ATE38302T1 - Frequenzregelung eines filters mit gyromagnetischen resonatoren. - Google Patents
Frequenzregelung eines filters mit gyromagnetischen resonatoren.Info
- Publication number
- ATE38302T1 ATE38302T1 AT85400490T AT85400490T ATE38302T1 AT E38302 T1 ATE38302 T1 AT E38302T1 AT 85400490 T AT85400490 T AT 85400490T AT 85400490 T AT85400490 T AT 85400490T AT E38302 T1 ATE38302 T1 AT E38302T1
- Authority
- AT
- Austria
- Prior art keywords
- delta
- magnetic field
- filter
- operating
- subject
- Prior art date
Links
- 230000001419 dependent effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/14—Controlling the magnetic state of inductor cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/215—Frequency-selective devices, e.g. filters using ferromagnetic material
- H01P1/218—Frequency-selective devices, e.g. filters using ferromagnetic material the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Gyroscopes (AREA)
- Navigation (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8404199A FR2561448B1 (fr) | 1984-03-19 | 1984-03-19 | Dispositif de controle de la frequence d'un filtre a resonance gyromagnetique |
| EP85400490A EP0160587B1 (de) | 1984-03-19 | 1985-03-14 | Frequenzregelung eines Filters mit gyromagnetischen Resonatoren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE38302T1 true ATE38302T1 (de) | 1988-11-15 |
Family
ID=9302167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT85400490T ATE38302T1 (de) | 1984-03-19 | 1985-03-14 | Frequenzregelung eines filters mit gyromagnetischen resonatoren. |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0160587B1 (de) |
| AT (1) | ATE38302T1 (de) |
| DE (1) | DE3565917D1 (de) |
| FR (1) | FR2561448B1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4817200A (en) * | 1987-02-26 | 1989-03-28 | Hewlett-Packard Company | Tracking YIG tuned filter-mixer |
| DE4030930A1 (de) * | 1990-09-29 | 1992-04-02 | Lutz Dr Sc Techn Rothe | Verfahren zur magnetostatischen codierung sicherungstechnischer sensor- und aktorsysteme |
| RU2139611C1 (ru) * | 1998-05-25 | 1999-10-10 | Институт физики им.Л.В.Киренского СО РАН | Свч-выключатель |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1416474A (en) * | 1972-03-22 | 1975-12-03 | Varian Associates | Tunable ferrimagnetic resonant circuit arrangement |
| GB1492862A (en) * | 1975-09-26 | 1977-11-23 | Keane W | Frequency discriminator |
| FR2343360A1 (fr) * | 1976-02-17 | 1977-09-30 | Cgr Mev | Dispositif de controle automatique de la frequence d'un generateur hyperfrequence alimentant un organe resonnant soumis a des fluctuations thermiques |
| US4153849A (en) * | 1977-08-01 | 1979-05-08 | Bunker Ramo Corporation | Circuit for normalizing devices having current-controlled frequency response to predetermined I-F characteristic |
| US4243949A (en) * | 1978-11-17 | 1981-01-06 | The United States Of America As Represented By The Secretary Of The Navy | Frequency stabilization technique for microstrip oscillators |
-
1984
- 1984-03-19 FR FR8404199A patent/FR2561448B1/fr not_active Expired
-
1985
- 1985-03-14 DE DE8585400490T patent/DE3565917D1/de not_active Expired
- 1985-03-14 AT AT85400490T patent/ATE38302T1/de not_active IP Right Cessation
- 1985-03-14 EP EP85400490A patent/EP0160587B1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0160587B1 (de) | 1988-10-26 |
| DE3565917D1 (en) | 1988-12-01 |
| FR2561448A1 (fr) | 1985-09-20 |
| EP0160587A1 (de) | 1985-11-06 |
| FR2561448B1 (fr) | 1986-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69828713T2 (de) | Vibrationsstrukturkreisel | |
| DE3850753D1 (de) | Induktives Datenübertragungssystem. | |
| ATE147516T1 (de) | Hochfrequenz-volumenresonator für magnetische kernresonanz | |
| CA2152180A1 (en) | Phase locked loop synchronization circuit and method | |
| DE69129155D1 (de) | Nmr-frequenzverriegelungskreis | |
| DE69006935D1 (de) | Gradientspulenaufbauten für die Erzeugung von Magnetfeldgradienten über einem Bereich. | |
| US4998066A (en) | MR examination apparatus comprising a circuit for decoupling the two coil systems of a quadrature coil arrangement | |
| DE69407529D1 (de) | Vorrichtung zur Überwachung der Phasenverschiebung zwischen zwei Taktsignalen | |
| ATE38302T1 (de) | Frequenzregelung eines filters mit gyromagnetischen resonatoren. | |
| DE3480427D1 (en) | Offset gradient fields in nuclear magnetic resonance imaging systems | |
| DE69615251T2 (de) | Verfahren zum aktiven Auswuchten eines Vibrationskreiselsensorelements | |
| GB1379758A (en) | Method and means for magnetic modulation | |
| GB1505188A (en) | Microtron accelerator comprising a hyperfrequency resonant system | |
| US5019792A (en) | Signal tracking electronically tunable filter | |
| EP1063535A3 (de) | Selektive Anregung magnetischer Resonanz in Gegenwart einer Gradientenfeld-Nichtlinearität | |
| ATE152307T1 (de) | Schleifenfilter für einen frequenzsynthesierer | |
| JPS56118602A (en) | Moving object detector | |
| EP0830617B1 (de) | Abfragegerät für passive resonatoren als frequenzanaloge sensoren mit funkregelung | |
| DK426389A (da) | Fremgangsmaade og kredsloeb til konstatering af tilstedevaerelse eller ikke-tilstedevaerelse af mindst en frekvens med en kendt vaerdi i et af flere frekvenser sammensat indgangssignal | |
| SU1524115A1 (ru) | Устройство дл стабилизации частоты настройки ферритового элемента | |
| FR2260105A1 (en) | Sequential analysis method for sample constituents - uses electromagnetic field in nuclear magnetic resonance spectrometer | |
| RU1812142C (ru) | Устройство дл электромагнитной подвески транспортного средства | |
| SU1601305A1 (ru) | Электронный замок | |
| SU1688264A1 (ru) | Дифференцирующее устройство | |
| JPS5583473A (en) | Series inverter equipped with oscillating frequency controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |