CH526887A - Dispositif de transmission de signaux phoniques par voie téléphonique ou radiophonique - Google Patents

Dispositif de transmission de signaux phoniques par voie téléphonique ou radiophonique

Info

Publication number
CH526887A
CH526887A CH1225370A CH1225370A CH526887A CH 526887 A CH526887 A CH 526887A CH 1225370 A CH1225370 A CH 1225370A CH 1225370 A CH1225370 A CH 1225370A CH 526887 A CH526887 A CH 526887A
Authority
CH
Switzerland
Prior art keywords
telephone
radio
transmitting
phonic signals
phonic
Prior art date
Application number
CH1225370A
Other languages
English (en)
Inventor
Deman Pierre
Komatitsch Jean-Marc
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.)
Filing date
Publication date
Application filed by Thomson Csf filed Critical Thomson Csf
Publication of CH526887A publication Critical patent/CH526887A/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)
CH1225370A 1969-08-29 1970-08-14 Dispositif de transmission de signaux phoniques par voie téléphonique ou radiophonique CH526887A (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
CH526887A true CH526887A (fr) 1972-08-15

Family

ID=9039537

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1225370A CH526887A (fr) 1969-08-29 1970-08-14 Dispositif de transmission de signaux phoniques par voie téléphonique ou radiophonique

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
BE489677A (fr) * 1948-06-19
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
DE2042470A1 (de) 1971-03-18
FR2056081A5 (fr) 1971-05-14
BE754708A (fr) 1971-01-18
NL7012511A (fr) 1971-03-02
GB1287171A (en) 1972-08-31

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Legal Events

Date Code Title Description
PL Patent ceased