FR713580A - Improvements to radio signaling systems - Google Patents

Improvements to radio signaling systems

Info

Publication number
FR713580A
FR713580A FR713580DA FR713580A FR 713580 A FR713580 A FR 713580A FR 713580D A FR713580D A FR 713580DA FR 713580 A FR713580 A FR 713580A
Authority
FR
France
Prior art keywords
signaling systems
radio signaling
radio
systems
signaling
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
Pier Carlo Ricchiardi
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
Application granted granted Critical
Publication of FR713580A publication Critical patent/FR713580A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR713580D 1930-04-09 1931-03-20 Improvements to radio signaling systems Expired FR713580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT713580X 1930-04-09

Publications (1)

Publication Number Publication Date
FR713580A true FR713580A (en) 1931-10-29

Family

ID=11314783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713580D Expired FR713580A (en) 1930-04-09 1931-03-20 Improvements to radio signaling systems

Country Status (2)

Country Link
FR (1) FR713580A (en)
NL (1) NL35807C (en)

Also Published As

Publication number Publication date
NL35807C (en)

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