FR2351548A1 - Systeme de multiplexage de voies telephoniques pour la formation d'un groupe primaire - Google Patents
Systeme de multiplexage de voies telephoniques pour la formation d'un groupe primaireInfo
- Publication number
- FR2351548A1 FR2351548A1 FR7614724A FR7614724A FR2351548A1 FR 2351548 A1 FR2351548 A1 FR 2351548A1 FR 7614724 A FR7614724 A FR 7614724A FR 7614724 A FR7614724 A FR 7614724A FR 2351548 A1 FR2351548 A1 FR 2351548A1
- Authority
- FR
- France
- Prior art keywords
- modulation
- lines
- twelve
- carrier waves
- khz
- Prior art date
- 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.)
- Granted
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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7614724A FR2351548A1 (fr) | 1976-05-14 | 1976-05-14 | Systeme de multiplexage de voies telephoniques pour la formation d'un groupe primaire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7614724A FR2351548A1 (fr) | 1976-05-14 | 1976-05-14 | Systeme de multiplexage de voies telephoniques pour la formation d'un groupe primaire |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2351548A1 true FR2351548A1 (fr) | 1977-12-09 |
FR2351548B1 FR2351548B1 (fr) | 1980-01-04 |
Family
ID=9173195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7614724A Granted FR2351548A1 (fr) | 1976-05-14 | 1976-05-14 | Systeme de multiplexage de voies telephoniques pour la formation d'un groupe primaire |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2351548A1 (fr) |
-
1976
- 1976-05-14 FR FR7614724A patent/FR2351548A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2351548B1 (fr) | 1980-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |