FR2132620B1 - - Google Patents

Info

Publication number
FR2132620B1
FR2132620B1 FR7137726A FR7137726A FR2132620B1 FR 2132620 B1 FR2132620 B1 FR 2132620B1 FR 7137726 A FR7137726 A FR 7137726A FR 7137726 A FR7137726 A FR 7137726A FR 2132620 B1 FR2132620 B1 FR 2132620B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7137726A
Other languages
French (fr)
Other versions
FR2132620A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2132620A1 publication Critical patent/FR2132620A1/fr
Application granted granted Critical
Publication of FR2132620B1 publication Critical patent/FR2132620B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H04B3/546—Combination of signalling, telemetering, protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • 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
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source
    • 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
    • H04B2203/5458—Monitor sensor; Alarm systems
    • 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
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5495—Systems for power line communications having measurements and testing channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR7137726A 1971-04-09 1971-10-20 Expired FR2132620B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2293171 1971-04-09

Publications (2)

Publication Number Publication Date
FR2132620A1 FR2132620A1 (en) 1972-11-24
FR2132620B1 true FR2132620B1 (en) 1974-08-19

Family

ID=11202010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7137726A Expired FR2132620B1 (en) 1971-04-09 1971-10-20

Country Status (4)

Country Link
BE (1) BE781792A (en)
DE (1) DE2215404A1 (en)
FR (1) FR2132620B1 (en)
NL (1) NL7204734A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4524446A (en) * 1982-07-13 1985-06-18 Westinghouse Electric Corp. Signal quality monitor for protective relay system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1869515A (en) * 1931-12-22 1932-08-02 American Telephone & Telegraph Measurement of attenuation and noise
DE1248121B (en) * 1960-10-03 1967-08-24 Sociata Italiana Telecomunicaz Circuit arrangement for obtaining a combined output signal from two individual output signals from two diversity receivers

Also Published As

Publication number Publication date
NL7204734A (en) 1972-10-11
FR2132620A1 (en) 1972-11-24
DE2215404A1 (en) 1972-11-02
BE781792A (en) 1972-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse