FR877358A - Démodulateur de fréquence - Google Patents
Démodulateur de fréquenceInfo
- Publication number
- FR877358A FR877358A FR877358DA FR877358A FR 877358 A FR877358 A FR 877358A FR 877358D A FR877358D A FR 877358DA FR 877358 A FR877358 A FR 877358A
- Authority
- FR
- France
- Prior art keywords
- frequency demodulator
- demodulator
- frequency
- 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
- 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
- H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
- H03D3/08—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
- Rectifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US365442A US2276488A (en) | 1940-11-13 | 1940-11-13 | Frequency detector and control voltage supply |
Publications (1)
Publication Number | Publication Date |
---|---|
FR877358A true FR877358A (fr) | 1942-12-04 |
Family
ID=23438930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR877358D Expired FR877358A (fr) | 1940-11-13 | 1941-12-01 | Démodulateur de fréquence |
Country Status (4)
Country | Link |
---|---|
US (1) | US2276488A (fr) |
FR (1) | FR877358A (fr) |
GB (1) | GB551970A (fr) |
NL (1) | NL103767B (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2477391A (en) * | 1944-11-24 | 1949-07-26 | Avco Mfg Corp | Radio receiving system |
US2501120A (en) * | 1945-04-26 | 1950-03-21 | Rca Corp | Frequency modulation receiver tuning aid |
US2533496A (en) * | 1946-04-18 | 1950-12-12 | Motorola Inc | Low-level bridge discriminator |
US2498954A (en) * | 1946-05-07 | 1950-02-28 | Panoramic Radio Corp | Panoramic receiver with means for modifying signal pulses applied to indicators |
-
0
- NL NL103767D patent/NL103767B/xx unknown
-
1940
- 1940-11-13 US US365442A patent/US2276488A/en not_active Expired - Lifetime
-
1941
- 1941-12-01 FR FR877358D patent/FR877358A/fr not_active Expired
-
1942
- 1942-02-07 GB GB1658/42A patent/GB551970A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2276488A (en) | 1942-03-17 |
GB551970A (en) | 1943-03-17 |
NL103767B (fr) |
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