CA1010581A - Equipement modulateur pour la formation d'un systeme telephonique multiplex de frequence - Google Patents

Equipement modulateur pour la formation d'un systeme telephonique multiplex de frequence

Info

Publication number
CA1010581A
CA1010581A CA184,001A CA184001A CA1010581A CA 1010581 A CA1010581 A CA 1010581A CA 184001 A CA184001 A CA 184001A CA 1010581 A CA1010581 A CA 1010581A
Authority
CA
Canada
Prior art keywords
formation
telephone system
equipment modulator
multiplex
frequencies
Prior art date
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.)
Expired
Application number
CA184,001A
Other languages
English (en)
French (fr)
Other versions
CA184001S (en
Inventor
Jacques Renaud-Goud
Georges Duval
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
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel SA
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 Compagnie Industrielle de Telecommunication CIT Alcatel SA filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Application granted granted Critical
Publication of CA1010581A publication Critical patent/CA1010581A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA184,001A 1972-10-24 1973-10-23 Equipement modulateur pour la formation d'un systeme telephonique multiplex de frequence Expired CA1010581A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7237679A FR2204335A5 (xx) 1972-10-24 1972-10-24

Publications (1)

Publication Number Publication Date
CA1010581A true CA1010581A (fr) 1977-05-17

Family

ID=9106146

Family Applications (1)

Application Number Title Priority Date Filing Date
CA184,001A Expired CA1010581A (fr) 1972-10-24 1973-10-23 Equipement modulateur pour la formation d'un systeme telephonique multiplex de frequence

Country Status (10)

Country Link
US (1) US3882279A (xx)
BE (1) BE805864A (xx)
CA (1) CA1010581A (xx)
DE (1) DE2351118A1 (xx)
FR (1) FR2204335A5 (xx)
GB (1) GB1446897A (xx)
IE (1) IE38356B1 (xx)
IT (1) IT998955B (xx)
LU (1) LU68635A1 (xx)
NL (1) NL7314512A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2290116A1 (fr) * 1974-10-31 1976-05-28 Thomson Csf Circuit de voie pour centre de commutation telephonique et dispositifs de commutation utilisant ce circuit
FR2290103A1 (fr) * 1974-10-31 1976-05-28 Thomson Csf Artere telephonique a points d'acces multiples et reseau comportant de telles arteres
JPS5468337A (en) * 1977-11-08 1979-06-01 Sony Corp Signal transmission system for teaching machine
DE2840256C3 (de) * 1978-09-15 1981-04-30 Siemens AG, 1000 Berlin und 8000 München Verfahren zur digitalen Audio/FDM und PCM/FDM-Umsetzung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1011371A (fr) * 1949-01-25 1952-06-23 Alsacienne Constr Meca Procédé de téléphonie multiple par courants porteurs

Also Published As

Publication number Publication date
GB1446897A (en) 1976-08-18
IE38356L (en) 1974-04-24
IE38356B1 (en) 1978-03-01
FR2204335A5 (xx) 1974-05-17
IT998955B (it) 1976-02-20
DE2351118A1 (de) 1974-05-02
LU68635A1 (xx) 1974-05-09
BE805864A (fr) 1974-04-10
NL7314512A (xx) 1974-04-26
US3882279A (en) 1975-05-06

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