BE502649A - - Google Patents
Info
- Publication number
- BE502649A BE502649A BE502649DA BE502649A BE 502649 A BE502649 A BE 502649A BE 502649D A BE502649D A BE 502649DA BE 502649 A BE502649 A BE 502649A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/06—Cavity resonators
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C7/00—Modulating electromagnetic waves
- H03C7/02—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas
- H03C7/022—Modulating electromagnetic waves in transmission lines, waveguides, cavity resonators or radiation fields of antennas using ferromagnetic devices, e.g. ferrites
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/26—Automatic control of frequency or phase; Synchronisation using energy levels of molecules, atoms, or subatomic particles as a frequency reference
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL293317X | 1950-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE502649A true BE502649A (US07816562-20101019-C00012.png) |
Family
ID=19782858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE502649D BE502649A (US07816562-20101019-C00012.png) | 1950-04-20 |
Country Status (7)
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2798207A (en) * | 1951-08-17 | 1957-07-02 | Reggia Frank | Magnetic microwave attenuators |
| BE514905A (US07816562-20101019-C00012.png) * | 1951-10-19 | |||
| US2798203A (en) * | 1952-04-05 | 1957-07-02 | Bell Telephone Labor Inc | Modulated electron discharge device |
| US2832938A (en) * | 1952-08-18 | 1958-04-29 | George T Rado | Polarization plane rotator for microwave energy |
| US2801389A (en) * | 1952-11-18 | 1957-07-30 | Ernest G Linder | High energy bombardment-inducedconductivity control of electrical circuits |
| US2890422A (en) * | 1953-01-26 | 1959-06-09 | Allen Bradley Co | Electrically resonant dielectric body |
| BE526805A (US07816562-20101019-C00012.png) * | 1953-02-27 | |||
| US2820951A (en) * | 1953-03-17 | 1958-01-21 | Thompson Prod Inc | Attenuator |
| US2929034A (en) * | 1953-04-29 | 1960-03-15 | Bell Telephone Labor Inc | Magnetic transmission systems |
| NL94077C (US07816562-20101019-C00012.png) * | 1953-04-29 | |||
| US3076946A (en) * | 1953-06-17 | 1963-02-05 | Bell Telephone Labor Inc | Nonreciprocal rectangular wave guide device |
| US2894209A (en) * | 1953-07-13 | 1959-07-07 | Varian Associates | Gyromagnetic resonance apparatus |
| US2909738A (en) * | 1953-08-17 | 1959-10-20 | Bell Telephone Labor Inc | Broadband nonreciprocal devices |
| US2980870A (en) * | 1954-02-15 | 1961-04-18 | Gen Precision Inc | Microwave field rotator |
| US2954535A (en) * | 1954-03-09 | 1960-09-27 | Bell Telephone Labor Inc | Non-reciprocal wave transmission |
| US2830162A (en) * | 1954-06-22 | 1958-04-08 | Raytheon Mfg Co | Heating method and apparatus |
| US2857574A (en) * | 1954-12-23 | 1958-10-21 | Hazeltine Research Inc | Tunable electrical resonator |
| DE1259982B (de) * | 1954-12-30 | 1968-02-01 | Siemens Ag | Veraenderbare Impedanz fuer kurze und sehr kurze elektromagnetische Wellen |
| US2776412A (en) * | 1955-02-04 | 1957-01-01 | Litton Industries Inc | Magnetic system for microwave components |
| US2913687A (en) * | 1955-03-02 | 1959-11-17 | Hughes Aircraft Co | Dielectric support for ferrites in waveguide devices |
| US2908878A (en) * | 1955-05-27 | 1959-10-13 | Robert F Sullivan | Microwave switching device |
| US2909734A (en) * | 1955-06-03 | 1959-10-20 | Bell Telephone Labor Inc | Nonreciprocal wave transmission |
| US2964669A (en) * | 1955-08-25 | 1960-12-13 | Rca Corp | Traveling wave tube |
| US2963668A (en) * | 1955-12-28 | 1960-12-06 | Bell Telephone Labor Inc | Broad-band electromagnetic wave transmission means |
| US3099805A (en) * | 1956-01-09 | 1963-07-30 | Hughes Aircraft Co | Bidirectional coupling between waveguides via two nonreciprocal gyromagnetic coupling rods |
| US2951215A (en) * | 1956-02-02 | 1960-08-30 | Hughes Aircraft Co | Waveguide coupling device with switching arrangement |
| US2961658A (en) * | 1956-12-11 | 1960-11-22 | Edward G Spencer | Microwave energy radiators |
| US2951216A (en) * | 1956-12-17 | 1960-08-30 | Hughes Aircraft Co | Reflectionless microwave filter |
| US2881395A (en) * | 1957-01-07 | 1959-04-07 | Sylvania Electric Prod | Modulation apparatus |
| US2905940A (en) * | 1957-05-02 | 1959-09-22 | Edward G Spencer | Electromagnetically steered microwave antenna |
| US2951214A (en) * | 1957-09-23 | 1960-08-30 | Hans A Bomke | Microwave modulation system |
| US2971087A (en) * | 1958-06-17 | 1961-02-07 | Nat Res Dev | Microwave mixers |
| US3095543A (en) * | 1959-06-22 | 1963-06-25 | Raytheon Co | Means for modulating high frequency generators |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2174701A (en) * | 1937-07-28 | 1939-10-03 | Rca Corp | Ultra high frequency modulator |
| GB504238A (en) * | 1937-07-28 | 1939-04-21 | Marconi Wireless Telegraph Co | Improvements in or relating to ultra high frequency apparatus |
| BE459248A (US07816562-20101019-C00012.png) * | 1944-03-02 |
-
0
- BE BE502649D patent/BE502649A/xx unknown
- NL NL87176D patent/NL87176C/xx active
- NL NL686813385A patent/NL153072B/xx unknown
-
1951
- 1951-04-14 US US221024A patent/US2645758A/en not_active Expired - Lifetime
- 1951-04-17 GB GB8992/51A patent/GB693596A/en not_active Expired
- 1951-04-18 FR FR1041733D patent/FR1041733A/fr not_active Expired
- 1951-04-18 DE DEN3789A patent/DE855276C/de not_active Expired
- 1951-04-18 CH CH293317D patent/CH293317A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB693596A (en) | 1953-07-01 |
| NL153072B (nl) | |
| DE855276C (de) | 1952-11-10 |
| FR1041733A (fr) | 1953-10-26 |
| NL87176C (US07816562-20101019-C00012.png) | |
| CH293317A (de) | 1953-09-15 |
| US2645758A (en) | 1953-07-14 |
