BE465751A - - Google Patents
Info
- Publication number
- BE465751A BE465751A BE465751DA BE465751A BE 465751 A BE465751 A BE 465751A BE 465751D A BE465751D A BE 465751DA BE 465751 A BE465751 A BE 465751A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/30—Angle modulation by means of transit-time tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Particle Accelerators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4136/42A GB558036A (en) | 1942-03-28 | 1942-03-28 | Improvements relating to the operation of electronic vacuum tubes or valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE465751A true BE465751A (fi) |
Family
ID=9771430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE465751D BE465751A (fi) | 1942-03-28 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2485925A (fi) |
| BE (1) | BE465751A (fi) |
| FR (1) | FR925494A (fi) |
| GB (1) | GB558036A (fi) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2332540A (en) * | 1941-02-27 | 1943-10-26 | Philco Radio & Television Corp | Method and apparatus for receiving frequency modulated waves |
| US2294372A (en) * | 1941-10-31 | 1942-09-01 | Rca Corp | Phase modulation |
-
0
- BE BE465751D patent/BE465751A/xx unknown
-
1942
- 1942-03-28 GB GB4136/42A patent/GB558036A/en not_active Expired
-
1946
- 1946-04-11 FR FR925494D patent/FR925494A/fr not_active Expired
-
1947
- 1947-02-26 US US731105A patent/US2485925A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR925494A (fr) | 1947-09-04 |
| GB558036A (en) | 1943-12-16 |
| US2485925A (en) | 1949-10-25 |