NL7204734A - - Google Patents

Info

Publication number
NL7204734A
NL7204734A NL7204734A NL7204734A NL7204734A NL 7204734 A NL7204734 A NL 7204734A NL 7204734 A NL7204734 A NL 7204734A NL 7204734 A NL7204734 A NL 7204734A NL 7204734 A NL7204734 A NL 7204734A
Authority
NL
Netherlands
Application number
NL7204734A
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 filed Critical
Publication of NL7204734A publication Critical patent/NL7204734A/xx

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)
NL7204734A 1971-04-09 1972-04-07 NL7204734A (https=)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7204734A true NL7204734A (https=) 1972-10-11

Family

ID=11202010

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7204734A NL7204734A (https=) 1971-04-09 1972-04-07

Country Status (4)

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

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 (de) * 1960-10-03 1967-08-24 Sociata Italiana Telecomunicaz Schaltungsanordnung zur Gewinnung eines kombinierten Ausgangssignals aus zwei Einzelausgangssignalen zweier Diversity-Empfaenger

Also Published As

Publication number Publication date
FR2132620A1 (https=) 1972-11-24
FR2132620B1 (https=) 1974-08-19
BE781792A (fr) 1972-07-31
DE2215404A1 (de) 1972-11-02

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Legal Events

Date Code Title Description
BV The patent application has lapsed