FR957230A - - Google Patents
Info
- Publication number
- FR957230A FR957230A FR957230DA FR957230A FR 957230 A FR957230 A FR 957230A FR 957230D A FR957230D A FR 957230DA FR 957230 A FR957230 A FR 957230A
- 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
- 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)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB272425X | 1946-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR957230A true FR957230A (en) | 1950-02-17 |
Family
ID=10256410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR957230D Expired FR957230A (en) | 1946-11-29 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH272425A (en) |
| FR (1) | FR957230A (en) |
| GB (1) | GB625294A (en) |
-
0
- FR FR957230D patent/FR957230A/fr not_active Expired
-
1946
- 1946-11-29 GB GB35465/46A patent/GB625294A/en not_active Expired
-
1947
- 1947-11-29 CH CH272425D patent/CH272425A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB625294A (en) | 1949-06-24 |
| CH272425A (en) | 1950-12-15 |