BE494210A - - Google Patents
Info
- Publication number
- BE494210A BE494210A BE494210DA BE494210A BE 494210 A BE494210 A BE 494210A BE 494210D A BE494210D A BE 494210DA BE 494210 A BE494210 A BE 494210A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
- H04Q9/06—Calling by using amplitude or polarity of dc
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR986449T | 1949-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE494210A true BE494210A (fr) |
Family
ID=9538055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE494210D BE494210A (fr) | 1949-03-07 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE494210A (fr) |
| FR (2) | FR986449A (fr) |
| GB (1) | GB724752A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2643204B1 (fr) * | 1989-02-13 | 1994-03-25 | Ruty Jean Luc | Dispositif de decodage d'un systeme de transmission audio en plusieurs langues codees et un systeme de codage audio en plusieurs langues |
-
0
- BE BE494210D patent/BE494210A/xx unknown
-
1949
- 1949-03-07 FR FR986449D patent/FR986449A/fr not_active Expired
-
1950
- 1950-02-15 FR FR60064D patent/FR60064E/fr not_active Expired
- 1950-03-07 GB GB5804/50A patent/GB724752A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB724752A (en) | 1955-02-23 |
| FR986449A (fr) | 1951-07-31 |
| FR60064E (fr) | 1954-09-22 |