IT975237B - Codificatore per la trasmissione di segnali binari ad elevata velo cita - Google Patents

Codificatore per la trasmissione di segnali binari ad elevata velo cita

Info

Publication number
IT975237B
IT975237B IT7021272A IT7021272A IT975237B IT 975237 B IT975237 B IT 975237B IT 7021272 A IT7021272 A IT 7021272A IT 7021272 A IT7021272 A IT 7021272A IT 975237 B IT975237 B IT 975237B
Authority
IT
Italy
Prior art keywords
cita
encoder
transmission
high speed
binary signals
Prior art date
Application number
IT7021272A
Other languages
English (en)
Italian (it)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of IT975237B publication Critical patent/IT975237B/it

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
    • H04N1/4135—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information in which a baseband signal showing more than two values or a continuously varying baseband signal is transmitted or recorded

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
IT7021272A 1971-10-13 1972-10-12 Codificatore per la trasmissione di segnali binari ad elevata velo cita IT975237B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7136797A FR2161744B1 (enrdf_load_stackoverflow) 1971-10-13 1971-10-13

Publications (1)

Publication Number Publication Date
IT975237B true IT975237B (it) 1974-07-20

Family

ID=9084310

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7021272A IT975237B (it) 1971-10-13 1972-10-12 Codificatore per la trasmissione di segnali binari ad elevata velo cita

Country Status (9)

Country Link
BE (1) BE789644A (enrdf_load_stackoverflow)
CA (1) CA971666A (enrdf_load_stackoverflow)
DE (1) DE2249819C2 (enrdf_load_stackoverflow)
FR (1) FR2161744B1 (enrdf_load_stackoverflow)
GB (1) GB1357837A (enrdf_load_stackoverflow)
IT (1) IT975237B (enrdf_load_stackoverflow)
LU (1) LU66254A1 (enrdf_load_stackoverflow)
NL (1) NL156288B (enrdf_load_stackoverflow)
SE (1) SE387498B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250898A (en) * 1990-12-12 1992-06-17 Stc Plc Line coding scheme.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337863A (en) * 1964-01-17 1967-08-22 Automatic Elect Lab Polybinary techniques
US3459892A (en) * 1965-09-14 1969-08-05 Bendix Corp Digital data transmission system wherein a binary level is represented by a change in the amplitude of the transmitted signal
FR1579145A (enrdf_load_stackoverflow) * 1967-07-27 1969-08-22

Also Published As

Publication number Publication date
GB1357837A (en) 1974-06-26
DE2249819C2 (de) 1982-09-16
CA971666A (en) 1975-07-22
FR2161744B1 (enrdf_load_stackoverflow) 1977-08-05
SE387498B (sv) 1976-09-06
NL7213636A (enrdf_load_stackoverflow) 1973-04-17
FR2161744A1 (enrdf_load_stackoverflow) 1973-07-13
DE2249819A1 (de) 1973-04-19
NL156288B (nl) 1978-03-15
LU66254A1 (enrdf_load_stackoverflow) 1973-04-13
BE789644A (fr) 1973-04-04

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