FR1005206A - Improvements concerning certain signaling devices - Google Patents

Improvements concerning certain signaling devices

Info

Publication number
FR1005206A
FR1005206A FR1005206DA FR1005206A FR 1005206 A FR1005206 A FR 1005206A FR 1005206D A FR1005206D A FR 1005206DA FR 1005206 A FR1005206 A FR 1005206A
Authority
FR
France
Prior art keywords
signaling devices
certain signaling
concerning certain
improvements concerning
devices
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
Roger-Pierre-Eugene Sourgens
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 FR1005206A publication Critical patent/FR1005206A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • 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
    • H04L27/28—Systems using multi-frequency codes with simultaneous transmission of different frequencies each representing one code element

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR1005206D 1947-06-18 1947-06-18 Improvements concerning certain signaling devices Expired FR1005206A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1005206T 1947-06-18

Publications (1)

Publication Number Publication Date
FR1005206A true FR1005206A (en) 1952-04-08

Family

ID=9564558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1005206D Expired FR1005206A (en) 1947-06-18 1947-06-18 Improvements concerning certain signaling devices

Country Status (1)

Country Link
FR (1) FR1005206A (en)

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