FR888654A - Device intended for alternating current telegraph systems using the same frequency for the pulses corresponding to signs and for the pulses corresponding to separation intervals - Google Patents

Device intended for alternating current telegraph systems using the same frequency for the pulses corresponding to signs and for the pulses corresponding to separation intervals

Info

Publication number
FR888654A
FR888654A FR888654DA FR888654A FR 888654 A FR888654 A FR 888654A FR 888654D A FR888654D A FR 888654DA FR 888654 A FR888654 A FR 888654A
Authority
FR
France
Prior art keywords
pulses corresponding
signs
alternating current
same frequency
device intended
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)
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR888654A publication Critical patent/FR888654A/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
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR888654D 1941-12-22 1942-11-28 Device intended for alternating current telegraph systems using the same frequency for the pulses corresponding to signs and for the pulses corresponding to separation intervals Expired FR888654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE888654X 1941-12-22

Publications (1)

Publication Number Publication Date
FR888654A true FR888654A (en) 1943-12-20

Family

ID=6834196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888654D Expired FR888654A (en) 1941-12-22 1942-11-28 Device intended for alternating current telegraph systems using the same frequency for the pulses corresponding to signs and for the pulses corresponding to separation intervals

Country Status (1)

Country Link
FR (1) FR888654A (en)

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