FR1148111A - Dispositifs électriques de transmission utilisant des ferrites gyromagnétiques - Google Patents

Dispositifs électriques de transmission utilisant des ferrites gyromagnétiques

Info

Publication number
FR1148111A
FR1148111A FR1148111DA FR1148111A FR 1148111 A FR1148111 A FR 1148111A FR 1148111D A FR1148111D A FR 1148111DA FR 1148111 A FR1148111 A FR 1148111A
Authority
FR
France
Prior art keywords
transmission devices
electrical transmission
gyromagnetic
ferrites
gyromagnetic ferrites
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
Other languages
English (en)
French (fr)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1148111A publication Critical patent/FR1148111A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
    • C04B35/2625—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing magnesium
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/32—Non-reciprocal transmission devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Ceramics (AREA)
  • Soft Magnetic Materials (AREA)
FR1148111D 1955-04-11 1956-03-22 Dispositifs électriques de transmission utilisant des ferrites gyromagnétiques Expired FR1148111A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US500451A US2994045A (en) 1955-04-11 1955-04-11 Electrical transmission devices utilizing gyromagnetic ferrites

Publications (1)

Publication Number Publication Date
FR1148111A true FR1148111A (fr) 1957-12-04

Family

ID=23989471

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1148111D Expired FR1148111A (fr) 1955-04-11 1956-03-22 Dispositifs électriques de transmission utilisant des ferrites gyromagnétiques

Country Status (4)

Country Link
US (1) US2994045A (US06256357-20010703-M00001.png)
BE (1) BE546412A (US06256357-20010703-M00001.png)
FR (1) FR1148111A (US06256357-20010703-M00001.png)
GB (1) GB797566A (US06256357-20010703-M00001.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179850B (de) * 1958-12-29 1964-10-15 Western Electric Co Verfahren zur Herstellung von Ferrit-Zusammensetzungen
DE1696446B1 (de) * 1964-01-20 1969-10-23 Siemens Ag Ferromagnetischer Ferritkoerper mit einem bei hoher Erregung negativen Temperaturkoeffizienten der Wechselfeldverluste

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL123803C (US06256357-20010703-M00001.png) * 1961-07-28
US3403357A (en) * 1966-04-14 1968-09-24 Hughes Aircraft Co Switching apparatus for selectively coupling a predetermined number of microwave devices between an input and an output port

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1976230A (en) * 1930-12-25 1934-10-09 Mitsubishi Electric Corp Permanent magnet and method of manufacturing same
US2576456A (en) * 1946-12-31 1951-11-27 Rca Corp Materials of high magnetic permeability
US2644930A (en) * 1949-03-24 1953-07-07 Gen Precision Lab Inc Microwave polarization rotating device and coupling network
NL81425C (US06256357-20010703-M00001.png) * 1950-05-10
DE958996C (de) * 1950-05-27 1957-02-28 Steatite Res Corp Verfahren zur Herstellung ferromagnetischer, gegebenenfalls geformter Massen
GB717269A (en) * 1951-04-09 1954-10-27 Azfa Ag Fuer Photofabrikation Magnetizable metal oxides
US2736708A (en) * 1951-06-08 1956-02-28 Henry L Crowley & Company Inc Magnetic compositions
US2719274A (en) * 1951-07-09 1955-09-27 Gen Precision Lab Inc Microwave switches
GB721630A (en) * 1951-08-29 1955-01-12 Anorgana Gmbh Method for the production of ª†-fe o of improved magnetic properties
FR1080515A (fr) * 1951-12-22 1954-12-09 Philips Nv Aimant permanent anisotrope
US2723239A (en) * 1952-09-29 1955-11-08 Rca Corp Ferrospinel compositions
FR1086346A (fr) * 1953-07-09 1955-02-11 Perfectionnements aux aimants permanents
US2860105A (en) * 1953-12-21 1958-11-11 Philips Corp Method of manufacturing ferromagnetic cores

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179850B (de) * 1958-12-29 1964-10-15 Western Electric Co Verfahren zur Herstellung von Ferrit-Zusammensetzungen
DE1696446B1 (de) * 1964-01-20 1969-10-23 Siemens Ag Ferromagnetischer Ferritkoerper mit einem bei hoher Erregung negativen Temperaturkoeffizienten der Wechselfeldverluste

Also Published As

Publication number Publication date
BE546412A (US06256357-20010703-M00001.png)
GB797566A (en) 1958-07-02
US2994045A (en) 1961-07-25

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