BE502650A - - Google Patents
Info
- Publication number
- BE502650A BE502650A BE502650DA BE502650A BE 502650 A BE502650 A BE 502650A BE 502650D A BE502650D A BE 502650DA BE 502650 A BE502650 A BE 502650A
- Authority
- BE
- Belgium
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2683—Other ferrites containing alkaline earth metals or lead
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
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- 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
- H01F21/08—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by varying the permeability of the core, e.g. by varying magnetic bias
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/008—Details of transformers or inductances, in general with temperature compensation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2730681X | 1950-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE502650A true BE502650A (es) |
Family
ID=19875506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE502650D BE502650A (es) | 1950-04-20 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2730681A (es) |
| BE (1) | BE502650A (es) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2882527A (en) * | 1953-08-05 | 1959-04-14 | Zenith Radio Corp | Antenna structure |
| US2924776A (en) * | 1955-07-26 | 1960-02-09 | Richard H Peterson | Tuner |
| US2989475A (en) * | 1955-10-25 | 1961-06-20 | Steatit Magnesia Ag | Ferrite of field independent permeability |
| DE1255990B (de) * | 1959-03-13 | 1967-12-07 | Max Baermann | Zuendspule zum Erzeugen elektrischer Funken und Schaltung mit einer solchen Spule |
| US3239783A (en) * | 1962-12-14 | 1966-03-08 | Du Pont | Temperature-responsive current controlling inductor device |
| US3663913A (en) * | 1967-12-22 | 1972-05-16 | Tohoku Metal Ind Ltd | Core coil having a improved temperature characteristic |
| DE1961951B1 (de) * | 1968-12-12 | 1970-10-22 | Matsushita Electric Ind Co Ltd | Zeilenablenktransformator |
| US4415841A (en) * | 1981-05-29 | 1983-11-15 | Rca Corporation | Television receiver ferroresonant power supply with permanent magnet biasing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US720884A (en) * | 1901-06-12 | 1903-02-17 | Charles F Burgess | Regulation of electric circuits. |
| US2059393A (en) * | 1933-12-19 | 1936-11-03 | Johnson Lab Inc | Magnetic core for high frequency inductances |
| US2169866A (en) * | 1936-01-30 | 1939-08-15 | Gen Electric | Electric control and indicating means |
| US2380242A (en) * | 1944-02-25 | 1945-07-10 | Gen Electric | Telemetering system and apparatus |
| US2509210A (en) * | 1945-07-14 | 1950-05-30 | Clark James | Equipment for measuring pulsating and steady pressure |
-
0
- BE BE502650D patent/BE502650A/xx unknown
-
1951
- 1951-04-18 US US221572A patent/US2730681A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2730681A (en) | 1956-01-10 |