FR1460146A - Phase reference information retrieval apparatus - Google Patents

Phase reference information retrieval apparatus

Info

Publication number
FR1460146A
FR1460146A FR37241A FR37241A FR1460146A FR 1460146 A FR1460146 A FR 1460146A FR 37241 A FR37241 A FR 37241A FR 37241 A FR37241 A FR 37241A FR 1460146 A FR1460146 A FR 1460146A
Authority
FR
France
Prior art keywords
reference information
information retrieval
phase reference
retrieval apparatus
phase
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
FR37241A
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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
Priority claimed from US430997A external-priority patent/US3336534A/en
Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co
Priority to FR37241A priority Critical patent/FR1460146A/en
Application granted granted Critical
Publication of FR1460146A publication Critical patent/FR1460146A/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
    • 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
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2272—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR37241A 1965-02-08 1965-11-04 Phase reference information retrieval apparatus Expired FR1460146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR37241A FR1460146A (en) 1965-02-08 1965-11-04 Phase reference information retrieval apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US430997A US3336534A (en) 1965-02-08 1965-02-08 Multi-phase detector and keyed-error detector phase-locked-loop
FR37241A FR1460146A (en) 1965-02-08 1965-11-04 Phase reference information retrieval apparatus

Publications (1)

Publication Number Publication Date
FR1460146A true FR1460146A (en) 1966-06-17

Family

ID=26167205

Family Applications (1)

Application Number Title Priority Date Filing Date
FR37241A Expired FR1460146A (en) 1965-02-08 1965-11-04 Phase reference information retrieval apparatus

Country Status (1)

Country Link
FR (1) FR1460146A (en)

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