NL156288B - Codeer- en decodeerstelsel. - Google Patents

Codeer- en decodeerstelsel.

Info

Publication number
NL156288B
NL156288B NL7213636A NL7213636A NL156288B NL 156288 B NL156288 B NL 156288B NL 7213636 A NL7213636 A NL 7213636A NL 7213636 A NL7213636 A NL 7213636A NL 156288 B NL156288 B NL 156288B
Authority
NL
Netherlands
Prior art keywords
coding
decoding scheme
decoding
scheme
Prior art date
Application number
NL7213636A
Other languages
English (en)
Dutch (nl)
Other versions
NL7213636A (fr
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
Publication of NL7213636A publication Critical patent/NL7213636A/xx
Publication of NL156288B publication Critical patent/NL156288B/xx

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)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
NL7213636A 1971-10-13 1972-10-09 Codeer- en decodeerstelsel. NL156288B (nl)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NL7213636A NL7213636A (fr) 1973-04-17
NL156288B true NL156288B (nl) 1978-03-15

Family

ID=9084310

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7213636A NL156288B (nl) 1971-10-13 1972-10-09 Codeer- en decodeerstelsel.

Country Status (9)

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

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
GB1250494A (fr) * 1967-07-27 1971-10-20

Also Published As

Publication number Publication date
CA971666A (en) 1975-07-22
DE2249819C2 (de) 1982-09-16
DE2249819A1 (de) 1973-04-19
SE387498B (sv) 1976-09-06
LU66254A1 (fr) 1973-04-13
NL7213636A (fr) 1973-04-17
BE789644A (fr) 1973-04-04
GB1357837A (en) 1974-06-26
FR2161744A1 (fr) 1973-07-13
IT975237B (it) 1974-07-20
FR2161744B1 (fr) 1977-08-05

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: CITALCATEL