GB433286A - System for emitting and transmitting electrical waves - Google Patents
System for emitting and transmitting electrical wavesInfo
- Publication number
- GB433286A GB433286A GB31199/33A GB3119933A GB433286A GB 433286 A GB433286 A GB 433286A GB 31199/33 A GB31199/33 A GB 31199/33A GB 3119933 A GB3119933 A GB 3119933A GB 433286 A GB433286 A GB 433286A
- Authority
- GB
- United Kingdom
- Prior art keywords
- carrier
- modulated
- sub
- valve
- currents
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE399491D BE399491A (el) | 1932-11-09 | 1933-11-04 | |
FR764900D FR764900A (fr) | 1932-11-09 | 1933-11-07 | Système d'émission et de transmission d'ondes électriques par un procédé de modulation multiple, et appareils y relatifs |
GB31199/33A GB433286A (en) | 1932-11-09 | 1933-11-09 | System for emitting and transmitting electrical waves |
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 |
---|---|
GB433286A true GB433286A (en) | 1935-08-12 |
Family
ID=10319481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB31199/33A Expired GB433286A (en) | 1932-11-09 | 1933-11-09 | System for emitting and transmitting electrical waves |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE399491A (el) |
FR (1) | FR764900A (el) |
GB (1) | GB433286A (el) |
Cited By (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
Cited By (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 |
Also Published As
Publication number | Publication date |
---|---|
FR764900A (fr) | 1934-05-28 |
BE399491A (el) | 1933-12-30 |
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