BE473292A - - Google Patents
Info
- Publication number
- BE473292A BE473292A BE473292DA BE473292A BE 473292 A BE473292 A BE 473292A BE 473292D A BE473292D A BE 473292DA BE 473292 A BE473292 A BE 473292A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
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- 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
- H03D3/10—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 in which the diodes are simultaneously conducting during the same half period of the signal, e.g. radio detector
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US670386A US2561088A (en) | 1946-05-17 | 1946-05-17 | Combined amplitude and frequency modulation detectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE473292A true BE473292A (US07935154-20110503-C00006.png) |
Family
ID=24690206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473292D BE473292A (US07935154-20110503-C00006.png) | 1946-05-17 |
Country Status (5)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2739273A (en) * | 1947-03-24 | 1956-03-20 | Vendo Co | Electronic control unit for door controlling mechanism |
| US2702343A (en) * | 1949-01-06 | 1955-02-15 | Rca Corp | Piezoelectric crystal filter for exalted carrier and discriminator circuits |
| DE928180C (de) * | 1950-10-17 | 1955-05-26 | Lorenz C Ag | Demodulationsschaltung fuer umschaltbare AM-FM-Demodulatoren |
| US2773181A (en) * | 1951-10-25 | 1956-12-04 | Westinghouse Electric Corp | Frequency discriminator system |
| DE949242C (de) * | 1952-03-16 | 1956-09-13 | Blaupunkt Werke G M B H Zweign | UEberlagerungsempfaenger fuer frequenzmodulierte Schwingungen mit automatischer Scharfeinstellung |
| US2709748A (en) * | 1952-08-16 | 1955-05-31 | Westinghouse Electric Corp | Radio detector apparatus |
| NL185262B (nl) * | 1953-02-24 | Yoshida Kogyo Kk | Ritssluiting met een metalen bovenaanslagbrug die aan de boveneinden van de draagbanden is bevestigd. | |
| US2871349A (en) * | 1954-07-14 | 1959-01-27 | Jonas M Shapiro | Discriminator circuit |
| US3068475A (en) * | 1959-10-07 | 1962-12-11 | Rca Corp | Stereophonic sound signalling system |
| US3059189A (en) * | 1960-02-04 | 1962-10-16 | Rca Corp | Stereophonic detecting and matrixing circuit |
| US2980262A (en) * | 1960-08-01 | 1961-04-18 | Downey Aspasia | Knock-down display rack |
| US3163861A (en) * | 1962-05-02 | 1964-12-29 | Suter Henry | Electromagnetic field disturbance intruder detection apparatus |
| US3345571A (en) * | 1963-09-30 | 1967-10-03 | Selwyn Donald | Receiver apparatus |
| US3382440A (en) * | 1966-10-10 | 1968-05-07 | William T. Turner | Apparatus for automatically converting a radio receiver to an fm or vhf receiver |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2258599A (en) * | 1940-06-29 | 1941-10-14 | Rca Corp | Frequency-modulation receiving system |
| US2413913A (en) * | 1942-10-29 | 1947-01-07 | Rca Corp | Frequency discriminator circuit |
| US2382015A (en) * | 1943-02-23 | 1945-08-14 | Edward H Lange | Demodulator for frequency and amplitude modulation |
| US2429762A (en) * | 1944-02-05 | 1947-10-28 | Rca Corp | Combined frequency modulation and amplitude modulation detector circuits |
| US2413977A (en) * | 1944-11-18 | 1947-01-07 | Rca Corp | Angle-modulation wave receiver |
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0
- NL NL70148D patent/NL70148C/xx active
- BE BE473292D patent/BE473292A/xx unknown
-
1946
- 1946-05-17 US US670386A patent/US2561088A/en not_active Expired - Lifetime
-
1947
- 1947-05-09 FR FR946448D patent/FR946448A/fr not_active Expired
- 1947-05-13 FR FR946573D patent/FR946573A/fr not_active Expired
- 1947-05-19 GB GB13410/47A patent/GB638423A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR946448A (fr) | 1949-06-02 |
| GB638423A (en) | 1950-06-07 |
| US2561088A (en) | 1951-07-17 |
| FR946573A (fr) | 1949-06-08 |
| NL70148C (US07935154-20110503-C00006.png) |
