GB708132A - Improvements in or relating to devices having a magnetic circuit comprising highly-permeable material - Google Patents

Improvements in or relating to devices having a magnetic circuit comprising highly-permeable material

Info

Publication number
GB708132A
GB708132A GB2013751A GB2013751A GB708132A GB 708132 A GB708132 A GB 708132A GB 2013751 A GB2013751 A GB 2013751A GB 2013751 A GB2013751 A GB 2013751A GB 708132 A GB708132 A GB 708132A
Authority
GB
United Kingdom
Prior art keywords
coercivity
group xxxv
oersteds
saturation
sheets
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
GB2013751A
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 GB708132A publication Critical patent/GB708132A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F9/00—Magnetic amplifiers
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/02—Sealing crystals or glasses
    • G04B39/025—Sealing crystals or glasses without special sealing parts
    • 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
    • H01F1/0302—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity characterised by unspecified or heterogeneous hardness or specially adapted for magnetic hardness transitions
    • H01F1/0311—Compounds
    • H01F1/0313—Oxidic compounds
    • H01F1/0315—Ferrites
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
    • H01F29/146—Constructional details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/02—Adaptations of transformers or inductances for specific applications or functions for non-linear operation
    • H01F38/04—Adaptations of transformers or inductances for specific applications or functions for non-linear operation for frequency changing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/08—Amplitude modulation by means of variable impedance element
    • H03C1/10—Amplitude modulation by means of variable impedance element the element being a current-dependent inductor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H11/00—Magnetic induction accelerators, e.g. betatrons
    • H05H11/02—Air-cored betatrons
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
    • H05H7/04—Magnet systems, e.g. undulators, wigglers; Energisation thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Soft Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Coils Or Transformers For Communication (AREA)
GB2013751A 1951-04-23 1951-08-27 Improvements in or relating to devices having a magnetic circuit comprising highly-permeable material Expired GB708132A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL160734 1951-04-23

Publications (1)

Publication Number Publication Date
GB708132A true GB708132A (en) 1954-04-28

Family

ID=19750521

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2013751A Expired GB708132A (en) 1951-04-23 1951-08-27 Improvements in or relating to devices having a magnetic circuit comprising highly-permeable material

Country Status (6)

Country Link
BE (1) BE505464A (xx)
CH (1) CH311959A (xx)
DE (1) DE971616C (xx)
FR (1) FR1048081A (xx)
GB (1) GB708132A (xx)
NL (1) NL76967C (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1059197B (de) * 1955-06-14 1959-06-11 Licentia Gmbh Schreibkopf fuer magnetische Aufzeichnungen nach dem Grenzlinien-verschiebungsverfahren
FR2476218A1 (fr) * 1980-02-20 1981-08-21 Ducellier & Cie Bobine d'allumage pour moteurs a combustion interne
EP0034955B1 (fr) * 1980-02-20 1984-10-24 DUCELLIER & Cie Bobine d'allumage pour moteurs à combustion interne
FR2481753A2 (fr) * 1980-04-30 1981-11-06 Ducellier & Cie Bobine d'allumage pour moteurs a combustion interne
FR2531751A1 (fr) * 1982-08-11 1984-02-17 Ducellier & Cie Bobine d'allumage pour moteur a combustion interne
EP0287182A1 (en) * 1987-04-13 1988-10-19 Adolf Herbert Astor Zielinski Method and apparatus for converting energy from the surroundings into electric energy
DE3901792C2 (de) * 1989-01-21 2002-06-20 Lucent Technologies Inc Ringkern aus Ferrit- oder Eisenpulvermaterial
JP3922251B2 (ja) * 2003-12-17 2007-05-30 三菱電機株式会社 点火コイル

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR802528A (fr) * 1935-03-04 1936-09-07 Philips Nv Procédé de fabrication d'alliages pour aimants permanents, contenant du nickel, du titane, de l'aluminium et éventuellement du cobalt
CH261748A (de) * 1944-09-28 1949-05-31 Siemens Elektricitaetserzeugni Durch ein Feld beeinflusstes Widerstandsgebilde.

Also Published As

Publication number Publication date
DE971616C (de) 1959-02-26
FR1048081A (fr) 1953-12-18
BE505464A (xx)
CH311959A (de) 1955-12-15
NL76967C (xx)

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