GB693596A - Improvements in or relating to electromagnetic devices for amplitude-modulation of a - Google Patents

Improvements in or relating to electromagnetic devices for amplitude-modulation of a

Info

Publication number
GB693596A
GB693596A GB8992/51A GB899251A GB693596A GB 693596 A GB693596 A GB 693596A GB 8992/51 A GB8992/51 A GB 8992/51A GB 899251 A GB899251 A GB 899251A GB 693596 A GB693596 A GB 693596A
Authority
GB
United Kingdom
Prior art keywords
frequency
field
rod
air
april
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
Application number
GB8992/51A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB693596A publication Critical patent/GB693596A/en
Expired legal-status Critical Current

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)
GB8992/51A 1950-04-20 1951-04-17 Improvements in or relating to electromagnetic devices for amplitude-modulation of a Expired GB693596A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL293317X 1950-04-20

Publications (1)

Publication Number Publication Date
GB693596A true GB693596A (en) 1953-07-01

Family

ID=19782858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8992/51A Expired GB693596A (en) 1950-04-20 1951-04-17 Improvements in or relating to electromagnetic devices for amplitude-modulation of a

Country Status (7)

Country Link
US (1) US2645758A (US07816562-20101019-C00012.png)
BE (1) BE502649A (US07816562-20101019-C00012.png)
CH (1) CH293317A (US07816562-20101019-C00012.png)
DE (1) DE855276C (US07816562-20101019-C00012.png)
FR (1) FR1041733A (US07816562-20101019-C00012.png)
GB (1) GB693596A (US07816562-20101019-C00012.png)
NL (2) NL153072B (US07816562-20101019-C00012.png)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
NL153072B (nl)
DE855276C (de) 1952-11-10
FR1041733A (fr) 1953-10-26
NL87176C (US07816562-20101019-C00012.png)
CH293317A (de) 1953-09-15
BE502649A (US07816562-20101019-C00012.png)
US2645758A (en) 1953-07-14

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