BE521287A - - Google Patents
Info
- Publication number
- BE521287A BE521287A BE521287DA BE521287A BE 521287 A BE521287 A BE 521287A BE 521287D A BE521287D A BE 521287DA BE 521287 A BE521287 A BE 521287A
- Authority
- BE
- Belgium
- Prior art keywords
- coil
- inductance
- tuning
- sleeves
- energy transfer
- Prior art date
Links
- 238000002955 isolation Methods 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 13
- 230000001808 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000789 fastener Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000003071 parasitic Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000037250 Clearance Effects 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000035512 clearance Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 244000045947 parasites Species 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F21/00—Variable inductances or transformers of the signal type
- H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
- H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
- H01F21/065—Measures for obtaining a desired relation between the position of the core and the inductance
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE521287A true BE521287A (de) |
Family
ID=156901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE521287D BE521287A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE521287A (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2860248A (en) * | 1954-06-09 | 1958-11-11 | Aladdin Ind Inc | Wide range radio frequency tuner |
| US5032816A (en) * | 1986-08-25 | 1991-07-16 | The Superior Electric Company | Longitudinally contoured conductor for inductive electrical devices |
-
0
- BE BE521287D patent/BE521287A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2860248A (en) * | 1954-06-09 | 1958-11-11 | Aladdin Ind Inc | Wide range radio frequency tuner |
| US5032816A (en) * | 1986-08-25 | 1991-07-16 | The Superior Electric Company | Longitudinally contoured conductor for inductive electrical devices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0649181B1 (de) | Antenne für tragbares Funkgerät, Verfahren zur Herstellung einer derartigen Antenne und tragbares Funkgerät mit einer derartigen Antenne | |
| FR2710457A1 (fr) | Agencement d'antenne pour un dispositif de communication sans fil. | |
| EP0504776B1 (de) | Verlustarmes Koaxialkabel | |
| FR2849288A1 (fr) | Une antenne de faible volume, notamment pour radiotelephones portatifs | |
| EP1607761B1 (de) | Multifrequenz-Stromeinspeisung und Spule und NMR-Spektrometer mit einer solchen Stromeinspeisung | |
| EP0445017B1 (de) | Koaxialer Resonator mit verteilter Abstimmkapazität | |
| FR2739498A1 (fr) | Assemblage d'antenne pour dispositif de communication sans fil | |
| EP0308935B1 (de) | Armbandantenne für Radioempfänger, der in eine Uhr eingebaut ist | |
| BE521287A (de) | ||
| FR2844923A1 (fr) | Antenne helicoidale a large bande | |
| EP1192684A1 (de) | Demontierbare kapazitiv belastete stabantenne, und verfahren zur herstellung eines strahlenden segments einer solchen antenne | |
| FR2605169A1 (fr) | Dispositif de demagnetisation et de mise a la masse pour un tube-image, et machine pour le fabriquer | |
| EP1607760B1 (de) | Schaltkreis zur Stromeinspeisung in eine Spule und NMR-Spektrometer mit einem solchen Schaltkreis | |
| EP1579526A2 (de) | Mit metallisiertem synthetischen schaumstoff realisiertes hochfrequenz-koaxialfilter | |
| EP0487388B1 (de) | Drossel, insbesondere für Kurzwellen | |
| EP0090703B1 (de) | Schutzeinrichtung für variable hochfrequente Induktanz hoher Leistung | |
| FR2526232A1 (fr) | Perfectionnements apportes aux cavites resonnantes du type lignes de transmission | |
| FR2814286A1 (fr) | Antenne helice a brins de largeur variable | |
| WO2004019448A1 (fr) | Antenne de faible volume | |
| BE347636A (de) | ||
| FR2757996A1 (fr) | Transformateur haute tension a enroulements en vrac ranges | |
| BE441386A (de) | ||
| EP1025620A1 (de) | Abstrahlendes koaxialkabel | |
| CH540556A (fr) | Condensateur, notamment pour tensions et fréquences élevées | |
| BE490141A (de) |