FR528653A - Improvements in telegraphy and line telephony using high frequency currents - Google Patents

Improvements in telegraphy and line telephony using high frequency currents

Info

Publication number
FR528653A
FR528653A FR528653A FR528653DA FR528653A FR 528653 A FR528653 A FR 528653A FR 528653 A FR528653 A FR 528653A FR 528653D A FR528653D A FR 528653DA FR 528653 A FR528653 A FR 528653A
Authority
FR
France
Prior art keywords
telegraphy
high frequency
frequency currents
line telephony
telephony
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
FR528653A
Other languages
French (fr)
Inventor
Marius Latour
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR528653A publication Critical patent/FR528653A/en
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
    • H04B3/56—Circuits for coupling, blocking, or by-passing of signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR528653A 1920-06-30 1920-06-30 Improvements in telegraphy and line telephony using high frequency currents Expired FR528653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR528653T 1920-06-30

Publications (1)

Publication Number Publication Date
FR528653A true FR528653A (en) 1921-11-17

Family

ID=8922215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR528653A Expired FR528653A (en) 1920-06-30 1920-06-30 Improvements in telegraphy and line telephony using high frequency currents

Country Status (1)

Country Link
FR (1) FR528653A (en)

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