BE378336A - - Google Patents
Info
- Publication number
- BE378336A BE378336A BE378336DA BE378336A BE 378336 A BE378336 A BE 378336A BE 378336D A BE378336D A BE 378336DA BE 378336 A BE378336 A BE 378336A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/04—Modulator circuits; Transmitter circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Microwave Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8988/30A GB351051A (en) | 1930-03-20 | 1930-03-20 | Improvements in or relating to keying arrangements for use in high frequency circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE378336A true BE378336A (en:Method) | 1931-04-30 |
Family
ID=9863189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE378336D BE378336A (en:Method) | 1930-03-20 | 1931-03-19 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1938631A (en:Method) |
| BE (1) | BE378336A (en:Method) |
| DE (2) | DE538841C (en:Method) |
| FR (1) | FR708795A (en:Method) |
| GB (1) | GB351051A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE755785C (de) * | 1933-03-16 | 1952-03-31 | Marconi Wireless Telegraph Co | Anordnung zur automatischen Einschaltung eines Senders mit Hilfe von gleichgerichteten Modulationsschwingungen |
-
1930
- 1930-03-20 GB GB8988/30A patent/GB351051A/en not_active Expired
-
1931
- 1931-01-03 FR FR708795D patent/FR708795A/fr not_active Expired
- 1931-03-06 US US520587A patent/US1938631A/en not_active Expired - Lifetime
- 1931-03-19 BE BE378336D patent/BE378336A/xx unknown
- 1931-03-20 DE DEM114597D patent/DE538841C/de not_active Expired
-
1932
- 1932-08-19 DE DEM123937D patent/DE590808C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1938631A (en) | 1933-12-12 |
| DE590808C (de) | 1934-01-11 |
| FR708795A (fr) | 1931-07-28 |
| GB351051A (en) | 1931-06-22 |
| DE538841C (de) | 1931-11-17 |