BE801780A - Equipement a fonctionnement numerique pour former un systeme multiplex de frequence - Google Patents

Equipement a fonctionnement numerique pour former un systeme multiplex de frequence

Info

Publication number
BE801780A
BE801780A BE1005208A BE1005208A BE801780A BE 801780 A BE801780 A BE 801780A BE 1005208 A BE1005208 A BE 1005208A BE 1005208 A BE1005208 A BE 1005208A BE 801780 A BE801780 A BE 801780A
Authority
BE
Belgium
Prior art keywords
operation equipment
frequency system
digital operation
multiplex frequency
multiplex
Prior art date
Application number
BE1005208A
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 BE801780A publication Critical patent/BE801780A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
BE1005208A 1972-07-03 1973-07-02 Equipement a fonctionnement numerique pour former un systeme multiplex de frequence BE801780A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7224032A FR2191826A5 (xx) 1972-07-03 1972-07-03

Publications (1)

Publication Number Publication Date
BE801780A true BE801780A (fr) 1974-01-02

Family

ID=9101270

Family Applications (1)

Application Number Title Priority Date Filing Date
BE1005208A BE801780A (fr) 1972-07-03 1973-07-02 Equipement a fonctionnement numerique pour former un systeme multiplex de frequence

Country Status (9)

Country Link
US (1) US3875340A (xx)
BE (1) BE801780A (xx)
DE (1) DE2333870A1 (xx)
FR (1) FR2191826A5 (xx)
GB (1) GB1437205A (xx)
IE (1) IE37872B1 (xx)
IT (1) IT991652B (xx)
LU (1) LU67901A1 (xx)
NL (1) NL7309282A (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086536A (en) * 1975-06-24 1978-04-25 Honeywell Inc. Single sideband transmitter apparatus
US4001510A (en) * 1975-07-07 1977-01-04 Motorola, Inc. Digital modulator and demodulator system for fdm telephony
US4316282A (en) * 1979-11-23 1982-02-16 Rca Corporation Multichannel frequency translation of sampled waveforms by decimation and interpolation
DE3120445A1 (de) * 1981-05-22 1983-05-26 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur frequenzvertausch von teilbaendern
JPS6259432A (ja) * 1985-09-10 1987-03-16 Nec Corp Ｆｄｍ／ｔｄｍ相互変換方式
DE3626862A1 (de) * 1986-08-08 1988-02-11 Philips Patentverwaltung Mehrstufige sender- antennenkoppeleinrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
LU67901A1 (xx) 1974-01-03
IE37872L (en) 1974-01-03
NL7309282A (xx) 1974-01-07
US3875340A (en) 1975-04-01
FR2191826A5 (xx) 1974-02-01
DE2333870A1 (de) 1974-01-17
GB1437205A (en) 1976-05-26
IE37872B1 (en) 1977-11-09
IT991652B (it) 1975-08-30

Similar Documents

Publication Publication Date Title
BE819960A (fr) Systeme pour servir de la nourriture
FI52120C (fi) Laite kutomattoman kuitukerroksen valmistamiseksi
BE797165A (fr) Tableau de distribution pour un systeme de transmission par faisceau hertzien
BE762630A (fr) Systeme de communication pour service a large bande
BE821100A (fr) Systeme de synchronisation digitale
BE821101A (fr) Systeme de synchronisation digitale
FR2306582A1 (fr) Generateur de synchronisation pour systeme de television
BE824951A (fr) Systeme double de synchonisation de deviation
BE801780A (fr) Equipement a fonctionnement numerique pour former un systeme multiplex de frequence
BE779857A (fr) Systeme de communication multiplex a division de frequence
BE820642A (fr) Circuit pour accorder un recepteur
BE828714A (nl) Systeme de raccordement pour gaz sous pression
IT998867B (it) Apparecchiatura per vincolare un anello di tenuta ad un dispositivo di chiusura
NL7413050A (nl) Inrichting voor digitale frekwentievermenig- vuldiging.
SE414103B (sv) Anordning for atersynkronisering av en mottagare for tidsmultiplexsignaler
BE797716A (fr) Systeme decodeur pour un signal de modulation de frequence a quatre canaux
FR2275945A1 (fr) Systeme de synchronisation pour reseau de transmission numerique
AR205176A1 (es) Procedimiento de preparacion de un pozo filtrante
CA1025101A (en) Device for extracting a predetermined synchronizing signal from a composite synchronizing signal
BE835660A (fr) Separateur de signaux de synchronisation
AT328520B (de) Digitales zeitmultiplexfernmeldesystem
BE745092A (fr) Modulateur numerique de frequence
AR199345A1 (es) Aparato productor de hielo
BE805864A (fr) Equipement modulateur pour la formation d'un systeme telephonique multiplex de frequence
BE818484A (fr) Multiplexeur pour voies telephoniques