BE509401A - - Google Patents
Info
- Publication number
- BE509401A BE509401A BE509401DA BE509401A BE 509401 A BE509401 A BE 509401A BE 509401D A BE509401D A BE 509401DA BE 509401 A BE509401 A BE 509401A
- Authority
- BE
- Belgium
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)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL299120X | 1951-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE509401A true BE509401A (ja�@�@) |
Family
ID=19783146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE509401D BE509401A (ja�@�@) | 1951-02-23 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE509401A (ja�@�@) |
| CH (1) | CH299120A (ja�@�@) |
| FR (1) | FR1054908A (ja�@�@) |
| GB (1) | GB710205A (ja�@�@) |
-
0
- BE BE509401D patent/BE509401A/xx unknown
-
1952
- 1952-02-20 GB GB4499/52A patent/GB710205A/en not_active Expired
- 1952-02-21 FR FR1054908D patent/FR1054908A/fr not_active Expired
- 1952-02-21 CH CH299120D patent/CH299120A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB710205A (en) | 1954-06-09 |
| CH299120A (de) | 1954-05-31 |
| FR1054908A (fr) | 1954-02-15 |