FR2408255A1 - Perfectionnements aux procedes et dispositifs de restitution d'informations - Google Patents

Perfectionnements aux procedes et dispositifs de restitution d'informations

Info

Publication number
FR2408255A1
FR2408255A1 FR7732908A FR7732908A FR2408255A1 FR 2408255 A1 FR2408255 A1 FR 2408255A1 FR 7732908 A FR7732908 A FR 7732908A FR 7732908 A FR7732908 A FR 7732908A FR 2408255 A1 FR2408255 A1 FR 2408255A1
Authority
FR
France
Prior art keywords
transitions
type
information
local clock
restitution
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.)
Granted
Application number
FR7732908A
Other languages
English (en)
Other versions
FR2408255B1 (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.)
Safran Electrical and Power SAS
Precision Mecanique Labinal SA
Original Assignee
Labinal SA
Precision Mecanique Labinal 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 Labinal SA, Precision Mecanique Labinal SA filed Critical Labinal SA
Priority to FR7732908A priority Critical patent/FR2408255A1/fr
Priority to DE2847149A priority patent/DE2847149C3/de
Priority to GB7842705A priority patent/GB2007944B/en
Priority to ES475088A priority patent/ES475088A1/es
Priority to IT29357/78A priority patent/IT1099896B/it
Publication of FR2408255A1 publication Critical patent/FR2408255A1/fr
Application granted granted Critical
Publication of FR2408255B1 publication Critical patent/FR2408255B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4904—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using self-synchronising codes, e.g. split-phase codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0331—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop with a digital phase-locked loop [PLL] processing binary samples, e.g. add/subtract logic for correction of receiver clock

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)

Abstract

DISPOSITIF DE RESTITUTION D'INFORMATION RECUE SOUS FORME NUMERIQUE MIC EN CODE BIPHASE, SE PRESENTANT SOUS FORME D'UN SIGNAL AYANT DES TRANSITIONS DE PHASE D'UN PREMIER TYPE A LA FREQUENCE D'UNE HORLOGE D'EMISSION ET, DANS LES INTERVALLES ENTRE TRANSITIONS DU PREMIER TYPE, DES TRANSITIONS DE SECOND TYPE REPRESENTATIVES DE L'INFORMATION. IL COMPORTE UNE HORLOGE LOCALE 16, DES MOYENS 21, 24, 26 POUR DETERMINER PERIODIQUEMENT LE NOMBRE N DE PERIODES DE L'HORLOGE LOCALE COMPRIS ENTRE DEUX TRANSITIONS SUCCESSIVES DE PREMIER TYPE, ET DES MOYENS POUR DETECTER LES TRANSITIONS DE SECOND TYPE PENDANT DES INTERVALLES DE TEMPS CORRESPONDANT A UN NOMBRE N DE PERIODES DE L'HORLOGE LOCALE TEL QUE N2NN. APPLICATION A LA TRANSMISSION D'INFORMATIONS.
FR7732908A 1977-11-02 1977-11-02 Perfectionnements aux procedes et dispositifs de restitution d'informations Granted FR2408255A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7732908A FR2408255A1 (fr) 1977-11-02 1977-11-02 Perfectionnements aux procedes et dispositifs de restitution d'informations
DE2847149A DE2847149C3 (de) 1977-11-02 1978-10-30 Vorrichtung zur Wiedergabe einer pulscodemodulierten Information
GB7842705A GB2007944B (en) 1977-11-02 1978-11-01 Data transmission and recovery
ES475088A ES475088A1 (es) 1977-11-02 1978-11-02 Dispositivo para la restitucion de informaciones
IT29357/78A IT1099896B (it) 1977-11-02 1978-11-02 Perfezionamenti ai processi e ai dispositivi di restituzione di informazioni

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7732908A FR2408255A1 (fr) 1977-11-02 1977-11-02 Perfectionnements aux procedes et dispositifs de restitution d'informations

Publications (2)

Publication Number Publication Date
FR2408255A1 true FR2408255A1 (fr) 1979-06-01
FR2408255B1 FR2408255B1 (fr) 1981-08-07

Family

ID=9197150

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7732908A Granted FR2408255A1 (fr) 1977-11-02 1977-11-02 Perfectionnements aux procedes et dispositifs de restitution d'informations

Country Status (5)

Country Link
DE (1) DE2847149C3 (fr)
ES (1) ES475088A1 (fr)
FR (1) FR2408255A1 (fr)
GB (1) GB2007944B (fr)
IT (1) IT1099896B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380761A (en) 1980-02-04 1983-04-19 Xerox Corporation Digital phase decoder with collision detection
EP0087664B1 (fr) * 1980-02-04 1985-09-11 Xerox Corporation Décodeur de phase pour systèmes de communication de données
DE3172394D1 (en) * 1980-02-04 1985-10-31 Xerox Corp Data communication system
EP1721406A1 (fr) * 2004-02-27 2006-11-15 Koninklijke Philips Electronics N.V. Circuit de reinitialisation, porteuse de donnees et dispositif de communication

Also Published As

Publication number Publication date
GB2007944B (en) 1982-04-21
DE2847149C3 (de) 1981-01-08
DE2847149A1 (de) 1979-05-03
DE2847149B2 (de) 1980-04-24
IT1099896B (it) 1985-09-28
FR2408255B1 (fr) 1981-08-07
IT7829357A0 (it) 1978-11-02
ES475088A1 (es) 1979-04-01
GB2007944A (en) 1979-05-23

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Legal Events

Date Code Title Description
ST Notification of lapse