BR7602705A - Processo e dispositivo de transmissao por modem de um sinal de sincronizacao utilizado para a desmultiplexagem temporaria das informacoes transmitidas pelo mencionado modem - Google Patents

Processo e dispositivo de transmissao por modem de um sinal de sincronizacao utilizado para a desmultiplexagem temporaria das informacoes transmitidas pelo mencionado modem

Info

Publication number
BR7602705A
BR7602705A BR7602705A BR7602705A BR7602705A BR 7602705 A BR7602705 A BR 7602705A BR 7602705 A BR7602705 A BR 7602705A BR 7602705 A BR7602705 A BR 7602705A BR 7602705 A BR7602705 A BR 7602705A
Authority
BR
Brazil
Prior art keywords
modem
demultiplexing
temporary
synchronization signal
information transmitted
Prior art date
Application number
BR7602705A
Other languages
English (en)
Portuguese (pt)
Inventor
J Berland
Original Assignee
Telecommunications 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 Telecommunications Sa filed Critical Telecommunications Sa
Publication of BR7602705A publication Critical patent/BR7602705A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/06—Speed or phase control by synchronisation signals the synchronisation signals differing from the information signals in amplitude, polarity or frequency or length
    • 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
    • H04L25/497—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 by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
BR7602705A 1975-05-05 1976-04-30 Processo e dispositivo de transmissao por modem de um sinal de sincronizacao utilizado para a desmultiplexagem temporaria das informacoes transmitidas pelo mencionado modem BR7602705A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7513973A FR2310666A1 (fr) 1975-05-05 1975-05-05 Procede et dispositif de transmission par modem d'un signal de synchronisation utilise pour le demultiplexage temporel des informations transmises par ledit modem

Publications (1)

Publication Number Publication Date
BR7602705A true BR7602705A (pt) 1976-11-09

Family

ID=9154839

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7602705A BR7602705A (pt) 1975-05-05 1976-04-30 Processo e dispositivo de transmissao por modem de um sinal de sincronizacao utilizado para a desmultiplexagem temporaria das informacoes transmitidas pelo mencionado modem

Country Status (4)

Country Link
BR (1) BR7602705A (enrdf_load_stackoverflow)
DE (1) DE2619146C3 (enrdf_load_stackoverflow)
FR (1) FR2310666A1 (enrdf_load_stackoverflow)
GB (1) GB1549654A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834002B2 (ja) * 1979-10-17 1983-07-23 日立電子株式会社 デイジタル信号の磁気記録再生方式
EP0061764B1 (en) * 1981-03-30 1985-01-16 Nec Corporation Transmission system of a class iv partial response code

Also Published As

Publication number Publication date
FR2310666B1 (enrdf_load_stackoverflow) 1980-05-09
DE2619146B2 (de) 1977-12-22
GB1549654A (en) 1979-08-08
DE2619146C3 (de) 1978-08-31
DE2619146A1 (de) 1976-11-18
FR2310666A1 (fr) 1976-12-03

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