DE3064824D1 - Information code conversion method for line transmission and transmission system using such a method - Google Patents

Information code conversion method for line transmission and transmission system using such a method

Info

Publication number
DE3064824D1
DE3064824D1 DE8080401159T DE3064824T DE3064824D1 DE 3064824 D1 DE3064824 D1 DE 3064824D1 DE 8080401159 T DE8080401159 T DE 8080401159T DE 3064824 T DE3064824 T DE 3064824T DE 3064824 D1 DE3064824 D1 DE 3064824D1
Authority
DE
Germany
Prior art keywords
information code
transmission
code conversion
transmission system
conversion method
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
Application number
DE8080401159T
Other languages
German (de)
English (en)
Inventor
Christian Auzet
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
Application granted granted Critical
Publication of DE3064824D1 publication Critical patent/DE3064824D1/de
Expired 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
    • H04L25/4917—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 multilevel codes
    • H04L25/4923—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 multilevel codes using ternary codes
    • H04L25/4925—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 multilevel codes using ternary codes using balanced bipolar ternary codes

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
DE8080401159T 1979-08-06 1980-08-06 Information code conversion method for line transmission and transmission system using such a method Expired DE3064824D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7920063A FR2463542A1 (fr) 1979-08-06 1979-08-06 Procede de codage ternaire d'informations binaires pour transmission sur ligne et systeme de transmission l'utilisant

Publications (1)

Publication Number Publication Date
DE3064824D1 true DE3064824D1 (en) 1983-10-20

Family

ID=9228641

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080401159T Expired DE3064824D1 (en) 1979-08-06 1980-08-06 Information code conversion method for line transmission and transmission system using such a method

Country Status (3)

Country Link
EP (1) EP0024236B1 (https=)
DE (1) DE3064824D1 (https=)
FR (1) FR2463542A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486740A (en) * 1982-12-06 1984-12-04 At&T Bell Laboratories DC Cancellation in ternary-coded data systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215779A (en) * 1961-02-24 1965-11-02 Hallicrafters Co Digital data conversion and transmission system
US3302193A (en) * 1964-01-02 1967-01-31 Bell Telephone Labor Inc Pulse transmission system
US3587088A (en) * 1967-12-21 1971-06-22 Bell Telephone Labor Inc Multilevel pulse transmission systems employing codes having three or more alphabets
GB1539389A (en) * 1975-12-30 1979-01-31 Standard Telephones Cables Ltd Data transmission

Also Published As

Publication number Publication date
FR2463542B1 (https=) 1983-10-07
EP0024236B1 (fr) 1983-09-14
FR2463542A1 (fr) 1981-02-20
EP0024236A1 (fr) 1981-02-25

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee