BE479537A - - Google Patents
Info
- Publication number
- BE479537A BE479537A BE479537DA BE479537A BE 479537 A BE479537 A BE 479537A BE 479537D A BE479537D A BE 479537DA BE 479537 A BE479537 A BE 479537A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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)
- Amplitude Modulation (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- X-Ray Techniques (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL266789X | 1947-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479537A true BE479537A (de) |
Family
ID=19781767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479537D BE479537A (de) | 1947-01-14 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2531866A (de) |
| BE (1) | BE479537A (de) |
| CH (1) | CH266789A (de) |
| DE (1) | DE832306C (de) |
| FR (1) | FR959556A (de) |
| GB (1) | GB643290A (de) |
| NL (1) | NL66481C (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE969436C (de) * | 1951-04-26 | 1958-06-04 | Lorenz C Ag | Anordnung zur Demodulation frequenz- oder phasenmodulierter Schwingungen |
| US2844720A (en) * | 1954-12-06 | 1958-07-22 | Radio Frequency Lab Inc | Frequency shift discriminator |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2296090A (en) * | 1942-09-15 | Frequency modulation receiver | ||
| US2087429A (en) * | 1935-06-06 | 1937-07-20 | Rca Corp | Phase and frequency modulation wave receiving system |
| US2239757A (en) * | 1940-01-02 | 1941-04-29 | Rca Corp | Signal detecting system |
| US2263615A (en) * | 1940-04-06 | 1941-11-25 | Rca Corp | Frequency modulation detector |
| US2284444A (en) * | 1940-08-27 | 1942-05-26 | Bell Telephone Labor Inc | Demodulation circuit |
| US2273771A (en) * | 1941-04-10 | 1942-02-17 | Rca Corp | Frequency modulated carrier detector |
| BE476627A (de) * | 1941-12-19 | |||
| BE469561A (de) * | 1942-05-06 |
-
0
- BE BE479537D patent/BE479537A/xx unknown
- FR FR959556D patent/FR959556A/fr not_active Expired
- NL NL66481D patent/NL66481C/xx active
-
1948
- 1948-01-06 US US732A patent/US2531866A/en not_active Expired - Lifetime
- 1948-01-10 GB GB822/48A patent/GB643290A/en not_active Expired
- 1948-01-12 CH CH266789D patent/CH266789A/de unknown
- 1948-11-05 DE DEP20754A patent/DE832306C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL66481C (de) | |
| DE832306C (de) | 1952-02-21 |
| FR959556A (de) | 1950-03-31 |
| CH266789A (de) | 1950-02-15 |
| GB643290A (en) | 1950-09-15 |
| US2531866A (en) | 1950-11-28 |