FR1041523A - Dispositif comportant un circuit ferromagnétique à entrefer - Google Patents

Dispositif comportant un circuit ferromagnétique à entrefer

Info

Publication number
FR1041523A
FR1041523A FR1041523DA FR1041523A FR 1041523 A FR1041523 A FR 1041523A FR 1041523D A FR1041523D A FR 1041523DA FR 1041523 A FR1041523 A FR 1041523A
Authority
FR
France
Prior art keywords
air gap
gap circuit
ferromagnetic
ferromagnetic air
circuit
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1041523A publication Critical patent/FR1041523A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H01J29/66—Magnetic lenses using electromagnetic means only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Electromagnets (AREA)
FR1041523D 1951-04-23 1951-09-04 Dispositif comportant un circuit ferromagnétique à entrefer Expired FR1041523A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL708133X 1951-04-23

Publications (1)

Publication Number Publication Date
FR1041523A true FR1041523A (fr) 1953-10-23

Family

ID=19812124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1041523D Expired FR1041523A (fr) 1951-04-23 1951-09-04 Dispositif comportant un circuit ferromagnétique à entrefer

Country Status (4)

Country Link
DE (1) DE976970C (OSRAM)
FR (1) FR1041523A (OSRAM)
GB (1) GB708133A (OSRAM)
NL (1) NL81703C (OSRAM)

Cited By (2)

* 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
DE1064600B (de) * 1954-07-19 1959-09-03 Siemens Ag Magnetsystem fuer Schuetze

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL282929A (OSRAM) * 1961-09-06
JP2002083724A (ja) * 2000-09-08 2002-03-22 Tokin Corp 磁芯及び磁気素子
DE102004018791A1 (de) * 2004-04-15 2005-11-03 Tyco Electronics Amp Gmbh Relaisantrieb, Relais und Bausatz für monostabiles und bistabiles Relais
DE102007019684A1 (de) 2007-04-24 2008-11-06 Tyco Electronics Austria Gmbh Magnetsystem für eine elektrische Schaltvorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB406086A (en) * 1932-11-03 1934-02-22 Darwins Ltd Improvements in or relating to permanent magnets
GB463783A (en) * 1935-11-19 1937-04-06 British Thomson Houston Co Ltd Improvements relating to dynamo-electric machines and rotor elements therefor
DE667646C (de) * 1935-11-22 1938-11-17 Dynamit Act Ges Vormals Alfred Laeufer bzw. Staender fuer elektrische Maschinen
DE846863C (de) * 1942-08-10 1952-08-18 Siemens Ag Relais
CH261748A (de) * 1944-09-28 1949-05-31 Siemens Elektricitaetserzeugni Durch ein Feld beeinflusstes Widerstandsgebilde.
DE862033C (de) * 1950-09-29 1953-01-08 Max Baermann Nach dem Drehmagnetprinzip arbeitendes Anzeigegeraet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1064600B (de) * 1954-07-19 1959-09-03 Siemens Ag Magnetsystem fuer Schuetze
DE1059197B (de) * 1955-06-14 1959-06-11 Licentia Gmbh Schreibkopf fuer magnetische Aufzeichnungen nach dem Grenzlinien-verschiebungsverfahren

Also Published As

Publication number Publication date
NL81703C (OSRAM)
GB708133A (en) 1954-04-28
DE976970C (de) 1964-10-01

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