IT999317B - Modulatore di gruppo a funziona mento numerico - Google Patents

Modulatore di gruppo a funziona mento numerico

Info

Publication number
IT999317B
IT999317B IT31123/73A IT3112373A IT999317B IT 999317 B IT999317 B IT 999317B IT 31123/73 A IT31123/73 A IT 31123/73A IT 3112373 A IT3112373 A IT 3112373A IT 999317 B IT999317 B IT 999317B
Authority
IT
Italy
Prior art keywords
numerical operation
group modulator
modulator
group
numerical
Prior art date
Application number
IT31123/73A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT999317B publication Critical patent/IT999317B/it

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
IT31123/73A 1972-12-07 1973-11-09 Modulatore di gruppo a funziona mento numerico IT999317B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT999317B true IT999317B (it) 1976-02-20

Family

ID=9108373

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31123/73A IT999317B (it) 1972-12-07 1973-11-09 Modulatore di gruppo a funziona mento numerico

Country Status (11)

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

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 (it) * 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
DE2358113A1 (de) 1974-06-12
FR2210061A1 (it) 1974-07-05
BE807892A (fr) 1974-05-28
LU68933A1 (it) 1974-07-05
CA1010582A (fr) 1977-05-17
US3912870A (en) 1975-10-14
IE38524B1 (en) 1978-03-29
FR2210061B1 (it) 1977-04-08
NL7316797A (it) 1974-06-11
IE38524L (en) 1974-06-07
SE384310B (sv) 1976-04-26
GB1442416A (en) 1976-07-14

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