) 1985-02-22
FI850730L FI850730L (en) 1985-08-25
FI79212B FI79212B (en) 1989-07-31
FI79212C FI79212C (en) 1989-11-10

Family

ID=6229117

Family Applications (1)

Application Number Title Priority Date Filing Date
FI850730A FI79212C (en) 1984-02-24 1985-02-22 COMMUNICATION SYSTEM UTAN EGEN LEDNING.

Country Status (4)

Country Link
JP (1) JPS60212094A (en)
DE (1) DE3407308A1 (en)
FI (1) FI79212C (en)
IT (1) IT1183372B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3614769A1 (en) * 1986-04-30 1988-06-16 Wilhelm Englmaier Rail for mounting image-recording and illuminating devices
DE4008023A1 (en) * 1990-03-09 1991-09-12 Krone Ag METHOD FOR IN-HOUSE VOICE AND DATA COMMUNICATION VIA THE IN-HOUSE POWER SUPPLY NETWORK

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE696453C (en) * 1935-11-25 1940-09-21 Aeg Device for high-frequency traffic with dial-up calls, in particular over power lines
DE1183959B (en) * 1963-07-31 1964-12-23 Telefunken Patent Filter for a system for the transmission of messages over a power network within a house or building complex
DE3146987A1 (en) * 1981-11-26 1983-06-01 Siemens AG, 1000 Berlin und 8000 München Intrinsically wireless communication system

Also Published As

Publication number Publication date
FI79212B (en) 1989-07-31
IT1183372B (en) 1987-10-22
IT8519566A0 (en) 1985-02-19
DE3407308C2 (en) 1988-12-22
FI850730L (en) 1985-08-25
JPS60212094A (en) 1985-10-24
FI79212C (en) 1989-11-10
DE3407308A1 (en) 1985-09-12

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT