BE801780A - Equipement a fonctionnement numerique pour former un systeme multiplex de frequence - Google Patents
Equipement a fonctionnement numerique pour former un systeme multiplex de frequenceInfo
- 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
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)
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)
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)
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 |
-
1972
- 1972-07-03 FR FR7224032A patent/FR2191826A5/fr not_active Expired
-
1973
- 1973-06-29 LU LU67901A patent/LU67901A1/xx unknown
- 1973-07-02 BE BE1005208A patent/BE801780A/xx unknown
- 1973-07-02 IT IT68956/73A patent/IT991652B/it active
- 1973-07-03 US US376169A patent/US3875340A/en not_active Expired - Lifetime
- 1973-07-03 NL NL7309282A patent/NL7309282A/xx not_active Application Discontinuation
- 1973-07-03 DE DE19732333870 patent/DE2333870A1/de active Pending
- 1973-07-03 IE IE1110/73A patent/IE37872B1/xx unknown
- 1973-07-03 GB GB3175373A patent/GB1437205A/en not_active Expired
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 |