FR493710A - Perfectionnements apportés aux transmissions télégraphiques - Google Patents

Perfectionnements apportés aux transmissions télégraphiques

Info

Publication number
FR493710A
FR493710A FR493710DA FR493710A FR 493710 A FR493710 A FR 493710A FR 493710D A FR493710D A FR 493710DA FR 493710 A FR493710 A FR 493710A
Authority
FR
France
Prior art keywords
telegraphic
transmissions
telegraphic transmissions
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
English (en)
Inventor
Enrico Frattola
Vitale Egisto Castelli
Romualdo Regnoni
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 FR493710A publication Critical patent/FR493710A/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
    • H04B3/56—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)
FR493710D 1918-02-25 1918-12-10 Perfectionnements apportés aux transmissions télégraphiques Expired FR493710A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT493710X 1918-02-25

Publications (1)

Publication Number Publication Date
FR493710A true FR493710A (fr) 1919-08-20

Family

ID=1529433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR493710D Expired FR493710A (fr) 1918-02-25 1918-12-10 Perfectionnements apportés aux transmissions télégraphiques

Country Status (1)

Country Link
FR (1) FR493710A (fr)

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