FR2176233A6 - - Google Patents

Info

Publication number
FR2176233A6
FR2176233A6 FR7209028A FR7209028A FR2176233A6 FR 2176233 A6 FR2176233 A6 FR 2176233A6 FR 7209028 A FR7209028 A FR 7209028A FR 7209028 A FR7209028 A FR 7209028A FR 2176233 A6 FR2176233 A6 FR 2176233A6
Authority
FR
France
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
FR7209028A
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.)
LANNIONNAIS ELECTRONIQUE
Original Assignee
LANNIONNAIS ELECTRONIQUE
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 LANNIONNAIS ELECTRONIQUE filed Critical LANNIONNAIS ELECTRONIQUE
Priority to FR7209028A priority Critical patent/FR2176233A6/fr
Priority to GB1969872A priority patent/GB1370396A/en
Priority to IT68333/72A priority patent/IT954860B/it
Priority to DE2221084A priority patent/DE2221084C3/de
Priority to US00248729A priority patent/US3784914A/en
Application granted granted Critical
Publication of FR2176233A6 publication Critical patent/FR2176233A6/fr
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
    • H04L27/2331—Demodulator circuits; Receiver circuits using non-coherent demodulation wherein the received signal is demodulated using one or more delayed versions of itself
    • 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
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • H04L27/2067—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states
    • H04L27/2071—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers with more than two phase states in which the data are represented by the carrier phase, e.g. systems with differential coding
    • 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)
FR7209028A 1971-04-30 1972-03-15 Expired FR2176233A6 (cs)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7209028A FR2176233A6 (cs) 1972-03-15 1972-03-15
GB1969872A GB1370396A (en) 1971-04-30 1972-04-27 Phase modulation equipment
IT68333/72A IT954860B (it) 1971-04-30 1972-04-28 Dispositivo di trasmissione dei dati mediante salto di fase diffe renziale
DE2221084A DE2221084C3 (de) 1971-04-30 1972-04-28 Kohärentes Datenübertragungsverfahren
US00248729A US3784914A (en) 1971-04-30 1972-04-28 Multi-step phase shift modulator demodulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7209028A FR2176233A6 (cs) 1972-03-15 1972-03-15

Publications (1)

Publication Number Publication Date
FR2176233A6 true FR2176233A6 (cs) 1973-10-26

Family

ID=9095245

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7209028A Expired FR2176233A6 (cs) 1971-04-30 1972-03-15

Country Status (1)

Country Link
FR (1) FR2176233A6 (cs)

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