CH230372A - Circuit arrangement for alternating current telegraphy with phase reversal. - Google Patents

Circuit arrangement for alternating current telegraphy with phase reversal.

Info

Publication number
CH230372A
CH230372A CH230372DA CH230372A CH 230372 A CH230372 A CH 230372A CH 230372D A CH230372D A CH 230372DA CH 230372 A CH230372 A CH 230372A
Authority
CH
Switzerland
Prior art keywords
alternating current
circuit arrangement
phase reversal
current telegraphy
telegraphy
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 CH230372A publication Critical patent/CH230372A/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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
CH230372D 1940-06-21 1942-04-24 Circuit arrangement for alternating current telegraphy with phase reversal. CH230372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE220357X 1940-06-21

Publications (1)

Publication Number Publication Date
CH230372A true CH230372A (en) 1943-12-31

Family

ID=5834070

Family Applications (4)

Application Number Title Priority Date Filing Date
CH220357D CH220357A (en) 1940-06-21 1941-07-07 Circuit arrangement for transmissions for alternating current telegraphy with phase reversal.
CH230372D CH230372A (en) 1940-06-21 1942-04-24 Circuit arrangement for alternating current telegraphy with phase reversal.
CH232535D CH232535A (en) 1940-06-21 1942-10-06 Circuit arrangement for transmissions for alternating current telegraphy with phase reversal.
CH236355D CH236355A (en) 1940-06-21 1943-03-04 Circuit arrangement for the transmission of alternating current telegraph characters by means of alternating current telegraphy with phase reversal.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH220357D CH220357A (en) 1940-06-21 1941-07-07 Circuit arrangement for transmissions for alternating current telegraphy with phase reversal.

Family Applications After (2)

Application Number Title Priority Date Filing Date
CH232535D CH232535A (en) 1940-06-21 1942-10-06 Circuit arrangement for transmissions for alternating current telegraphy with phase reversal.
CH236355D CH236355A (en) 1940-06-21 1943-03-04 Circuit arrangement for the transmission of alternating current telegraph characters by means of alternating current telegraphy with phase reversal.

Country Status (5)

Country Link
BE (4) BE449730A (en)
CH (4) CH220357A (en)
DE (1) DE738060C (en)
FR (4) FR875598A (en)
NL (2) NL64217C (en)

Also Published As

Publication number Publication date
BE442212A (en) 1900-01-01
FR52926E (en) 1945-08-24
CH220357A (en) 1942-03-31
BE446373A (en) 1900-01-01
FR52200E (en) 1943-09-15
NL64217C (en) 1900-01-01
CH232535A (en) 1944-05-31
NL56806C (en) 1900-01-01
BE447740A (en) 1900-01-01
FR875598A (en) 1942-09-28
DE738060C (en) 1943-08-02
FR52573E (en) 1945-04-30
BE449730A (en) 1900-01-01
CH236355A (en) 1945-01-31

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