FR2199629A2 - - Google Patents

Info

Publication number
FR2199629A2
FR2199629A2 FR7233530A FR7233530A FR2199629A2 FR 2199629 A2 FR2199629 A2 FR 2199629A2 FR 7233530 A FR7233530 A FR 7233530A FR 7233530 A FR7233530 A FR 7233530A FR 2199629 A2 FR2199629 A2 FR 2199629A2
Authority
FR
France
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.)
Granted
Application number
FR7233530A
Other languages
French (fr)
Other versions
FR2199629B2 (enrdf_load_stackoverflow
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
Alcatel CIT SA
Nokia Inc
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
Priority claimed from FR7136797A external-priority patent/FR2161744B1/fr
Application filed by Alcatel CIT SA, Nokia Inc filed Critical Alcatel CIT SA
Priority to FR7233530A priority Critical patent/FR2199629B2/fr
Publication of FR2199629A2 publication Critical patent/FR2199629A2/fr
Application granted granted Critical
Publication of FR2199629B2 publication Critical patent/FR2199629B2/fr
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
    • 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)
FR7233530A 1971-10-13 1972-09-21 Expired FR2199629B2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7233530A FR2199629B2 (enrdf_load_stackoverflow) 1971-10-13 1972-09-21

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7136797A FR2161744B1 (enrdf_load_stackoverflow) 1971-10-13 1971-10-13
FR7233530A FR2199629B2 (enrdf_load_stackoverflow) 1971-10-13 1972-09-21

Publications (2)

Publication Number Publication Date
FR2199629A2 true FR2199629A2 (enrdf_load_stackoverflow) 1974-04-12
FR2199629B2 FR2199629B2 (enrdf_load_stackoverflow) 1980-02-15

Family

ID=26216660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7233530A Expired FR2199629B2 (enrdf_load_stackoverflow) 1971-10-13 1972-09-21

Country Status (1)

Country Link
FR (1) FR2199629B2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2199629B2 (enrdf_load_stackoverflow) 1980-02-15

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