FR2221861B1 - - Google Patents

Info

Publication number
FR2221861B1
FR2221861B1 FR7246910A FR7246910A FR2221861B1 FR 2221861 B1 FR2221861 B1 FR 2221861B1 FR 7246910 A FR7246910 A FR 7246910A FR 7246910 A FR7246910 A FR 7246910A FR 2221861 B1 FR2221861 B1 FR 2221861B1
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
FR7246910A
Other languages
French (fr)
Other versions
FR2221861A1 (en
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.)
TELETRANSMISSIONS CIE EU
Original Assignee
TELETRANSMISSIONS CIE EU
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 TELETRANSMISSIONS CIE EU filed Critical TELETRANSMISSIONS CIE EU
Priority to FR7246910A priority Critical patent/FR2221861A1/fr
Publication of FR2221861A1 publication Critical patent/FR2221861A1/fr
Application granted granted Critical
Publication of FR2221861B1 publication Critical patent/FR2221861B1/fr
Granted 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
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—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
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2338—Demodulator circuits; Receiver circuits using non-coherent demodulation using sampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR7246910A 1972-12-29 1972-12-29 Detection of frequency, phase and amplitude modulated signals - uses an analog-digital converter and binary memory Granted FR2221861A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7246910A FR2221861A1 (en) 1972-12-29 1972-12-29 Detection of frequency, phase and amplitude modulated signals - uses an analog-digital converter and binary memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7246910A FR2221861A1 (en) 1972-12-29 1972-12-29 Detection of frequency, phase and amplitude modulated signals - uses an analog-digital converter and binary memory

Publications (2)

Publication Number Publication Date
FR2221861A1 FR2221861A1 (en) 1974-10-11
FR2221861B1 true FR2221861B1 (ro) 1977-01-14

Family

ID=9109518

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7246910A Granted FR2221861A1 (en) 1972-12-29 1972-12-29 Detection of frequency, phase and amplitude modulated signals - uses an analog-digital converter and binary memory

Country Status (1)

Country Link
FR (1) FR2221861A1 (ro)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2296322A1 (fr) * 1974-12-27 1976-07-23 Ibm France Systeme de detection de donnees numeriques transmises par modulation d'une porteuse
GB0009302D0 (en) 2000-04-15 2000-05-31 Mitel Semiconductor Ltd Quadrature amplitude modulation demodulation and receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3274503A (en) * 1962-11-30 1966-09-20 Herbert L Peterson Digital differentiator for amplitude modulated carrier
FR1495496A (fr) * 1966-06-17 1967-09-22 Thomson Houston Comp Francaise Perfectionnements aux systèmes de transmission de données
GB1223553A (en) * 1967-05-09 1971-02-24 Serck Controls Ltd Improvements in or relating to digital signal transmission systems
DE1951579A1 (de) * 1968-10-21 1970-04-23 Orion Radio Verfahren und Schaltungsanordnung zur Erzeugung des Taktsignals einer Impulsfolge und zur Regenerierung der Impulsfolge
JPS4840649B1 (ro) * 1969-09-12 1973-12-01
FR2064258A6 (ro) * 1969-09-22 1971-07-23 Lignes Telegraph Telephon

Also Published As

Publication number Publication date
FR2221861A1 (en) 1974-10-11

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse