FR2568074B1 - Demodulateur de signaux electriques a plusieurs etats d'amplitude et de phase pour equipements de transmission de donnees. - Google Patents

Demodulateur de signaux electriques a plusieurs etats d'amplitude et de phase pour equipements de transmission de donnees.

Info

Publication number
FR2568074B1
FR2568074B1 FR8411292A FR8411292A FR2568074B1 FR 2568074 B1 FR2568074 B1 FR 2568074B1 FR 8411292 A FR8411292 A FR 8411292A FR 8411292 A FR8411292 A FR 8411292A FR 2568074 B1 FR2568074 B1 FR 2568074B1
Authority
FR
France
Prior art keywords
demodulator
data transmission
electric signals
transmission equipment
phase states
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
FR8411292A
Other languages
English (en)
Other versions
FR2568074A1 (fr
Inventor
Jean-Pierre Houdard
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 FR8411292A priority Critical patent/FR2568074B1/fr
Publication of FR2568074A1 publication Critical patent/FR2568074A1/fr
Application granted granted Critical
Publication of FR2568074B1 publication Critical patent/FR2568074B1/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
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR8411292A 1984-07-17 1984-07-17 Demodulateur de signaux electriques a plusieurs etats d'amplitude et de phase pour equipements de transmission de donnees. Expired - Fee Related FR2568074B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8411292A FR2568074B1 (fr) 1984-07-17 1984-07-17 Demodulateur de signaux electriques a plusieurs etats d'amplitude et de phase pour equipements de transmission de donnees.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8411292A FR2568074B1 (fr) 1984-07-17 1984-07-17 Demodulateur de signaux electriques a plusieurs etats d'amplitude et de phase pour equipements de transmission de donnees.

Publications (2)

Publication Number Publication Date
FR2568074A1 FR2568074A1 (fr) 1986-01-24
FR2568074B1 true FR2568074B1 (fr) 1992-01-10

Family

ID=9306189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8411292A Expired - Fee Related FR2568074B1 (fr) 1984-07-17 1984-07-17 Demodulateur de signaux electriques a plusieurs etats d'amplitude et de phase pour equipements de transmission de donnees.

Country Status (1)

Country Link
FR (1) FR2568074B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3707960C1 (de) * 1987-03-12 1988-10-20 Ant Nachrichtentech Vieltraeger-Demodulator
FR2636183B1 (fr) * 1988-08-12 1990-10-12 Thiriet Jean Yves Filtre numerique a debit variable pour modulateur de phase

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL175575C (nl) * 1976-05-28 1984-11-16 Philips Nv Filter- en demodulatie-inrichting.
DE3006801C2 (de) * 1980-02-23 1984-02-09 ANT Nachrichtentechnik GmbH, 7150 Backnang Empfänger
DE3011828C2 (de) * 1980-03-27 1985-01-17 ANT Nachrichtentechnik GmbH, 7150 Backnang Empfänger

Also Published As

Publication number Publication date
FR2568074A1 (fr) 1986-01-24

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Legal Events

Date Code Title Description
ST Notification of lapse