CH272407A - Elektromagnetische Vorrichtung, bei der ein magnetisches Wechselfeld in einem ferromagnetischen Medium wirksam ist. - Google Patents

Elektromagnetische Vorrichtung, bei der ein magnetisches Wechselfeld in einem ferromagnetischen Medium wirksam ist.

Info

Publication number
CH272407A
CH272407A CH272407DA CH272407A CH 272407 A CH272407 A CH 272407A CH 272407D A CH272407D A CH 272407DA CH 272407 A CH272407 A CH 272407A
Authority
CH
Switzerland
Prior art keywords
effective
magnetic field
alternating magnetic
electromagnetic device
ferromagnetic medium
Prior art date
Application number
Other languages
English (en)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH272407A publication Critical patent/CH272407A/de

Links

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Amplitude Modulation (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
CH272407D 1948-02-13 1949-02-11 Elektromagnetische Vorrichtung, bei der ein magnetisches Wechselfeld in einem ferromagnetischen Medium wirksam ist. CH272407A (de)

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
CH272407A true CH272407A (de) 1950-12-15

Family

ID=26643476

Family Applications (1)

Application Number Title Priority Date Filing Date
CH272407D CH272407A (de) 1948-02-13 1949-02-11 Elektromagnetische Vorrichtung, bei der ein magnetisches Wechselfeld in einem ferromagnetischen Medium wirksam ist.

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1055624B (de) * 1958-04-24 1959-04-23 Dr Rer Nat Hans Severin Magnetisch veraenderbarer ? fuer koaxiale Leitungen
DE977200C (de) * 1953-02-01 1965-06-10 Siemens Ag Gyratoreinrichtung

Families Citing this family (53)

* Cited by examiner, † Cited by third party
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.
BE517412A (de) * 1952-02-05
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
US2820951A (en) * 1953-03-17 1958-01-21 Thompson Prod Inc Attenuator
NL94077C (de) * 1953-04-29
US2924794A (en) * 1957-12-19 1960-02-09 Bell Telephone Labor Inc Nonreciprocal 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
US2922129A (en) * 1953-07-08 1960-01-19 Bell Telephone Labor Inc Hall effect device for electromagnetic waves
US2850701A (en) * 1953-08-07 1958-09-02 Bell Telephone Labor Inc Nonreciprocal wave transmission component
US2993180A (en) * 1953-12-31 1961-07-18 Bell Telephone Labor Inc Non-reciprocal wave transmission
US2980870A (en) * 1954-02-15 1961-04-18 Gen Precision Inc Microwave field rotator
US2941168A (en) * 1954-02-23 1960-06-14 Monogram Prec Ind Inc Unidirectional transmission line
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
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
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
NL112888C (de) * 1955-09-16
US2907964A (en) * 1955-09-22 1959-10-06 Bell Telephone Labor Inc Gyromagnetic polarizing device
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
US2918572A (en) * 1956-05-08 1959-12-22 Decca Record Co Ltd Variable impedance microwave apparatus
NL217093A (de) * 1956-05-12
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
NL212081A (de) * 1956-11-09
US2951216A (en) * 1956-12-17 1960-08-30 Hughes Aircraft Co Reflectionless microwave filter
US3004153A (en) * 1957-01-04 1961-10-10 Alford Andrew Circuit for use with a plurality of antennas
NL224219A (de) * 1957-01-26
NL224231A (de) * 1957-02-15
US3013266A (en) * 1957-04-18 1961-12-12 Westinghouse Electric Corp Beam steering apparatus employing ferrites
BE565922A (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
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
NL265707A (de) * 1960-06-09
DE1163927B (de) * 1961-02-13 1964-02-27 Siemens Ag Nichtreziproke gyromagnetische Anordnung fuer Einrichtungen der Hoechstfrequenztechnik
US3221276A (en) * 1961-04-27 1965-11-30 Gen Electric Microwave variable reactance device operating about a resonant condition
DE1259422B (de) * 1963-03-14 1968-01-25 Philips Patentverwaltung Reziproker Phasenschieber zur UEbertragung grosser Leistungen
ES2889581T3 (es) 2013-06-25 2022-01-12 Bae Systems Plc Dispositivo de línea de transmisión no lineal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE977200C (de) * 1953-02-01 1965-06-10 Siemens Ag Gyratoreinrichtung
DE1055624B (de) * 1958-04-24 1959-04-23 Dr Rer Nat Hans Severin Magnetisch veraenderbarer ? fuer koaxiale Leitungen

Also Published As

Publication number Publication date
NL138838B (nl)
GB674874A (en) 1952-07-02
BE487331A (de)
DE806150C (de) 1951-06-11
FR980648A (fr) 1951-05-16

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