BE807892A - Modulateur de groupe a fonctionnement numerique - Google Patents

Modulateur de groupe a fonctionnement numerique

Info

Publication number
BE807892A
BE807892A BE1005533A BE1005533A BE807892A BE 807892 A BE807892 A BE 807892A BE 1005533 A BE1005533 A BE 1005533A BE 1005533 A BE1005533 A BE 1005533A BE 807892 A BE807892 A BE 807892A
Authority
BE
Belgium
Prior art keywords
digital operation
group modulator
modulator
group
digital
Prior art date
Application number
BE1005533A
Other languages
English (en)
French (fr)
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of BE807892A publication Critical patent/BE807892A/xx

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)
BE1005533A 1972-12-07 1973-11-28 Modulateur de groupe a fonctionnement numerique BE807892A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE807892A true BE807892A (fr) 1974-05-28

Family

ID=9108373

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1005533A BE807892A (fr) 1972-12-07 1973-11-28 Modulateur de groupe a fonctionnement numerique

Country Status (11)

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

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 (ja) * 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
FR2210061B1 (ja) 1977-04-08
IT999317B (it) 1976-02-20
DE2358113A1 (de) 1974-06-12
NL7316797A (ja) 1974-06-11
FR2210061A1 (ja) 1974-07-05
LU68933A1 (ja) 1974-07-05
CA1010582A (fr) 1977-05-17
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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