FR764900A - System for the emission and transmission of electric waves by a multiple modulation process, and related apparatus - Google Patents
System for the emission and transmission of electric waves by a multiple modulation process, and related apparatusInfo
- Publication number
- FR764900A FR764900A FR764900DA FR764900A FR 764900 A FR764900 A FR 764900A FR 764900D A FR764900D A FR 764900DA FR 764900 A FR764900 A FR 764900A
- Authority
- FR
- France
- Prior art keywords
- emission
- transmission
- modulation process
- related apparatus
- electric waves
- 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)
- Transmitters (AREA)
- Amplitude Modulation (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 |
---|---|
FR764900A true FR764900A (en) | 1934-05-28 |
Family
ID=10319481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR764900D Expired FR764900A (en) | 1932-11-09 | 1933-11-07 | System for the emission and transmission of electric waves by a multiple modulation process, and related apparatus |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE399491A (en) |
FR (1) | FR764900A (en) |
GB (1) | GB433286A (en) |
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/en 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 |
BE399491A (en) | 1933-12-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR818520A (en) | High frequency electric wave transmission system | |
FR882808A (en) | Method and apparatus for frequency modulation | |
FR764900A (en) | System for the emission and transmission of electric waves by a multiple modulation process, and related apparatus | |
FR756946A (en) | Method for synchronizing transmitters operating on a common wave | |
FR754760A (en) | Improved method and devices for transmitting electrical signals | |
FR755113A (en) | Wave transmitters and receivers | |
FR49681E (en) | Cable transmission system, multiple carrier frequencies | |
FR863144A (en) | Wave transmission method and system | |
SU24456A1 (en) | Device for the input of multicore telegraph cables | |
CA327617A (en) | Apparatus for forming fibrous bell-mouth tube ends | |
FR842226A (en) | Multiplex carrier wave transmission system | |
FR835652A (en) | Wave transmission system | |
FR806038A (en) | Method and apparatus for transmitting and receiving telegraph signals | |
FR717499A (en) | Improvements to methods and apparatus for transmitting and receiving orders | |
AU951832A (en) | Improved apparatus for producing hydrocarbon gas | |
AU101902B2 (en) | A system for the transmission of electro-magnetic waves over a wave guide | |
CA328205A (en) | Audition apparatus | |
FR765021A (en) | Method for transmitting television images using the light ray exploration method | |
CA319535A (en) | Telegraph receiving apparatus | |
CA323101A (en) | Hydrocarbon converting apparatus | |
CA320823A (en) | Well swabbing apparatus | |
FR859753A (en) | High frequency electromagnetic wave transmission system | |
DK49101C (en) | Apparatus for Receiving High Frequency Waves. | |
FR818739A (en) | Electric carrier wave transmission system | |
CA320442A (en) | Apparatus for treating hydrocarbons |