BE469467A - - Google Patents
Info
- Publication number
- BE469467A BE469467A BE469467DA BE469467A BE 469467 A BE469467 A BE 469467A BE 469467D A BE469467D A BE 469467DA BE 469467 A BE469467 A BE 469467A
- 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
- H03D3/06—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
- H03D3/12—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 discharge tubes having more than two electrodes
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- 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)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US321610A US2257092A (en) | 1940-03-01 | 1940-03-01 | Frequency-modulated carriersignal translating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE469467A true BE469467A (de) |
Family
ID=23251272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE469467D BE469467A (de) | 1940-03-01 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2257092A (de) |
| BE (1) | BE469467A (de) |
| FR (1) | FR880428A (de) |
| GB (1) | GB545586A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2467035A (en) * | 1945-10-03 | 1949-04-12 | Belmont Radio Corp | Frequency discriminator |
-
0
- BE BE469467D patent/BE469467A/xx unknown
-
1940
- 1940-03-01 US US321610A patent/US2257092A/en not_active Expired - Lifetime
-
1941
- 1941-02-03 GB GB1401/41A patent/GB545586A/en not_active Expired
- 1941-02-28 FR FR880428D patent/FR880428A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2257092A (en) | 1941-09-30 |
| FR880428A (fr) | 1943-03-25 |
| GB545586A (en) | 1942-06-03 |