FR981455A - New dual current telegraph transmission system - Google Patents

New dual current telegraph transmission system

Info

Publication number
FR981455A
FR981455A FR981455DA FR981455A FR 981455 A FR981455 A FR 981455A FR 981455D A FR981455D A FR 981455DA FR 981455 A FR981455 A FR 981455A
Authority
FR
France
Prior art keywords
transmission system
new dual
dual current
telegraph transmission
current telegraph
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
Paul Nicolas
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 FR981455A publication Critical patent/FR981455A/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
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR981455D 1943-04-13 1943-04-13 New dual current telegraph transmission system Expired FR981455A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR981455T 1943-04-13

Publications (1)

Publication Number Publication Date
FR981455A true FR981455A (en) 1951-05-28

Family

ID=9532925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981455D Expired FR981455A (en) 1943-04-13 1943-04-13 New dual current telegraph transmission system

Country Status (1)

Country Link
FR (1) FR981455A (en)

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