BE749290A - Systeme de transmission de donnees - Google Patents

Systeme de transmission de donnees

Info

Publication number
BE749290A
BE749290A BE749290A BE749290A BE749290A BE 749290 A BE749290 A BE 749290A BE 749290 A BE749290 A BE 749290A BE 749290 A BE749290 A BE 749290A BE 749290 A BE749290 A BE 749290A
Authority
BE
Belgium
Prior art keywords
data transmission
transmission system
data
transmission
Prior art date
Application number
BE749290A
Other languages
English (en)
French (fr)
Inventor
Respectivement Mm M Choquet
H Nussbaumer
A Croisier
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BE749290A publication Critical patent/BE749290A/xx

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
    • 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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BE749290A 1969-06-27 1970-04-21 Systeme de transmission de donnees BE749290A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6921898A FR2052918B2 (enrdf_load_stackoverflow) 1969-06-27 1969-06-27

Publications (1)

Publication Number Publication Date
BE749290A true BE749290A (fr) 1970-10-01

Family

ID=9036572

Family Applications (1)

Application Number Title Priority Date Filing Date
BE749290A BE749290A (fr) 1969-06-27 1970-04-21 Systeme de transmission de donnees

Country Status (3)

Country Link
JP (1) JPS5122768B1 (enrdf_load_stackoverflow)
BE (1) BE749290A (enrdf_load_stackoverflow)
FR (1) FR2052918B2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2052918A2 (enrdf_load_stackoverflow) 1971-04-16
JPS5122768B1 (enrdf_load_stackoverflow) 1976-07-12
FR2052918B2 (enrdf_load_stackoverflow) 1974-06-14

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INTERNATIONAL BUSINESS MACHINES CORP.

Effective date: 19880430