BE431680A - - Google Patents
Info
- Publication number
- BE431680A BE431680A BE431680DA BE431680A BE 431680 A BE431680 A BE 431680A BE 431680D A BE431680D A BE 431680DA BE 431680 A BE431680 A BE 431680A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
- H04H20/77—Wired systems using carrier waves
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE208097X | 1937-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE431680A true BE431680A (en:Method) |
Family
ID=5794048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431680D BE431680A (en:Method) | 1937-12-17 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE431680A (en:Method) |
| CH (1) | CH208097A (en:Method) |
| FR (1) | FR847560A (en:Method) |
-
0
- BE BE431680D patent/BE431680A/xx unknown
-
1938
- 1938-12-14 FR FR847560D patent/FR847560A/fr not_active Expired
- 1938-12-14 CH CH208097D patent/CH208097A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH208097A (de) | 1939-12-31 |
| FR847560A (fr) | 1939-10-12 |