CH236884A - Circuit arrangement for phase shift alternating current telegraphy. - Google Patents

Circuit arrangement for phase shift alternating current telegraphy.

Info

Publication number
CH236884A
CH236884A CH236884DA CH236884A CH 236884 A CH236884 A CH 236884A CH 236884D A CH236884D A CH 236884DA CH 236884 A CH236884 A CH 236884A
Authority
CH
Switzerland
Prior art keywords
alternating current
phase shift
circuit arrangement
current telegraphy
shift alternating
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft C Lorenz
Original Assignee
Lorenz C Ag
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 Lorenz C Ag filed Critical Lorenz C Ag
Publication of CH236884A publication Critical patent/CH236884A/en

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
    • 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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2276—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using frequency multiplication or harmonic tracking

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
CH236884D 1942-10-07 1943-08-26 Circuit arrangement for phase shift alternating current telegraphy. CH236884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE236884X 1942-10-07

Publications (1)

Publication Number Publication Date
CH236884A true CH236884A (en) 1945-03-15

Family

ID=5902795

Family Applications (1)

Application Number Title Priority Date Filing Date
CH236884D CH236884A (en) 1942-10-07 1943-08-26 Circuit arrangement for phase shift alternating current telegraphy.

Country Status (3)

Country Link
BE (1) BE452205A (en)
CH (1) CH236884A (en)
FR (1) FR897812A (en)

Also Published As

Publication number Publication date
BE452205A (en)
FR897812A (en) 1945-04-03

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