CA1010582A - Modulateur de groupe a fonctionnement numerique - Google Patents

Modulateur de groupe a fonctionnement numerique

Info

Publication number
CA1010582A
CA1010582A CA186,251A CA186251A CA1010582A CA 1010582 A CA1010582 A CA 1010582A CA 186251 A CA186251 A CA 186251A CA 1010582 A CA1010582 A CA 1010582A
Authority
CA
Canada
Prior art keywords
numeric operation
group modulator
modulator
group
numeric
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
CA186,251A
Other languages
English (en)
French (fr)
Other versions
CA186251S (en
Inventor
Marie-Annick Roy
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 CA1010582A publication Critical patent/CA1010582A/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
    • H04J1/05—Frequency-transposition arrangements using digital techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J4/00—Combined time-division and frequency-division multiplex systems
    • H04J4/005—Transmultiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA186,251A 1972-12-07 1973-11-20 Modulateur de groupe a fonctionnement numerique Expired CA1010582A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7243662A FR2210061B1 (xx) 1972-12-07 1972-12-07

Publications (1)

Publication Number Publication Date
CA1010582A true CA1010582A (fr) 1977-05-17

Family

ID=9108373

Family Applications (1)

Application Number Title Priority Date Filing Date
CA186,251A Expired CA1010582A (fr) 1972-12-07 1973-11-20 Modulateur de groupe a fonctionnement numerique

Country Status (11)

Country Link
US (1) US3912870A (xx)
BE (1) BE807892A (xx)
CA (1) CA1010582A (xx)
DE (1) DE2358113A1 (xx)
FR (1) FR2210061B1 (xx)
GB (1) GB1442416A (xx)
IE (1) IE38524B1 (xx)
IT (1) IT999317B (xx)
LU (1) LU68933A1 (xx)
NL (1) NL7316797A (xx)
SE (1) SE384310B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2290104A1 (fr) * 1974-10-30 1976-05-28 Trt Telecom Radio Electr Systeme de transmission de donnees par les canaux d'un multiplex a repartition en frequence
US4001510A (en) * 1975-07-07 1977-01-04 Motorola, Inc. Digital modulator and demodulator system for fdm telephony
JPS54134917A (en) * 1978-04-12 1979-10-19 Kokusai Denshin Denwa Co Ltd Device for reducing sampled frequency
DE2840256C3 (de) * 1978-09-15 1981-04-30 Siemens AG, 1000 Berlin und 8000 München Verfahren zur digitalen Audio/FDM und PCM/FDM-Umsetzung
US4745138A (en) * 1985-08-05 1988-05-17 Pony Industries, Inc. Radiation curable partial esters of anhydride-containing copolymers
DE69433255T2 (de) * 1993-02-26 2004-04-29 Nippon Telegraph And Telephone Corp. Gruppen modulator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573380A (en) * 1969-05-15 1971-04-06 Bell Telephone Labor Inc Single-sideband modulation system
FR2086709A5 (xx) * 1970-04-07 1971-12-31 Labo Cent Telecommunicat
US3676598A (en) * 1970-06-08 1972-07-11 Bell Telephone Labor Inc Frequency division multiplex single-sideband modulation system

Also Published As

Publication number Publication date
BE807892A (fr) 1974-05-28
FR2210061B1 (xx) 1977-04-08
IT999317B (it) 1976-02-20
DE2358113A1 (de) 1974-06-12
NL7316797A (xx) 1974-06-11
FR2210061A1 (xx) 1974-07-05
LU68933A1 (xx) 1974-07-05
US3912870A (en) 1975-10-14
IE38524B1 (en) 1978-03-29
GB1442416A (en) 1976-07-14
IE38524L (en) 1974-06-07
SE384310B (sv) 1976-04-26

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