FR2571194B1 - Demodulateur differentiel de signaux electriques a plusieurs etats de phase pour equipements de transmission de donnees - Google Patents

Demodulateur differentiel de signaux electriques a plusieurs etats de phase pour equipements de transmission de donnees

Info

Publication number
FR2571194B1
FR2571194B1 FR8414990A FR8414990A FR2571194B1 FR 2571194 B1 FR2571194 B1 FR 2571194B1 FR 8414990 A FR8414990 A FR 8414990A FR 8414990 A FR8414990 A FR 8414990A FR 2571194 B1 FR2571194 B1 FR 2571194B1
Authority
FR
France
Prior art keywords
data transmission
electric signals
transmission equipment
phase state
state electric
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 - Fee Related
Application number
FR8414990A
Other languages
English (en)
Other versions
FR2571194A1 (fr
Inventor
Jean-Pierre Houdard
Jean-Claude Vuillemin
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR8414990A priority Critical patent/FR2571194B1/fr
Publication of FR2571194A1 publication Critical patent/FR2571194A1/fr
Application granted granted Critical
Publication of FR2571194B1 publication Critical patent/FR2571194B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L27/2338—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)
FR8414990A 1984-09-28 1984-09-28 Demodulateur differentiel de signaux electriques a plusieurs etats de phase pour equipements de transmission de donnees Expired - Fee Related FR2571194B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8414990A FR2571194B1 (fr) 1984-09-28 1984-09-28 Demodulateur differentiel de signaux electriques a plusieurs etats de phase pour equipements de transmission de donnees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8414990A FR2571194B1 (fr) 1984-09-28 1984-09-28 Demodulateur differentiel de signaux electriques a plusieurs etats de phase pour equipements de transmission de donnees

Publications (2)

Publication Number Publication Date
FR2571194A1 FR2571194A1 (fr) 1986-04-04
FR2571194B1 true FR2571194B1 (fr) 1992-12-11

Family

ID=9308204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8414990A Expired - Fee Related FR2571194B1 (fr) 1984-09-28 1984-09-28 Demodulateur differentiel de signaux electriques a plusieurs etats de phase pour equipements de transmission de donnees

Country Status (1)

Country Link
FR (1) FR2571194B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2786341B1 (fr) * 1998-11-24 2001-06-08 Thomson Csf Demodulateur numerique i/q en technologie de circuit integre

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1404512A (fr) * 1964-05-08 1965-07-02 Cit Alcatel Récepteurs de télégraphie
FR1580108A (fr) * 1966-03-02 1969-09-05
US3938052A (en) * 1974-05-09 1976-02-10 Teletype Corporation Digital demodulator for phase-modulated waveforms
US3997847A (en) * 1975-10-29 1976-12-14 Bell Telephone Laboratories, Incorporated Digital demodulator for differentially encoded phase-shift-keyed data
FR2422287A1 (fr) * 1978-04-06 1979-11-02 Materiel Telephonique Procede et dispositif de demodulation d'un signal module en phase differentielle

Also Published As

Publication number Publication date
FR2571194A1 (fr) 1986-04-04

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Legal Events

Date Code Title Description
ST Notification of lapse