FR54361E - Improvements to power line transmission systems - Google Patents

Improvements to power line transmission systems

Info

Publication number
FR54361E
FR54361E FR54361DA FR54361E FR 54361 E FR54361 E FR 54361E FR 54361D A FR54361D A FR 54361DA FR 54361 E FR54361 E FR 54361E
Authority
FR
France
Prior art keywords
power line
transmission systems
line transmission
systems
power
Prior art date
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
Other languages
French (fr)
Inventor
Jean-Louis Hurault
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Application granted granted Critical
Publication of FR54361E publication Critical patent/FR54361E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/16—Arrangements for interconnection between switching centres in systems employing carrier frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
FR54361D 1943-03-08 1943-12-04 Improvements to power line transmission systems Expired FR54361E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR895971T 1943-03-08
FR54361T 1943-12-04

Publications (1)

Publication Number Publication Date
FR54361E true FR54361E (en) 1950-03-10

Family

ID=32963915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR54361D Expired FR54361E (en) 1943-03-08 1943-12-04 Improvements to power line transmission systems

Country Status (4)

Country Link
BE (1) BE460564A (en)
CH (1) CH276933A (en)
FR (1) FR54361E (en)
GB (1) GB635481A (en)

Also Published As

Publication number Publication date
GB635481A (en) 1950-04-12
BE460564A (en)
CH276933A (en) 1951-07-31

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