BE371546A - - Google Patents
Info
- Publication number
- BE371546A BE371546A BE371546DA BE371546A BE 371546 A BE371546 A BE 371546A BE 371546D A BE371546D A BE 371546DA BE 371546 A BE371546 A BE 371546A
- 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)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR539009X | 1929-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE371546A true BE371546A (fr) |
Family
ID=8928576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE371546D BE371546A (fr) | 1929-07-18 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1949263A (fr) |
| BE (1) | BE371546A (fr) |
| DE (1) | DE539009C (fr) |
| FR (1) | FR693341A (fr) |
Families Citing this family (2)
| 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 |
| US2482460A (en) * | 1941-10-10 | 1949-09-20 | Wright Aeronautical Corp | Two-speed propeller drive system |
-
0
- BE BE371546D patent/BE371546A/xx unknown
-
1929
- 1929-07-18 FR FR693341D patent/FR693341A/fr not_active Expired
-
1930
- 1930-07-06 DE DE1930539009D patent/DE539009C/de not_active Expired
- 1930-07-16 US US468278A patent/US1949263A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR693341A (fr) | 1930-11-19 |
| US1949263A (en) | 1934-02-27 |
| DE539009C (de) | 1931-11-20 |