FR2276745B2 - - Google Patents
Info
- Publication number
- FR2276745B2 FR2276745B2 FR7422641A FR7422641A FR2276745B2 FR 2276745 B2 FR2276745 B2 FR 2276745B2 FR 7422641 A FR7422641 A FR 7422641A FR 7422641 A FR7422641 A FR 7422641A FR 2276745 B2 FR2276745 B2 FR 2276745B2
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J4/00—Combined time-division and frequency-division multiplex systems
- H04J4/005—Transmultiplexing
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- 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
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Complex Calculations (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7422641A FR2276745A2 (fr) | 1972-06-15 | 1974-06-28 | Systeme pour la conversion numerique de signaux de canaux en bande de base en un signal multiplex a repartition en frequence et inversement |
GB26317/75A GB1517172A (en) | 1974-06-28 | 1975-06-20 | Telecommunication system |
US05/588,854 US4312062A (en) | 1974-06-28 | 1975-06-20 | System for digitally converting baseband channel signals into a frequency-division multiplex signal and vice versa |
SE7507273A SE424797B (sv) | 1974-06-28 | 1975-06-25 | Kopplingsanordning for digital behandling av ett givet antal kanalsignaler |
JP50079478A JPS5119433A (en) | 1974-06-28 | 1975-06-27 | Tansokuhataihoshiki |
DE2528946A DE2528946C3 (de) | 1974-06-28 | 1975-06-28 | Anordnung zur digitalen Umwandlung von Basisbandkanalsignalen in ein Frequenzmultiplexsignal und umgekehrt |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7221646A FR2188920A5 (ja) | 1972-06-15 | 1972-06-15 | |
FR7422641A FR2276745A2 (fr) | 1972-06-15 | 1974-06-28 | Systeme pour la conversion numerique de signaux de canaux en bande de base en un signal multiplex a repartition en frequence et inversement |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2276745A2 FR2276745A2 (fr) | 1976-01-23 |
FR2276745B2 true FR2276745B2 (ja) | 1978-01-13 |
Family
ID=26217165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7422641A Granted FR2276745A2 (fr) | 1972-06-15 | 1974-06-28 | Systeme pour la conversion numerique de signaux de canaux en bande de base en un signal multiplex a repartition en frequence et inversement |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2276745A2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4199660A (en) * | 1977-11-07 | 1980-04-22 | Communications Satellite Corporation | FDM/TDM Transmultiplexer |
US4785447A (en) * | 1987-02-17 | 1988-11-15 | Nec Corporation | FDM demultiplexer using oversampled digital filters |
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1974
- 1974-06-28 FR FR7422641A patent/FR2276745A2/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2276745A2 (fr) | 1976-01-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses |