BE439781A - - Google Patents
Info
- Publication number
- BE439781A BE439781A BE439781DA BE439781A BE 439781 A BE439781 A BE 439781A BE 439781D A BE439781D A BE 439781DA BE 439781 A BE439781 A BE 439781A
- Authority
- BE
- Belgium
- Prior art keywords
- screws
- fulcrum
- central
- arrangement according
- plate
- Prior art date
Links
- 229920001342 Bakelite® Polymers 0.000 claims description 3
- 239000004637 bakelite Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001681 protective effect Effects 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0153—Electrical filters; Controlling thereof
- H03H7/0161—Bandpass filters
- H03H7/0169—Intermediate frequency filters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE439781A true BE439781A (forum.php) |
Family
ID=97705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE439781D BE439781A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE439781A (forum.php) |
-
0
- BE BE439781D patent/BE439781A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9583250B2 (en) | MEMS tunable inductor | |
| US2563243A (en) | Indoor television antenna | |
| US2516981A (en) | Trimmer condenser | |
| BE439781A (forum.php) | ||
| US2751563A (en) | Radio frequency transformer and coil form | |
| US2618749A (en) | Electrical impedance unit | |
| US2199669A (en) | Tuned transmission circuits | |
| US2753532A (en) | Variable mutual double tuned i. f. transformer | |
| US2423275A (en) | Operating mechanism | |
| US20050280417A1 (en) | Multifrequency power circuit and probe and NMR spectrometer comprising such a circuit | |
| US2503100A (en) | Adjustably tuned coupling unit | |
| US3074011A (en) | Turret device for electric circuits | |
| US2503879A (en) | High-frequency transformer | |
| US2163647A (en) | High frequency tuner | |
| US2889522A (en) | Tuned transformer assembly | |
| US2876314A (en) | Switch | |
| US2641709A (en) | Frequency correction device | |
| US2606315A (en) | Tuning inductor | |
| US2632109A (en) | Uni-control mechanism for simultaneously adjusting a plurality of tuning elements | |
| US2598089A (en) | Radio-frequency inductance coils | |
| US2298498A (en) | Variable tuned transformer | |
| DE941549C (de) | Radioempfaenger mit Bandspreizung | |
| US2898465A (en) | Tuner having wafer switch discs shielded from turret switch discs by chassis | |
| US1865036A (en) | Radio circuit and apparatus | |
| US2402261A (en) | Permeability tuned band-spread circuit |