ES178570A1 - Mejoras en filtros de ondas eléctricas - Google Patents
Mejoras en filtros de ondas eléctricasInfo
- Publication number
- ES178570A1 ES178570A1 ES0178570A ES178570A ES178570A1 ES 178570 A1 ES178570 A1 ES 178570A1 ES 0178570 A ES0178570 A ES 0178570A ES 178570 A ES178570 A ES 178570A ES 178570 A1 ES178570 A1 ES 178570A1
- Authority
- ES
- Spain
- Prior art keywords
- frequencies
- energy
- portions
- electric wave
- wave filters
- 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
- 238000004146 energy storage Methods 0.000 abstract 1
- 230000003534 oscillatory effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H19/00—Networks using time-varying elements, e.g. N-path filters
- H03H19/002—N-path filters
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US649064A US2485567A (en) | 1946-02-20 | 1946-02-20 | Multiple frequency filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES178570A1 true ES178570A1 (es) | 1947-08-16 |
Family
ID=24603311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0178570A Expired ES178570A1 (es) | 1946-02-20 | 1947-06-20 | Mejoras en filtros de ondas eléctricas |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2485567A (fr) |
| ES (1) | ES178570A1 (fr) |
| FR (2) | FR945651A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2964704A (en) * | 1955-02-28 | 1960-12-13 | Raytheon Co | Electrical frequency analyzer and commutator therefor |
| NL275526A (fr) * | 1961-03-30 | |||
| US3243703A (en) * | 1962-05-24 | 1966-03-29 | Gen Electric | Interpolative scanner using scanned electron discharge devices having overlapping conducting intervals |
| US3469213A (en) * | 1967-05-16 | 1969-09-23 | United Aircraft Corp | Dynamic transfer networks |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1851092A (en) * | 1927-06-21 | 1932-03-29 | American Telephone & Telegraph | Transmission delay circuits |
| US2430038A (en) * | 1943-10-05 | 1947-11-04 | Bell Telephone Labor Inc | Cathode-ray device for improving signal-to-noise ratio in radar systems |
-
1946
- 1946-02-20 US US649064A patent/US2485567A/en not_active Expired - Lifetime
-
1947
- 1947-04-24 FR FR945651D patent/FR945651A/fr not_active Expired
- 1947-06-20 ES ES0178570A patent/ES178570A1/es not_active Expired
- 1947-08-07 FR FR57510D patent/FR57510E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR57510E (fr) | 1953-01-29 |
| FR945651A (fr) | 1949-05-11 |
| US2485567A (en) | 1949-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH266786A (de) | Amplitudenstabilisierter Hochfrequenzgenerator für cm-und dm-Wellen. | |
| ES178570A1 (es) | Mejoras en filtros de ondas eléctricas | |
| FR926571A (fr) | Systèmes générateurs de fréquence | |
| CH329545A (de) | Frequenzwellenfilter | |
| CH244209A (de) | Schaltung zum Beeinflussen der Eigenfrequenz eines Schwingungskreises mittels einer im Schwingungskreis eingeschalteten veränderlichen Reaktanz. | |
| GB611056A (en) | Electro-dynamic devices for interconverting electrical oscillations and sound waves | |
| AU115670B2 (en) | Improvements in variable frequency oscillation generators | |
| ES163964A1 (es) | Aparato para recibir ondas moduladas en la frecuencia | |
| ES179061A1 (es) | Mejoras en filtros sincronizadores | |
| AU246241A (en) | Improvements in variable frequency oscillation generators | |
| NL179175B (nl) | In frequentie bestuurbare oscillator. | |
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| ES166550A2 (es) | Un generador de frecuencias decimetricas estabilizadas, aplicable en particular a las radiocomunicaciones en ondas ultracortas | |
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| ES173620A1 (es) | Perfeccionamientos en osciladores eléctricos de alta frecuencia | |
| CA404288A (fr) | Generateur d'oscillations et multiplicateur des frequences | |
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| FR983451A (fr) | Perfectionnements au contrôle de la fréquence des oscillatenrs | |
| AU116380B2 (en) | Improvements in resonant cavity devices for ultra high frequencies | |
| ES163678A1 (es) | Perfeccionamientos en la construcción de aparatos para la práctica de la llamada ondulación permanente del cabello | |
| AU149067B2 (en) | Improvements in or relating to electric variable frequency oscillation generators | |
| GR12359B (el) | Τροπος εξουδετερωσεως διακοπων ταλαντωσεως εις γεννητριας υψηλης συχνοτητος και υπερετεροδυνους δεκτας. |