GB674874A - Improvements in electromagnetic devices - Google Patents
Improvements in electromagnetic devicesInfo
- Publication number
- GB674874A GB674874A GB3693/49A GB369349A GB674874A GB 674874 A GB674874 A GB 674874A GB 3693/49 A GB3693/49 A GB 3693/49A GB 369349 A GB369349 A GB 369349A GB 674874 A GB674874 A GB 674874A
- Authority
- GB
- United Kingdom
- Prior art keywords
- field
- circuit
- curve
- magnetic
- polarizing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005291 magnetic effect Effects 0.000 abstract 4
- 238000001514 detection method Methods 0.000 abstract 1
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/22—Attenuating devices
- H01P1/23—Attenuating devices using ferromagnetic material
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/04—Coaxial resonators
-
- 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)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL272407X | 1948-02-13 | ||
NL161048X | 1948-10-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB674874A true GB674874A (en) | 1952-07-02 |
Family
ID=26643476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3693/49A Expired GB674874A (en) | 1948-02-13 | 1949-02-10 | Improvements in electromagnetic devices |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE487331A (de) |
CH (1) | CH272407A (de) |
DE (1) | DE806150C (de) |
FR (1) | FR980648A (de) |
GB (1) | GB674874A (de) |
NL (1) | NL138838B (de) |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2834945A (en) * | 1955-04-25 | 1958-05-13 | Bell Telephone Labor Inc | Field displacement isolator |
US2907964A (en) * | 1955-09-22 | 1959-10-06 | Bell Telephone Labor Inc | Gyromagnetic polarizing device |
US2908878A (en) * | 1955-05-27 | 1959-10-13 | Robert F Sullivan | Microwave switching device |
US2918572A (en) * | 1956-05-08 | 1959-12-22 | Decca Record Co Ltd | Variable impedance microwave apparatus |
US2920292A (en) * | 1956-08-30 | 1960-01-05 | Bell Telephone Labor Inc | Power saturable wave guide components |
US2922129A (en) * | 1953-07-08 | 1960-01-19 | Bell Telephone Labor Inc | Hall effect device for electromagnetic waves |
US2924794A (en) * | 1957-12-19 | 1960-02-09 | Bell Telephone Labor Inc | Nonreciprocal attenuator |
US2941168A (en) * | 1954-02-23 | 1960-06-14 | Monogram Prec Ind Inc | Unidirectional transmission line |
US2944232A (en) * | 1953-04-29 | 1960-07-05 | Philips Corp | Device comprising a cavity resonator |
US2965863A (en) * | 1956-06-19 | 1960-12-20 | Bell Telephone Labor Inc | Magnetic tuned cavity resonator |
US2970274A (en) * | 1958-03-21 | 1961-01-31 | Bell Telephone Labor Inc | Solid state amplifier |
US2972122A (en) * | 1958-04-25 | 1961-02-14 | Bell Telephone Labor Inc | Nonreciprocal wave transmission |
US2989709A (en) * | 1955-09-16 | 1961-06-20 | Bell Telephone Labor Inc | Magnetically controlled wave guide switch |
US2993180A (en) * | 1953-12-31 | 1961-07-18 | Bell Telephone Labor Inc | Non-reciprocal wave transmission |
US2994842A (en) * | 1959-02-20 | 1961-08-01 | Polytechnic Inst Brooklyn | Coupled-coil wave circulator |
US3004153A (en) * | 1957-01-04 | 1961-10-10 | Alford Andrew | Circuit for use with a plurality of antennas |
US3013266A (en) * | 1957-04-18 | 1961-12-12 | Westinghouse Electric Corp | Beam steering apparatus employing ferrites |
US3038133A (en) * | 1956-11-09 | 1962-06-05 | Philips Corp | Non-reciprocal electric coupling device |
US3072869A (en) * | 1959-04-29 | 1963-01-08 | Bell Telephone Labor Inc | Reciprocal gyromagnetic loss device |
US3078425A (en) * | 1956-07-12 | 1963-02-19 | Sperry Rand Corp | Non-reciprocal tm mode transducer |
US3221276A (en) * | 1961-04-27 | 1965-11-30 | Gen Electric | Microwave variable reactance device operating about a resonant condition |
WO2014207453A1 (en) * | 2013-06-25 | 2014-12-31 | Bae Systems Plc | Non-linear transmission line device |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL92837C (de) * | 1951-05-26 | |||
US2798207A (en) * | 1951-08-17 | 1957-07-02 | Reggia Frank | Magnetic microwave attenuators |
DE910671C (de) * | 1951-09-18 | 1954-05-06 | Oskar Vierling Dr | Schaltungsanordnung fuer magneitsche Modler, Modulatoren, Relais, Verstaerker usw. |
FR65027E (fr) * | 1952-02-05 | 1956-01-25 | Int Standard Electric Corp | Méthodes et dispositifs magnéto-optiques |
DE949242C (de) * | 1952-03-16 | 1956-09-13 | Blaupunkt Werke G M B H Zweign | UEberlagerungsempfaenger fuer frequenzmodulierte Schwingungen mit automatischer Scharfeinstellung |
US2784382A (en) * | 1952-04-05 | 1957-03-05 | Thompson Prod Inc | Magnetic high frequency attenuator |
US2832938A (en) * | 1952-08-18 | 1958-04-29 | George T Rado | Polarization plane rotator for microwave energy |
DE977200C (de) * | 1953-02-01 | 1965-06-10 | Siemens Ag | Gyratoreinrichtung |
US2820951A (en) * | 1953-03-17 | 1958-01-21 | Thompson Prod Inc | Attenuator |
US2951220A (en) * | 1953-06-17 | 1960-08-30 | Bell Telephone Labor Inc | Wave guide with polarized ferrite element |
US3076946A (en) * | 1953-06-17 | 1963-02-05 | Bell Telephone Labor Inc | Nonreciprocal rectangular wave guide device |
US2850701A (en) * | 1953-08-07 | 1958-09-02 | Bell Telephone Labor Inc | Nonreciprocal wave transmission component |
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 |
US2922125A (en) * | 1954-10-20 | 1960-01-19 | Bell Telephone Labor Inc | Nonreciprocal single crystal ferrite devices |
BE549727A (de) * | 1955-07-22 | |||
US2866165A (en) * | 1955-08-05 | 1958-12-23 | Gen Precision Lab Inc | Microwave duplexer |
US2844799A (en) * | 1955-09-15 | 1958-07-22 | Bell Telephone Labor Inc | Guided wave transmission system |
US2951215A (en) * | 1956-02-02 | 1960-08-30 | Hughes Aircraft Co | Waveguide coupling device with switching arrangement |
US3095546A (en) * | 1956-03-01 | 1963-06-25 | Sylvania Electric Prod | Gyromagnetic isolator using a nonuniform magnetic bias |
DE1180847B (de) * | 1956-03-28 | 1964-11-05 | Siemens Ag | Einrichtung zur AEnderung des Schein-widerstandes eines Kondensators |
US2848688A (en) * | 1956-04-09 | 1958-08-19 | Gen Precision Lab Inc | Microwave switching circuit |
NL217093A (de) * | 1956-05-12 | |||
US2951216A (en) * | 1956-12-17 | 1960-08-30 | Hughes Aircraft Co | Reflectionless microwave filter |
NL224219A (de) * | 1957-01-26 | |||
NL224231A (de) * | 1957-02-15 | |||
NL226155A (de) * | 1957-05-09 | |||
US2979675A (en) * | 1957-08-22 | 1961-04-11 | Bell Telephone Labor Inc | Non-reciprocal wave transmission |
DE1085934B (de) * | 1958-01-03 | 1960-07-28 | Hughes Aircraft Co | Vorrichtung zur UEbertragung elektromagnetischer Wellen |
DE1055624B (de) * | 1958-04-24 | 1959-04-23 | Dr Rer Nat Hans Severin | Magnetisch veraenderbarer ? fuer koaxiale Leitungen |
NL265707A (de) * | 1960-06-09 | |||
DE1163927B (de) * | 1961-02-13 | 1964-02-27 | Siemens Ag | Nichtreziproke gyromagnetische Anordnung fuer Einrichtungen der Hoechstfrequenztechnik |
DE1259422B (de) * | 1963-03-14 | 1968-01-25 | Philips Patentverwaltung | Reziproker Phasenschieber zur UEbertragung grosser Leistungen |
-
0
- NL NL646404369A patent/NL138838B/xx unknown
- BE BE487331D patent/BE487331A/xx unknown
-
1949
- 1949-02-10 GB GB3693/49A patent/GB674874A/en not_active Expired
- 1949-02-11 FR FR980648D patent/FR980648A/fr not_active Expired
- 1949-02-11 CH CH272407D patent/CH272407A/de unknown
-
1950
- 1950-01-01 DE DEN334A patent/DE806150C/de not_active Expired
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2944232A (en) * | 1953-04-29 | 1960-07-05 | Philips Corp | Device comprising a cavity resonator |
US2922129A (en) * | 1953-07-08 | 1960-01-19 | Bell Telephone Labor Inc | Hall effect device for electromagnetic waves |
US2993180A (en) * | 1953-12-31 | 1961-07-18 | Bell Telephone Labor Inc | Non-reciprocal wave transmission |
US2941168A (en) * | 1954-02-23 | 1960-06-14 | Monogram Prec Ind Inc | Unidirectional transmission line |
US2834945A (en) * | 1955-04-25 | 1958-05-13 | Bell Telephone Labor Inc | Field displacement isolator |
US2908878A (en) * | 1955-05-27 | 1959-10-13 | Robert F Sullivan | Microwave switching device |
US2989709A (en) * | 1955-09-16 | 1961-06-20 | Bell Telephone Labor Inc | Magnetically controlled wave guide switch |
US2907964A (en) * | 1955-09-22 | 1959-10-06 | Bell Telephone Labor Inc | Gyromagnetic polarizing device |
US2918572A (en) * | 1956-05-08 | 1959-12-22 | Decca Record Co Ltd | Variable impedance microwave apparatus |
US2965863A (en) * | 1956-06-19 | 1960-12-20 | Bell Telephone Labor Inc | Magnetic tuned cavity resonator |
US3078425A (en) * | 1956-07-12 | 1963-02-19 | Sperry Rand Corp | Non-reciprocal tm mode transducer |
US2920292A (en) * | 1956-08-30 | 1960-01-05 | Bell Telephone Labor Inc | Power saturable wave guide components |
US3038133A (en) * | 1956-11-09 | 1962-06-05 | Philips Corp | Non-reciprocal electric coupling device |
US3004153A (en) * | 1957-01-04 | 1961-10-10 | Alford Andrew | Circuit for use with a plurality of antennas |
US3013266A (en) * | 1957-04-18 | 1961-12-12 | Westinghouse Electric Corp | Beam steering apparatus employing ferrites |
US2924794A (en) * | 1957-12-19 | 1960-02-09 | Bell Telephone Labor Inc | Nonreciprocal attenuator |
US2970274A (en) * | 1958-03-21 | 1961-01-31 | Bell Telephone Labor Inc | Solid state amplifier |
US2972122A (en) * | 1958-04-25 | 1961-02-14 | Bell Telephone Labor Inc | Nonreciprocal wave transmission |
US2994842A (en) * | 1959-02-20 | 1961-08-01 | Polytechnic Inst Brooklyn | Coupled-coil wave circulator |
US3072869A (en) * | 1959-04-29 | 1963-01-08 | Bell Telephone Labor Inc | Reciprocal gyromagnetic loss device |
US3221276A (en) * | 1961-04-27 | 1965-11-30 | Gen Electric | Microwave variable reactance device operating about a resonant condition |
WO2014207453A1 (en) * | 2013-06-25 | 2014-12-31 | Bae Systems Plc | Non-linear transmission line device |
US10263565B2 (en) | 2013-06-25 | 2019-04-16 | Bae Systems Plc | Non-linear transmission line device |
Also Published As
Publication number | Publication date |
---|---|
DE806150C (de) | 1951-06-11 |
CH272407A (de) | 1950-12-15 |
FR980648A (fr) | 1951-05-16 |
NL138838B (nl) | |
BE487331A (de) |
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