ZA734088B - Transmitter-receiver for telephone signals - Google Patents

Transmitter-receiver for telephone signals

Info

Publication number
ZA734088B
ZA734088B ZA734088A ZA734088A ZA734088B ZA 734088 B ZA734088 B ZA 734088B ZA 734088 A ZA734088 A ZA 734088A ZA 734088 A ZA734088 A ZA 734088A ZA 734088 B ZA734088 B ZA 734088B
Authority
ZA
South Africa
Prior art keywords
transmitter
receiver
telephone signals
telephone
signals
Prior art date
Application number
ZA734088A
Inventor
C Dechaux
C Galopin
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 ZA734088B publication Critical patent/ZA734088B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
ZA734088A 1972-06-27 1973-06-15 Transmitter-receiver for telephone signals ZA734088B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7223174A FR2191797A5 (en) 1972-06-27 1972-06-27

Publications (1)

Publication Number Publication Date
ZA734088B true ZA734088B (en) 1974-05-29

Family

ID=9100883

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA734088A ZA734088B (en) 1972-06-27 1973-06-15 Transmitter-receiver for telephone signals

Country Status (6)

Country Link
JP (1) JPS4959501A (en)
DE (1) DE2332775A1 (en)
FR (1) FR2191797A5 (en)
IT (1) IT985784B (en)
NL (1) NL7308931A (en)
ZA (1) ZA734088B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151579A (en) * 1974-05-27 1975-12-05
FR2412987A1 (en) * 1977-12-23 1979-07-20 Ibm France PROCESS FOR COMPRESSION OF DATA RELATING TO THE VOICE SIGNAL AND DEVICE IMPLEMENTING THIS PROCEDURE

Also Published As

Publication number Publication date
NL7308931A (en) 1974-01-02
IT985784B (en) 1974-12-20
FR2191797A5 (en) 1974-02-01
DE2332775A1 (en) 1974-01-10
JPS4959501A (en) 1974-06-10

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