BE754708A - Perfectionnements aux dispositifs de transmission digitalisee de signaux de type telephonique - Google Patents

Perfectionnements aux dispositifs de transmission digitalisee de signaux de type telephonique

Info

Publication number
BE754708A
BE754708A BE754708DA BE754708A BE 754708 A BE754708 A BE 754708A BE 754708D A BE754708D A BE 754708DA BE 754708 A BE754708 A BE 754708A
Authority
BE
Belgium
Prior art keywords
signal transmission
transmission devices
type signal
digitalized
telephone
Prior art date
Application number
Other languages
English (en)
Inventor
P Deman
J-M Komatitsch
Original Assignee
Thomson Csf
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.)
Publication date
Publication of BE754708A publication Critical patent/BE754708A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • H04B14/048—Non linear compression or expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
BE754708D 1969-08-29 Perfectionnements aux dispositifs de transmission digitalisee de signaux de type telephonique BE754708A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6929592A FR2056081A5 (fr) 1969-08-29 1969-08-29

Publications (1)

Publication Number Publication Date
BE754708A true BE754708A (fr) 1971-01-18

Family

ID=9039537

Family Applications (1)

Application Number Title Priority Date Filing Date
BE754708D BE754708A (fr) 1969-08-29 Perfectionnements aux dispositifs de transmission digitalisee de signaux de type telephonique

Country Status (6)

Country Link
BE (1) BE754708A (fr)
CH (1) CH526887A (fr)
DE (1) DE2042470A1 (fr)
FR (1) FR2056081A5 (fr)
GB (1) GB1287171A (fr)
NL (1) NL7012511A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL190093C (nl) * 1979-12-17 1993-10-18 Victor Company Of Japan Comprimeer- en expandeerstelsel.
GB2160394B (en) * 1984-05-02 1988-03-16 Pioneer Electronic Corp Noise reduction system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL147080B (nl) * 1948-06-19 Mead Corp Werkwijze ter vervaardiging van een registratiemateriaal, geschikt voor het ontwikkelen van gekleurde beelden met een kleurreagens, en aldus vervaardigd registratiemateriaal.
US3026375A (en) * 1958-05-09 1962-03-20 Bell Telephone Labor Inc Transmission of quantized signals
US3187323A (en) * 1961-10-24 1965-06-01 North American Aviation Inc Automatic scaler for analog-to-digital converter
FR89055E (fr) * 1963-01-25 1967-05-05 Int Standard Electric Corp Transmission des valeurs numériques en code digital

Also Published As

Publication number Publication date
NL7012511A (fr) 1971-03-02
DE2042470A1 (de) 1971-03-18
CH526887A (fr) 1972-08-15
FR2056081A5 (fr) 1971-05-14
GB1287171A (en) 1972-08-31

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