BE480549A - - Google Patents
Info
- Publication number
- BE480549A BE480549A BE480549DA BE480549A BE 480549 A BE480549 A BE 480549A BE 480549D A BE480549D A BE 480549DA BE 480549 A BE480549 A BE 480549A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/20—Frequency-division multiplex systems in which at least one carrier is angle-modulated
-
- 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)
- Stereo-Broadcasting Methods (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US533479XA | 1938-11-12 | 1938-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE480549A true BE480549A (US07714131-20100511-C00038.png) |
Family
ID=21983579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE480549D BE480549A (US07714131-20100511-C00038.png) | 1938-11-12 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE480549A (US07714131-20100511-C00038.png) |
| DE (1) | DE746192C (US07714131-20100511-C00038.png) |
| GB (1) | GB533479A (US07714131-20100511-C00038.png) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR493660A (fr) * | 1917-08-04 | 1919-08-19 | Lucien Levy | Système de transmission électrique à distance, applicable particulièrement à la télégraphie et téléphonie sans fil |
| BE433916A (US07714131-20100511-C00038.png) * | 1933-01-24 | |||
| NL51362C (US07714131-20100511-C00038.png) * | 1935-09-14 |
-
0
- BE BE480549D patent/BE480549A/xx unknown
-
1939
- 1939-11-10 GB GB29794/39A patent/GB533479A/en not_active Expired
- 1939-11-12 DE DEL99437D patent/DE746192C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB533479A (en) | 1941-02-13 |
| DE746192C (de) | 1944-06-19 |
