BE472677A - - Google Patents
Info
- Publication number
- BE472677A BE472677A BE472677DA BE472677A BE 472677 A BE472677 A BE 472677A BE 472677D A BE472677D A BE 472677DA BE 472677 A BE472677 A BE 472677A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/006—Angle modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US313496A US2264608A (en) | 1940-01-12 | 1940-01-12 | Means and method for relaying frequency modulated signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472677A true BE472677A (US06653308-20031125-C00199.png) |
Family
ID=23215931
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472677D BE472677A (US06653308-20031125-C00199.png) | 1940-01-12 | ||
| BE473156D BE473156A (US06653308-20031125-C00199.png) | 1940-01-12 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473156D BE473156A (US06653308-20031125-C00199.png) | 1940-01-12 |
Country Status (5)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB577758A (en) * | 1944-03-25 | 1946-05-30 | Eric Lawrence Casling White | Improvements in or relating to apparatus for transmitting or receiving frequency-modulated oscillations |
| BE464402A (US06653308-20031125-C00199.png) * | 1945-02-06 | |||
| US2539474A (en) * | 1945-05-23 | 1951-01-30 | Int Standard Electric Corp | Transmission over cables by means of frequency modulation |
| US2476141A (en) * | 1946-08-21 | 1949-07-12 | Rca Corp | Frequency shift keyer |
-
0
- NL NL67372D patent/NL67372C/xx active
- BE BE472677D patent/BE472677A/xx unknown
- BE BE473156D patent/BE473156A/xx unknown
- NL NL68041D patent/NL68041C/xx active
-
1940
- 1940-01-12 US US313496A patent/US2264608A/en not_active Expired - Lifetime
-
1947
- 1947-01-11 GB GB994/47A patent/GB623219A/en not_active Expired
- 1947-01-11 GB GB999/47A patent/GB623221A/en not_active Expired
- 1947-05-05 FR FR946096D patent/FR946096A/fr not_active Expired
- 1947-05-07 FR FR946307D patent/FR946307A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL68041C (US06653308-20031125-C00199.png) | |
| NL67372C (US06653308-20031125-C00199.png) | |
| FR946096A (fr) | 1949-05-23 |
| GB623219A (en) | 1949-05-13 |
| FR946307A (fr) | 1949-05-31 |
| GB623221A (en) | 1949-05-13 |
| BE473156A (US06653308-20031125-C00199.png) | |
| US2264608A (en) | 1941-12-02 |
