BE399491A - - Google Patents
Info
- Publication number
- BE399491A BE399491A BE399491DA BE399491A BE 399491 A BE399491 A BE 399491A BE 399491D A BE399491D A BE 399491DA BE 399491 A BE399491 A BE 399491A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/08—Transmission systems not characterised by the medium used for transmission characterised by the use of a sub-carrier
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplitude Modulation (AREA)
- Transmitters (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT764900X | 1932-11-09 | ||
| GB31199/33A GB433286A (en) | 1932-11-09 | 1933-11-09 | System for emitting and transmitting electrical waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE399491A true BE399491A (pt) | 1933-12-30 |
Family
ID=10319481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE399491D BE399491A (pt) | 1932-11-09 | 1933-11-04 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE399491A (pt) |
| FR (1) | FR764900A (pt) |
| GB (1) | GB433286A (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2459698A (en) * | 1944-11-20 | 1949-01-18 | Farnsworth Res Corp | Modulation system |
| US2523315A (en) * | 1947-06-06 | 1950-09-26 | Farnsworth Res Corp | Selective calling system |
-
1933
- 1933-11-04 BE BE399491D patent/BE399491A/xx unknown
- 1933-11-07 FR FR764900D patent/FR764900A/fr not_active Expired
- 1933-11-09 GB GB31199/33A patent/GB433286A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB433286A (en) | 1935-08-12 |
| FR764900A (fr) | 1934-05-28 |